/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 15:51:06,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 15:51:06,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 15:51:06,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-08 15:51:06,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 15:51:06,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 15:51:06,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 15:51:06,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-08 15:51:06,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 15:51:06,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 15:51:06,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 15:51:06,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 15:51:06,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 15:51:06,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 15:51:06,402 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 15:51:06,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 15:51:06,403 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 15:51:06,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-08 15:51:06,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 15:51:06,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 15:51:06,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 15:51:06,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 15:51:06,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 15:51:06,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 15:51:06,405 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-08 15:51:06,405 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 15:51:06,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 15:51:06,406 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 15:51:06,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 15:51:06,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 15:51:06,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 15:51:06,407 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 15:51:06,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 15:51:06,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 15:51:06,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 15:51:06,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 15:51:06,408 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 15:51:06,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 15:51:06,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 15:51:06,409 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-08 15:51:06,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 15:51:06,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 15:51:06,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 15:51:06,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 15:51:06,874 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 15:51:06,875 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 15:51:06,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2021-10-08 15:51:06,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ca81e094/a40d09e78ddc4832be7cce215e34e281/FLAG3f6875411 [2021-10-08 15:51:07,731 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 15:51:07,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c [2021-10-08 15:51:07,745 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ca81e094/a40d09e78ddc4832be7cce215e34e281/FLAG3f6875411 [2021-10-08 15:51:08,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ca81e094/a40d09e78ddc4832be7cce215e34e281 [2021-10-08 15:51:08,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 15:51:08,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 15:51:08,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 15:51:08,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 15:51:08,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 15:51:08,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba20a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08, skipping insertion in model container [2021-10-08 15:51:08,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 15:51:08,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 15:51:08,452 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c[2746,2759] [2021-10-08 15:51:08,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 15:51:08,472 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 15:51:08,501 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-misc-1.wvr.c[2746,2759] [2021-10-08 15:51:08,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 15:51:08,526 INFO L208 MainTranslator]: Completed translation [2021-10-08 15:51:08,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08 WrapperNode [2021-10-08 15:51:08,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 15:51:08,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 15:51:08,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 15:51:08,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 15:51:08,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 15:51:08,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 15:51:08,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 15:51:08,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 15:51:08,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 15:51:08,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 15:51:08,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 15:51:08,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 15:51:08,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (1/1) ... [2021-10-08 15:51:08,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 15:51:08,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:51:08,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 15:51:08,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 15:51:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 15:51:08,788 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 15:51:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 15:51:08,789 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 15:51:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 15:51:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 15:51:08,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 15:51:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-08 15:51:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 15:51:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 15:51:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 15:51:08,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 15:51:08,793 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 15:51:09,809 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 15:51:09,811 INFO L299 CfgBuilder]: Removed 65 assume(true) statements. [2021-10-08 15:51:09,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:51:09 BoogieIcfgContainer [2021-10-08 15:51:09,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 15:51:09,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 15:51:09,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 15:51:09,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 15:51:09,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 03:51:08" (1/3) ... [2021-10-08 15:51:09,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654f8804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:51:09, skipping insertion in model container [2021-10-08 15:51:09,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:51:08" (2/3) ... [2021-10-08 15:51:09,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@654f8804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:51:09, skipping insertion in model container [2021-10-08 15:51:09,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:51:09" (3/3) ... [2021-10-08 15:51:09,831 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2021-10-08 15:51:09,839 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 15:51:09,839 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 15:51:09,840 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 54 error locations. [2021-10-08 15:51:09,840 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 15:51:09,944 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,944 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,945 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,947 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,947 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,947 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,948 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,948 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,948 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,948 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,948 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,949 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,949 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,949 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,949 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,949 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,950 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,950 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,950 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,950 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,950 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,951 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,951 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,952 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,952 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,952 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,952 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,952 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,953 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,954 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,954 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,954 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,955 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,957 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,957 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,959 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,959 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,960 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,960 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,960 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,960 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,960 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,962 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,962 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,964 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,964 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,964 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,965 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,966 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,966 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,966 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,966 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,966 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,967 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,967 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,967 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,968 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,968 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,969 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,969 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,969 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,969 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,969 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,970 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,970 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,970 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,971 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,971 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,972 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,972 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,974 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,974 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,975 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,977 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,981 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,986 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,987 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,987 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,989 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,991 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,991 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,991 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,991 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,991 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,992 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,992 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,993 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,993 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,993 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,993 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,993 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,993 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,996 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,996 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,997 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,998 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,998 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,998 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,998 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,998 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,999 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,999 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:09,999 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,000 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,000 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,000 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,000 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,000 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,001 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,001 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,002 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,002 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,003 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,006 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,006 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,007 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,007 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,007 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,007 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,007 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,008 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,008 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,008 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,008 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,009 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,009 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,009 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,010 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,010 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,010 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,011 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,011 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,012 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,012 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,013 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,013 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,013 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,013 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,014 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,014 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,014 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,014 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,015 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,016 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,016 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,016 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,016 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,016 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,017 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,017 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,017 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,017 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,017 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,018 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,018 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,018 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,018 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,018 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,018 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,019 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,019 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,019 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,019 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,019 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,021 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,025 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,025 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,028 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,028 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,028 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,028 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,028 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,029 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,029 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,029 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,029 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,029 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,029 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,030 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,031 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,032 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,039 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,040 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,040 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,040 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,040 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,041 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,042 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,043 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,051 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,051 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,051 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,051 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,052 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,052 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,052 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,053 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,053 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,053 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,053 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,053 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,053 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,053 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,054 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,054 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,054 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,054 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,054 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,054 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,055 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,055 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,055 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,055 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,055 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,055 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,055 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,056 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,056 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,056 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,056 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,056 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,056 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,057 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,058 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,059 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,059 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,059 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,059 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,059 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,059 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,060 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,060 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,062 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,062 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,062 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,062 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,062 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,063 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,063 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,063 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,063 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,063 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,063 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,064 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,064 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,064 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,064 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,065 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,073 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,073 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,074 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,074 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,074 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,075 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,075 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,075 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,075 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,075 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,075 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,076 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,076 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,076 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,076 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,076 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,076 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,077 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,077 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,077 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,077 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,077 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,077 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,078 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,078 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,078 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,078 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,078 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,078 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,079 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,079 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,079 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,079 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,079 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,079 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,080 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,080 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,080 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,080 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,080 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,080 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,081 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,082 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,082 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,082 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,082 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,082 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,082 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,082 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,083 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,083 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,083 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,083 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,083 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,083 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,084 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,085 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,085 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,085 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,085 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,085 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,085 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,085 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,086 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,086 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,086 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,086 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,086 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,086 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,086 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,087 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,087 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,087 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,087 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,087 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,087 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,088 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,088 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,088 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,088 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,088 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,088 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,088 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,089 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,089 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,090 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,090 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,090 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,090 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,091 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,091 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,092 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,093 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,093 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,093 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,093 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,093 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,093 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,094 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,094 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,094 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,094 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,094 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,094 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,095 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,096 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,096 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,097 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,097 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,098 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,099 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,100 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,101 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,102 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,102 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,102 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,102 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,102 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,102 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,103 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,104 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,105 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,109 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,110 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,110 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,110 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,110 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,111 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,111 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,111 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,111 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,111 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,111 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,112 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,112 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,112 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,112 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,112 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,112 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,112 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,113 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,113 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,113 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,114 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,114 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,114 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,114 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,114 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,115 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,115 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,115 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,115 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,115 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,115 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,115 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,115 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,116 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,116 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,116 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,116 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,116 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,116 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,117 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,117 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,117 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,117 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,117 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,117 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,118 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,118 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,118 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,118 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,118 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,118 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,118 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,119 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,119 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,119 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,119 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,119 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,119 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,120 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,120 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,120 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,120 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,120 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,120 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,120 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,121 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,121 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,121 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,121 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,121 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,121 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,121 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,122 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,122 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,122 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,122 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,122 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,122 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,123 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,123 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,123 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,123 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,123 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,123 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,123 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,123 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,124 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,124 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,124 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,124 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,124 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,124 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,124 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,125 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,125 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,125 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,125 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,125 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,125 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,126 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,126 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,126 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,126 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,126 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,126 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,127 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,127 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,128 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,129 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,129 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,129 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,129 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,129 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,130 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,130 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,131 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,131 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,131 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,132 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,132 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,132 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,133 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,133 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,134 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,135 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,136 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,136 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,136 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,136 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,136 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,136 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,137 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,137 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,137 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,137 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,137 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,138 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,139 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,139 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,139 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,139 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,140 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,140 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,140 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,140 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,140 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,141 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,141 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,141 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,142 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,142 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,142 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,142 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,142 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,142 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,143 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,143 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,143 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,143 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,143 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,144 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,146 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,147 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,147 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,147 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,148 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,148 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,148 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,149 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,149 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,149 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,150 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,150 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,150 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,150 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,150 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,151 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,151 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,151 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,151 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,151 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,151 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,152 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,152 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,152 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,152 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,152 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,153 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,154 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,154 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,154 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,154 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,154 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,154 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,155 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,155 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,155 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,155 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,155 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,155 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,156 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,156 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,156 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,156 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,156 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,157 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,157 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,157 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,157 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,157 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,157 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,158 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,158 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,158 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,158 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,158 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,158 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,159 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,159 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,159 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,159 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,159 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,159 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,160 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,160 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,160 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,160 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,160 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,161 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,161 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,161 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,161 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,161 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,161 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,162 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,162 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,162 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,162 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,162 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,162 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,163 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,163 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,163 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,163 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,163 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,163 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,164 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,164 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,164 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,165 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,165 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,165 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,165 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,165 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,165 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,166 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,166 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,166 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,166 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,166 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,166 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,167 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,167 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,167 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,167 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,167 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,167 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,168 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,168 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,168 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,168 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,169 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,169 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,169 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,169 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,169 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,169 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,170 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,171 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,172 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,172 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,172 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,172 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,172 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,173 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,173 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,173 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,173 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,173 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,173 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,174 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,174 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,174 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,174 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,174 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,175 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,176 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,176 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,176 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,176 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,176 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,176 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,177 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,177 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,177 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,177 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,178 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,178 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,178 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,179 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,179 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,180 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,180 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,180 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,180 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,180 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,181 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,181 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,182 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,182 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,182 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,182 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,183 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,184 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,184 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,184 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,184 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,184 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,184 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,185 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,185 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,185 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,185 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,185 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,186 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,186 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,186 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,186 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,186 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,186 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,187 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,187 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,187 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,187 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,187 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,188 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,188 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,188 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,188 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,188 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,188 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,189 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,189 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,189 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,189 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,189 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,190 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,190 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,190 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,190 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,190 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,190 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,191 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,191 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,191 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,191 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,191 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,192 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,192 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,192 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,192 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,192 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,192 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,193 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,193 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,193 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,193 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,193 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,193 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,194 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,194 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,194 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,194 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,195 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,195 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,195 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,195 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,195 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,196 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,196 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,196 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,196 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,196 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,196 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,197 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,197 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,197 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,197 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,198 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,198 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,198 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,198 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,198 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,198 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,199 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,199 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,199 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,199 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,199 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,200 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,200 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,200 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,200 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,200 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,200 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,201 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,201 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,201 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,201 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,201 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,201 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,202 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,202 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,202 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,202 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,202 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,203 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,203 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,203 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,204 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,205 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,206 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,207 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,207 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,207 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,207 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,208 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,208 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,208 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,208 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,208 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,208 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,209 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,209 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,209 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,209 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,209 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,210 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,210 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,210 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,210 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,210 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,211 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,211 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,211 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,216 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,217 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,217 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,217 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,217 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,217 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,218 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,218 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,218 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,218 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,218 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,219 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,219 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,219 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,219 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,219 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ret10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,227 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,227 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~a| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#in~b| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ret12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_plus_#t~short39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,230 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,231 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~b not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,231 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_plus_~a not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:51:10,243 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-08 15:51:10,318 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-08 15:51:10,330 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-08 15:51:10,330 INFO L340 AbstractCegarLoop]: Starting to check reachability of 108 error locations. [2021-10-08 15:51:10,369 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-08 15:51:10,386 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 484 places, 521 transitions, 1058 flow [2021-10-08 15:51:10,389 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 484 places, 521 transitions, 1058 flow [2021-10-08 15:51:10,392 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 484 places, 521 transitions, 1058 flow [2021-10-08 15:51:10,715 INFO L129 PetriNetUnfolder]: 44/519 cut-off events. [2021-10-08 15:51:10,716 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-08 15:51:10,736 INFO L84 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 519 events. 44/519 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1712 event pairs, 0 based on Foata normal form. 0/421 useless extension candidates. Maximal degree in co-relation 407. Up to 2 conditions per place. [2021-10-08 15:51:10,798 INFO L116 LiptonReduction]: Number of co-enabled transitions 84348 [2021-10-08 15:52:09,916 INFO L131 LiptonReduction]: Checked pairs total: 84898 [2021-10-08 15:52:09,916 INFO L133 LiptonReduction]: Total number of compositions: 744 [2021-10-08 15:52:09,927 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 78 places, 75 transitions, 166 flow [2021-10-08 15:52:10,014 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1855 states, 1125 states have (on average 4.116444444444444) internal successors, (4631), 1854 states have internal predecessors, (4631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand has 1855 states, 1125 states have (on average 4.116444444444444) internal successors, (4631), 1854 states have internal predecessors, (4631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 15:52:10,029 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:10,030 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 15:52:10,030 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:10,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:10,037 INFO L82 PathProgramCache]: Analyzing trace with hash 76187, now seen corresponding path program 1 times [2021-10-08 15:52:10,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:10,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224649242] [2021-10-08 15:52:10,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:10,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:10,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:10,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224649242] [2021-10-08 15:52:10,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224649242] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:10,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:10,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:10,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379773347] [2021-10-08 15:52:10,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:10,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:10,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:10,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:10,383 INFO L87 Difference]: Start difference. First operand has 1855 states, 1125 states have (on average 4.116444444444444) internal successors, (4631), 1854 states have internal predecessors, (4631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:10,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:10,505 INFO L93 Difference]: Finished difference Result 1467 states and 3651 transitions. [2021-10-08 15:52:10,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:10,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-10-08 15:52:10,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:10,550 INFO L225 Difference]: With dead ends: 1467 [2021-10-08 15:52:10,550 INFO L226 Difference]: Without dead ends: 1467 [2021-10-08 15:52:10,552 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:10,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2021-10-08 15:52:10,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 736. [2021-10-08 15:52:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 483 states have (on average 3.7867494824016563) internal successors, (1829), 735 states have internal predecessors, (1829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:10,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1829 transitions. [2021-10-08 15:52:10,670 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1829 transitions. Word has length 2 [2021-10-08 15:52:10,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:10,671 INFO L470 AbstractCegarLoop]: Abstraction has 736 states and 1829 transitions. [2021-10-08 15:52:10,671 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1829 transitions. [2021-10-08 15:52:10,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 15:52:10,672 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:10,672 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 15:52:10,672 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-08 15:52:10,673 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:10,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:10,673 INFO L82 PathProgramCache]: Analyzing trace with hash 2366436, now seen corresponding path program 1 times [2021-10-08 15:52:10,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:10,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170207128] [2021-10-08 15:52:10,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:10,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:10,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:10,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:10,773 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170207128] [2021-10-08 15:52:10,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170207128] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:10,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454159615] [2021-10-08 15:52:10,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:10,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:10,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:10,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:10,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-08 15:52:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:10,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 15:52:10,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:10,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454159615] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:10,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:10,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-08 15:52:10,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700651019] [2021-10-08 15:52:10,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 15:52:10,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:10,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 15:52:10,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:10,967 INFO L87 Difference]: Start difference. First operand 736 states and 1829 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:11,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:11,074 INFO L93 Difference]: Finished difference Result 2199 states and 5476 transitions. [2021-10-08 15:52:11,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:11,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-08 15:52:11,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:11,115 INFO L225 Difference]: With dead ends: 2199 [2021-10-08 15:52:11,116 INFO L226 Difference]: Without dead ends: 2199 [2021-10-08 15:52:11,117 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.1ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:11,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2199 states. [2021-10-08 15:52:11,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2199 to 737. [2021-10-08 15:52:11,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 484 states have (on average 3.7851239669421486) internal successors, (1832), 736 states have internal predecessors, (1832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:11,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1832 transitions. [2021-10-08 15:52:11,177 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1832 transitions. Word has length 3 [2021-10-08 15:52:11,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:11,177 INFO L470 AbstractCegarLoop]: Abstraction has 737 states and 1832 transitions. [2021-10-08 15:52:11,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:11,177 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1832 transitions. [2021-10-08 15:52:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 15:52:11,178 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:11,178 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 15:52:11,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:11,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:11,393 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:11,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:11,394 INFO L82 PathProgramCache]: Analyzing trace with hash 2366518, now seen corresponding path program 1 times [2021-10-08 15:52:11,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:11,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643911913] [2021-10-08 15:52:11,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:11,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:11,468 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:11,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643911913] [2021-10-08 15:52:11,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643911913] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:11,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570817048] [2021-10-08 15:52:11,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:11,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:11,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:11,473 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:11,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-08 15:52:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:11,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 15:52:11,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:11,617 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570817048] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:11,617 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:52:11,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-10-08 15:52:11,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787108153] [2021-10-08 15:52:11,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:52:11,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:11,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:52:11,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:11,620 INFO L87 Difference]: Start difference. First operand 737 states and 1832 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:11,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:11,684 INFO L93 Difference]: Finished difference Result 1467 states and 3652 transitions. [2021-10-08 15:52:11,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:52:11,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-10-08 15:52:11,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:11,699 INFO L225 Difference]: With dead ends: 1467 [2021-10-08 15:52:11,699 INFO L226 Difference]: Without dead ends: 1467 [2021-10-08 15:52:11,700 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:11,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2021-10-08 15:52:11,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 736. [2021-10-08 15:52:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 484 states have (on average 3.78099173553719) internal successors, (1830), 735 states have internal predecessors, (1830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:11,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 1830 transitions. [2021-10-08 15:52:11,778 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 1830 transitions. Word has length 3 [2021-10-08 15:52:11,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:11,778 INFO L470 AbstractCegarLoop]: Abstraction has 736 states and 1830 transitions. [2021-10-08 15:52:11,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:11,779 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1830 transitions. [2021-10-08 15:52:11,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:52:11,780 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:11,780 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-08 15:52:11,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:11,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:11,996 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:11,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:11,997 INFO L82 PathProgramCache]: Analyzing trace with hash 73364155, now seen corresponding path program 2 times [2021-10-08 15:52:11,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:11,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217947537] [2021-10-08 15:52:11,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:11,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:12,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:12,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:12,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217947537] [2021-10-08 15:52:12,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217947537] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:12,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384165907] [2021-10-08 15:52:12,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:52:12,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:12,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:12,103 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:12,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-08 15:52:12,236 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-08 15:52:12,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:52:12,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-08 15:52:12,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:52:12,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384165907] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:12,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:52:12,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-08 15:52:12,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588046767] [2021-10-08 15:52:12,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:12,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:12,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:12,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:52:12,272 INFO L87 Difference]: Start difference. First operand 736 states and 1830 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:12,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:12,287 INFO L93 Difference]: Finished difference Result 735 states and 1829 transitions. [2021-10-08 15:52:12,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:12,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-08 15:52:12,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:12,295 INFO L225 Difference]: With dead ends: 735 [2021-10-08 15:52:12,295 INFO L226 Difference]: Without dead ends: 735 [2021-10-08 15:52:12,295 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:52:12,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2021-10-08 15:52:12,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 733. [2021-10-08 15:52:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 482 states have (on average 3.7863070539419086) internal successors, (1825), 732 states have internal predecessors, (1825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1825 transitions. [2021-10-08 15:52:12,331 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1825 transitions. Word has length 4 [2021-10-08 15:52:12,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:12,331 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 1825 transitions. [2021-10-08 15:52:12,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1825 transitions. [2021-10-08 15:52:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:52:12,332 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:12,333 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 15:52:12,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:12,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:12,548 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:12,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:12,548 INFO L82 PathProgramCache]: Analyzing trace with hash 73410425, now seen corresponding path program 1 times [2021-10-08 15:52:12,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:12,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801153192] [2021-10-08 15:52:12,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:12,549 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:12,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:12,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801153192] [2021-10-08 15:52:12,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801153192] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:12,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:12,645 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:12,645 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130706400] [2021-10-08 15:52:12,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:12,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:12,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:12,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:12,647 INFO L87 Difference]: Start difference. First operand 733 states and 1825 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:12,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:12,789 INFO L93 Difference]: Finished difference Result 1175 states and 3127 transitions. [2021-10-08 15:52:12,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:12,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-08 15:52:12,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:12,803 INFO L225 Difference]: With dead ends: 1175 [2021-10-08 15:52:12,803 INFO L226 Difference]: Without dead ends: 1175 [2021-10-08 15:52:12,803 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:12,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-10-08 15:52:12,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 829. [2021-10-08 15:52:12,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 578 states have (on average 4.449826989619377) internal successors, (2572), 828 states have internal predecessors, (2572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:12,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 2572 transitions. [2021-10-08 15:52:12,845 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 2572 transitions. Word has length 4 [2021-10-08 15:52:12,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:12,846 INFO L470 AbstractCegarLoop]: Abstraction has 829 states and 2572 transitions. [2021-10-08 15:52:12,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2572 transitions. [2021-10-08 15:52:12,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:52:12,847 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:12,849 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 15:52:12,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-08 15:52:12,850 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:12,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:12,850 INFO L82 PathProgramCache]: Analyzing trace with hash 73410556, now seen corresponding path program 1 times [2021-10-08 15:52:12,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:12,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830126905] [2021-10-08 15:52:12,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:12,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:12,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:12,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:12,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830126905] [2021-10-08 15:52:12,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830126905] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:12,943 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:12,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:12,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211603430] [2021-10-08 15:52:12,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:12,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:12,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:12,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:12,946 INFO L87 Difference]: Start difference. First operand 829 states and 2572 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:13,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:13,053 INFO L93 Difference]: Finished difference Result 1175 states and 2999 transitions. [2021-10-08 15:52:13,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:13,054 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-08 15:52:13,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:13,064 INFO L225 Difference]: With dead ends: 1175 [2021-10-08 15:52:13,064 INFO L226 Difference]: Without dead ends: 1175 [2021-10-08 15:52:13,066 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:13,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2021-10-08 15:52:13,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 829. [2021-10-08 15:52:13,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 578 states have (on average 4.228373702422146) internal successors, (2444), 828 states have internal predecessors, (2444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 2444 transitions. [2021-10-08 15:52:13,103 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 2444 transitions. Word has length 4 [2021-10-08 15:52:13,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:13,104 INFO L470 AbstractCegarLoop]: Abstraction has 829 states and 2444 transitions. [2021-10-08 15:52:13,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2444 transitions. [2021-10-08 15:52:13,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:52:13,104 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:13,105 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 15:52:13,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-08 15:52:13,105 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:13,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:13,105 INFO L82 PathProgramCache]: Analyzing trace with hash 73410557, now seen corresponding path program 1 times [2021-10-08 15:52:13,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:13,106 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044213811] [2021-10-08 15:52:13,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:13,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:13,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:13,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:13,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044213811] [2021-10-08 15:52:13,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044213811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:13,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:13,240 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:52:13,240 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51399378] [2021-10-08 15:52:13,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:52:13,241 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:13,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:52:13,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:52:13,248 INFO L87 Difference]: Start difference. First operand 829 states and 2444 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:13,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:13,693 INFO L93 Difference]: Finished difference Result 1283 states and 4075 transitions. [2021-10-08 15:52:13,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:13,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-08 15:52:13,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:13,708 INFO L225 Difference]: With dead ends: 1283 [2021-10-08 15:52:13,708 INFO L226 Difference]: Without dead ends: 1283 [2021-10-08 15:52:13,709 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 36.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:13,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2021-10-08 15:52:13,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 863. [2021-10-08 15:52:13,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 612 states have (on average 4.228758169934641) internal successors, (2588), 862 states have internal predecessors, (2588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:13,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 2588 transitions. [2021-10-08 15:52:13,760 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 2588 transitions. Word has length 4 [2021-10-08 15:52:13,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:13,761 INFO L470 AbstractCegarLoop]: Abstraction has 863 states and 2588 transitions. [2021-10-08 15:52:13,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:13,761 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 2588 transitions. [2021-10-08 15:52:13,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:52:13,761 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:13,762 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 15:52:13,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-08 15:52:13,762 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err24ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:13,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:13,763 INFO L82 PathProgramCache]: Analyzing trace with hash 73410573, now seen corresponding path program 1 times [2021-10-08 15:52:13,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:13,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58099820] [2021-10-08 15:52:13,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:13,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:13,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:13,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58099820] [2021-10-08 15:52:13,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58099820] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:13,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:13,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:13,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263350160] [2021-10-08 15:52:13,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:13,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:13,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:13,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:13,826 INFO L87 Difference]: Start difference. First operand 863 states and 2588 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:13,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:13,863 INFO L93 Difference]: Finished difference Result 799 states and 2334 transitions. [2021-10-08 15:52:13,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:13,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-08 15:52:13,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:13,873 INFO L225 Difference]: With dead ends: 799 [2021-10-08 15:52:13,874 INFO L226 Difference]: Without dead ends: 799 [2021-10-08 15:52:13,874 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:13,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2021-10-08 15:52:13,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 799. [2021-10-08 15:52:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 576 states have (on average 4.052083333333333) internal successors, (2334), 798 states have internal predecessors, (2334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:13,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 2334 transitions. [2021-10-08 15:52:13,909 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 2334 transitions. Word has length 4 [2021-10-08 15:52:13,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:13,912 INFO L470 AbstractCegarLoop]: Abstraction has 799 states and 2334 transitions. [2021-10-08 15:52:13,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 2334 transitions. [2021-10-08 15:52:13,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:52:13,913 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:13,914 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-08 15:52:13,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-08 15:52:13,914 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:13,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:13,915 INFO L82 PathProgramCache]: Analyzing trace with hash 73410574, now seen corresponding path program 1 times [2021-10-08 15:52:13,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:13,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298266361] [2021-10-08 15:52:13,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:13,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:13,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:13,954 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:13,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298266361] [2021-10-08 15:52:13,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298266361] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:13,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:13,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:13,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292697166] [2021-10-08 15:52:13,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:13,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:13,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:13,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:13,957 INFO L87 Difference]: Start difference. First operand 799 states and 2334 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:14,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:14,020 INFO L93 Difference]: Finished difference Result 735 states and 2080 transitions. [2021-10-08 15:52:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:14,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-10-08 15:52:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:14,030 INFO L225 Difference]: With dead ends: 735 [2021-10-08 15:52:14,030 INFO L226 Difference]: Without dead ends: 733 [2021-10-08 15:52:14,030 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:14,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2021-10-08 15:52:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2021-10-08 15:52:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 538 states have (on average 3.8605947955390336) internal successors, (2077), 732 states have internal predecessors, (2077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:14,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 2077 transitions. [2021-10-08 15:52:14,061 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 2077 transitions. Word has length 4 [2021-10-08 15:52:14,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:14,061 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 2077 transitions. [2021-10-08 15:52:14,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:14,062 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 2077 transitions. [2021-10-08 15:52:14,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-08 15:52:14,062 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:14,062 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-08 15:52:14,063 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-08 15:52:14,063 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:14,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:14,063 INFO L82 PathProgramCache]: Analyzing trace with hash -2020627450, now seen corresponding path program 1 times [2021-10-08 15:52:14,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:14,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108952063] [2021-10-08 15:52:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:14,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:14,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:14,228 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:14,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108952063] [2021-10-08 15:52:14,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108952063] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:14,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809942261] [2021-10-08 15:52:14,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:14,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:14,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:14,231 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:14,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-08 15:52:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:14,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-08 15:52:14,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:14,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-08 15:52:14,551 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:14,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:52:14,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:14,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809942261] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:14,575 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:14,575 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 6 [2021-10-08 15:52:14,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331052344] [2021-10-08 15:52:14,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 15:52:14,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:14,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 15:52:14,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-10-08 15:52:14,578 INFO L87 Difference]: Start difference. First operand 733 states and 2077 transitions. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:14,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:14,915 INFO L93 Difference]: Finished difference Result 801 states and 2200 transitions. [2021-10-08 15:52:14,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:14,916 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-08 15:52:14,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:14,923 INFO L225 Difference]: With dead ends: 801 [2021-10-08 15:52:14,924 INFO L226 Difference]: Without dead ends: 801 [2021-10-08 15:52:14,924 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 108.4ms TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:52:14,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2021-10-08 15:52:14,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 735. [2021-10-08 15:52:14,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 540 states have (on average 3.861111111111111) internal successors, (2085), 734 states have internal predecessors, (2085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:14,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 2085 transitions. [2021-10-08 15:52:14,955 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 2085 transitions. Word has length 5 [2021-10-08 15:52:14,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:14,955 INFO L470 AbstractCegarLoop]: Abstraction has 735 states and 2085 transitions. [2021-10-08 15:52:14,955 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 2085 transitions. [2021-10-08 15:52:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-08 15:52:14,956 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:14,956 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-08 15:52:14,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:15,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-10-08 15:52:15,170 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:15,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:15,171 INFO L82 PathProgramCache]: Analyzing trace with hash -2020627577, now seen corresponding path program 1 times [2021-10-08 15:52:15,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:15,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200619369] [2021-10-08 15:52:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:15,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:15,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:15,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200619369] [2021-10-08 15:52:15,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200619369] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:15,278 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898685414] [2021-10-08 15:52:15,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:15,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:15,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:15,279 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:15,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-08 15:52:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:15,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-08 15:52:15,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:15,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:52:15,560 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:15,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:52:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:15,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898685414] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:15,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:15,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-10-08 15:52:15,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870233475] [2021-10-08 15:52:15,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-08 15:52:15,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:15,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-08 15:52:15,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-08 15:52:15,584 INFO L87 Difference]: Start difference. First operand 735 states and 2085 transitions. Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:15,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:15,845 INFO L93 Difference]: Finished difference Result 799 states and 2196 transitions. [2021-10-08 15:52:15,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:15,846 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-10-08 15:52:15,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:15,853 INFO L225 Difference]: With dead ends: 799 [2021-10-08 15:52:15,854 INFO L226 Difference]: Without dead ends: 799 [2021-10-08 15:52:15,854 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 61.2ms TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-08 15:52:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2021-10-08 15:52:15,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 735. [2021-10-08 15:52:15,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 540 states have (on average 3.8574074074074076) internal successors, (2083), 734 states have internal predecessors, (2083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 2083 transitions. [2021-10-08 15:52:15,883 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 2083 transitions. Word has length 5 [2021-10-08 15:52:15,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:15,883 INFO L470 AbstractCegarLoop]: Abstraction has 735 states and 2083 transitions. [2021-10-08 15:52:15,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:15,884 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 2083 transitions. [2021-10-08 15:52:15,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:52:15,884 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:15,884 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:52:15,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:16,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:16,098 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:16,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:16,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1785052708, now seen corresponding path program 1 times [2021-10-08 15:52:16,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:16,100 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265823738] [2021-10-08 15:52:16,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:16,100 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:16,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:16,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265823738] [2021-10-08 15:52:16,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265823738] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:16,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225077953] [2021-10-08 15:52:16,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:16,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:16,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:16,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:16,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-08 15:52:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:16,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-08 15:52:16,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:16,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-08 15:52:16,597 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:16,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:52:16,651 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:16,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:52:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:16,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225077953] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:16,670 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:16,670 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-10-08 15:52:16,670 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520834658] [2021-10-08 15:52:16,671 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 15:52:16,671 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:16,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 15:52:16,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-10-08 15:52:16,672 INFO L87 Difference]: Start difference. First operand 735 states and 2083 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:17,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:17,103 INFO L93 Difference]: Finished difference Result 1135 states and 3110 transitions. [2021-10-08 15:52:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:17,103 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 15:52:17,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:17,124 INFO L225 Difference]: With dead ends: 1135 [2021-10-08 15:52:17,124 INFO L226 Difference]: Without dead ends: 1135 [2021-10-08 15:52:17,125 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 170.2ms TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:52:17,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2021-10-08 15:52:17,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 797. [2021-10-08 15:52:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 602 states have (on average 3.9186046511627906) internal successors, (2359), 796 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 2359 transitions. [2021-10-08 15:52:17,160 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 2359 transitions. Word has length 6 [2021-10-08 15:52:17,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:17,161 INFO L470 AbstractCegarLoop]: Abstraction has 797 states and 2359 transitions. [2021-10-08 15:52:17,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:17,161 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2359 transitions. [2021-10-08 15:52:17,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:52:17,163 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:17,163 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:52:17,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:17,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-10-08 15:52:17,377 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:17,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:17,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1785052581, now seen corresponding path program 1 times [2021-10-08 15:52:17,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:17,378 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892936859] [2021-10-08 15:52:17,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:17,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:17,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:17,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892936859] [2021-10-08 15:52:17,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892936859] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:17,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103496293] [2021-10-08 15:52:17,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:17,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:17,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:17,585 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:17,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-08 15:52:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:17,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-08 15:52:17,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:17,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:52:17,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-08 15:52:17,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:52:17,874 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:17,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:52:17,926 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:17,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:52:17,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:17,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103496293] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:17,946 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:17,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-10-08 15:52:17,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611988340] [2021-10-08 15:52:17,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 15:52:17,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:17,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 15:52:17,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-08 15:52:17,948 INFO L87 Difference]: Start difference. First operand 797 states and 2359 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:18,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:18,259 INFO L93 Difference]: Finished difference Result 1073 states and 2956 transitions. [2021-10-08 15:52:18,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:18,260 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 15:52:18,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:18,268 INFO L225 Difference]: With dead ends: 1073 [2021-10-08 15:52:18,268 INFO L226 Difference]: Without dead ends: 1073 [2021-10-08 15:52:18,268 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 93.7ms TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:52:18,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2021-10-08 15:52:18,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 797. [2021-10-08 15:52:18,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 602 states have (on average 3.8156146179401995) internal successors, (2297), 796 states have internal predecessors, (2297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:18,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 2297 transitions. [2021-10-08 15:52:18,300 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 2297 transitions. Word has length 6 [2021-10-08 15:52:18,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:18,300 INFO L470 AbstractCegarLoop]: Abstraction has 797 states and 2297 transitions. [2021-10-08 15:52:18,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:18,301 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 2297 transitions. [2021-10-08 15:52:18,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:52:18,302 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:18,302 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:52:18,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:18,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-10-08 15:52:18,518 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:18,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:18,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1827870464, now seen corresponding path program 1 times [2021-10-08 15:52:18,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:18,519 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117305331] [2021-10-08 15:52:18,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:18,520 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:18,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:18,581 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:18,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117305331] [2021-10-08 15:52:18,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117305331] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:18,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:18,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:52:18,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120143142] [2021-10-08 15:52:18,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:52:18,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:18,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:52:18,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:52:18,586 INFO L87 Difference]: Start difference. First operand 797 states and 2297 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:18,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:18,724 INFO L93 Difference]: Finished difference Result 849 states and 2385 transitions. [2021-10-08 15:52:18,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:52:18,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 15:52:18,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:18,730 INFO L225 Difference]: With dead ends: 849 [2021-10-08 15:52:18,730 INFO L226 Difference]: Without dead ends: 849 [2021-10-08 15:52:18,731 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:18,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2021-10-08 15:52:18,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 801. [2021-10-08 15:52:18,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 606 states have (on average 3.876237623762376) internal successors, (2349), 800 states have internal predecessors, (2349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:18,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 2349 transitions. [2021-10-08 15:52:18,785 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 2349 transitions. Word has length 6 [2021-10-08 15:52:18,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:18,786 INFO L470 AbstractCegarLoop]: Abstraction has 801 states and 2349 transitions. [2021-10-08 15:52:18,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:18,786 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 2349 transitions. [2021-10-08 15:52:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:52:18,787 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:18,787 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:52:18,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-08 15:52:18,787 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:18,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:18,788 INFO L82 PathProgramCache]: Analyzing trace with hash 1827870241, now seen corresponding path program 1 times [2021-10-08 15:52:18,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:18,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172131984] [2021-10-08 15:52:18,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:18,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:18,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:18,814 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172131984] [2021-10-08 15:52:18,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172131984] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:18,814 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:18,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:18,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996369844] [2021-10-08 15:52:18,815 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:18,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:18,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:18,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:18,816 INFO L87 Difference]: Start difference. First operand 801 states and 2349 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:18,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:18,891 INFO L93 Difference]: Finished difference Result 1099 states and 3602 transitions. [2021-10-08 15:52:18,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:18,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 15:52:18,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:18,906 INFO L225 Difference]: With dead ends: 1099 [2021-10-08 15:52:18,907 INFO L226 Difference]: Without dead ends: 1099 [2021-10-08 15:52:18,911 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:18,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2021-10-08 15:52:18,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 855. [2021-10-08 15:52:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 660 states have (on average 4.748484848484848) internal successors, (3134), 854 states have internal predecessors, (3134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 3134 transitions. [2021-10-08 15:52:18,956 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 3134 transitions. Word has length 6 [2021-10-08 15:52:18,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:18,957 INFO L470 AbstractCegarLoop]: Abstraction has 855 states and 3134 transitions. [2021-10-08 15:52:18,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 3134 transitions. [2021-10-08 15:52:18,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:52:18,958 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:18,958 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:52:18,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-08 15:52:18,958 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:18,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:18,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1827870466, now seen corresponding path program 1 times [2021-10-08 15:52:18,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:18,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609236787] [2021-10-08 15:52:18,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:18,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:19,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:19,007 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:19,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609236787] [2021-10-08 15:52:19,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609236787] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:19,007 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:19,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:19,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123441937] [2021-10-08 15:52:19,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:19,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:19,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:19,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:19,011 INFO L87 Difference]: Start difference. First operand 855 states and 3134 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:19,057 INFO L93 Difference]: Finished difference Result 805 states and 2930 transitions. [2021-10-08 15:52:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:19,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 15:52:19,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:19,063 INFO L225 Difference]: With dead ends: 805 [2021-10-08 15:52:19,063 INFO L226 Difference]: Without dead ends: 805 [2021-10-08 15:52:19,063 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:19,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2021-10-08 15:52:19,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 805. [2021-10-08 15:52:19,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 624 states have (on average 4.69551282051282) internal successors, (2930), 804 states have internal predecessors, (2930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 2930 transitions. [2021-10-08 15:52:19,093 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 2930 transitions. Word has length 6 [2021-10-08 15:52:19,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:19,093 INFO L470 AbstractCegarLoop]: Abstraction has 805 states and 2930 transitions. [2021-10-08 15:52:19,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,094 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 2930 transitions. [2021-10-08 15:52:19,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:52:19,094 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:19,094 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:52:19,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-08 15:52:19,095 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:19,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:19,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1827870447, now seen corresponding path program 1 times [2021-10-08 15:52:19,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:19,096 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915753742] [2021-10-08 15:52:19,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:19,096 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:19,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:19,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915753742] [2021-10-08 15:52:19,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915753742] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:19,122 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:19,122 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:19,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110267390] [2021-10-08 15:52:19,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:19,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:19,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:19,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:19,123 INFO L87 Difference]: Start difference. First operand 805 states and 2930 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:19,189 INFO L93 Difference]: Finished difference Result 1049 states and 3236 transitions. [2021-10-08 15:52:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:19,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 15:52:19,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:19,195 INFO L225 Difference]: With dead ends: 1049 [2021-10-08 15:52:19,196 INFO L226 Difference]: Without dead ends: 1049 [2021-10-08 15:52:19,196 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:19,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2021-10-08 15:52:19,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 805. [2021-10-08 15:52:19,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 624 states have (on average 4.435897435897436) internal successors, (2768), 804 states have internal predecessors, (2768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 2768 transitions. [2021-10-08 15:52:19,226 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 2768 transitions. Word has length 6 [2021-10-08 15:52:19,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:19,227 INFO L470 AbstractCegarLoop]: Abstraction has 805 states and 2768 transitions. [2021-10-08 15:52:19,227 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 2768 transitions. [2021-10-08 15:52:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:52:19,228 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:19,228 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:52:19,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-08 15:52:19,228 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:19,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:19,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1827870448, now seen corresponding path program 1 times [2021-10-08 15:52:19,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:19,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502997216] [2021-10-08 15:52:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:19,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:19,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:19,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502997216] [2021-10-08 15:52:19,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502997216] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:19,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:19,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:19,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449417834] [2021-10-08 15:52:19,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:19,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:19,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:19,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:19,260 INFO L87 Difference]: Start difference. First operand 805 states and 2768 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:19,296 INFO L93 Difference]: Finished difference Result 705 states and 2360 transitions. [2021-10-08 15:52:19,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:19,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 15:52:19,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:19,301 INFO L225 Difference]: With dead ends: 705 [2021-10-08 15:52:19,301 INFO L226 Difference]: Without dead ends: 705 [2021-10-08 15:52:19,302 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:19,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2021-10-08 15:52:19,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2021-10-08 15:52:19,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 705 states, 552 states have (on average 4.27536231884058) internal successors, (2360), 704 states have internal predecessors, (2360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 2360 transitions. [2021-10-08 15:52:19,330 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 2360 transitions. Word has length 6 [2021-10-08 15:52:19,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:19,330 INFO L470 AbstractCegarLoop]: Abstraction has 705 states and 2360 transitions. [2021-10-08 15:52:19,330 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,331 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 2360 transitions. [2021-10-08 15:52:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:52:19,331 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:19,331 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:52:19,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-08 15:52:19,332 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:19,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:19,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1827870434, now seen corresponding path program 1 times [2021-10-08 15:52:19,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:19,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797521789] [2021-10-08 15:52:19,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:19,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:19,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:19,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:19,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797521789] [2021-10-08 15:52:19,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797521789] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:19,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:19,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:52:19,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085128669] [2021-10-08 15:52:19,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:52:19,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:19,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:52:19,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:52:19,375 INFO L87 Difference]: Start difference. First operand 705 states and 2360 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:19,498 INFO L93 Difference]: Finished difference Result 687 states and 2249 transitions. [2021-10-08 15:52:19,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:19,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 15:52:19,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:19,502 INFO L225 Difference]: With dead ends: 687 [2021-10-08 15:52:19,502 INFO L226 Difference]: Without dead ends: 687 [2021-10-08 15:52:19,503 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:19,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2021-10-08 15:52:19,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 683. [2021-10-08 15:52:19,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 530 states have (on average 4.2377358490566035) internal successors, (2246), 682 states have internal predecessors, (2246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 2246 transitions. [2021-10-08 15:52:19,524 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 2246 transitions. Word has length 6 [2021-10-08 15:52:19,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:19,524 INFO L470 AbstractCegarLoop]: Abstraction has 683 states and 2246 transitions. [2021-10-08 15:52:19,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 2246 transitions. [2021-10-08 15:52:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-08 15:52:19,525 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:19,526 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-08 15:52:19,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-08 15:52:19,526 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting thread2Err24ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:19,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:19,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1827870422, now seen corresponding path program 1 times [2021-10-08 15:52:19,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:19,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026505251] [2021-10-08 15:52:19,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:19,527 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:19,552 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:19,552 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026505251] [2021-10-08 15:52:19,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026505251] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:19,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:19,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:52:19,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144320162] [2021-10-08 15:52:19,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:19,553 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:19,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:19,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:19,554 INFO L87 Difference]: Start difference. First operand 683 states and 2246 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:19,584 INFO L93 Difference]: Finished difference Result 585 states and 1859 transitions. [2021-10-08 15:52:19,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:19,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-08 15:52:19,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:19,587 INFO L225 Difference]: With dead ends: 585 [2021-10-08 15:52:19,588 INFO L226 Difference]: Without dead ends: 574 [2021-10-08 15:52:19,588 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:19,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2021-10-08 15:52:19,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2021-10-08 15:52:19,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 449 states have (on average 4.10913140311804) internal successors, (1845), 573 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 1845 transitions. [2021-10-08 15:52:19,606 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 1845 transitions. Word has length 6 [2021-10-08 15:52:19,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:19,606 INFO L470 AbstractCegarLoop]: Abstraction has 574 states and 1845 transitions. [2021-10-08 15:52:19,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,606 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1845 transitions. [2021-10-08 15:52:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 15:52:19,607 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:19,607 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:19,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-08 15:52:19,607 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:19,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:19,608 INFO L82 PathProgramCache]: Analyzing trace with hash -497959735, now seen corresponding path program 1 times [2021-10-08 15:52:19,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:19,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217512227] [2021-10-08 15:52:19,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:19,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:19,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:19,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217512227] [2021-10-08 15:52:19,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217512227] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:19,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445950858] [2021-10-08 15:52:19,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:19,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:19,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:19,666 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:19,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-08 15:52:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:19,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-08 15:52:19,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:19,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445950858] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:19,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:52:19,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-08 15:52:19,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398625120] [2021-10-08 15:52:19,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:19,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:19,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:19,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:52:19,868 INFO L87 Difference]: Start difference. First operand 574 states and 1845 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:19,916 INFO L93 Difference]: Finished difference Result 526 states and 1656 transitions. [2021-10-08 15:52:19,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:19,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-08 15:52:19,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:19,919 INFO L225 Difference]: With dead ends: 526 [2021-10-08 15:52:19,920 INFO L226 Difference]: Without dead ends: 526 [2021-10-08 15:52:19,920 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 13.2ms TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:52:19,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2021-10-08 15:52:19,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2021-10-08 15:52:19,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 415 states have (on average 3.9903614457831327) internal successors, (1656), 525 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1656 transitions. [2021-10-08 15:52:19,939 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1656 transitions. Word has length 7 [2021-10-08 15:52:19,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:19,939 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 1656 transitions. [2021-10-08 15:52:19,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1656 transitions. [2021-10-08 15:52:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 15:52:19,940 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:19,940 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:19,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:20,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-10-08 15:52:20,156 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:20,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:20,156 INFO L82 PathProgramCache]: Analyzing trace with hash -497959765, now seen corresponding path program 1 times [2021-10-08 15:52:20,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:20,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811801685] [2021-10-08 15:52:20,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:20,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:20,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:20,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811801685] [2021-10-08 15:52:20,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811801685] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:20,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915812281] [2021-10-08 15:52:20,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:20,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:20,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:20,374 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:20,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-10-08 15:52:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:20,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-08 15:52:20,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:20,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-08 15:52:20,679 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:20,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:52:20,756 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:20,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:52:20,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:20,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915812281] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:20,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:20,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-10-08 15:52:20,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86578450] [2021-10-08 15:52:20,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 15:52:20,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:20,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 15:52:20,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-08 15:52:20,788 INFO L87 Difference]: Start difference. First operand 526 states and 1656 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:20,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:20,979 INFO L93 Difference]: Finished difference Result 618 states and 1785 transitions. [2021-10-08 15:52:20,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:20,980 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-08 15:52:20,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:20,983 INFO L225 Difference]: With dead ends: 618 [2021-10-08 15:52:20,983 INFO L226 Difference]: Without dead ends: 618 [2021-10-08 15:52:20,984 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 133.0ms TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:52:20,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2021-10-08 15:52:20,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 526. [2021-10-08 15:52:20,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 415 states have (on average 3.874698795180723) internal successors, (1608), 525 states have internal predecessors, (1608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:21,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1608 transitions. [2021-10-08 15:52:21,001 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1608 transitions. Word has length 7 [2021-10-08 15:52:21,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:21,001 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 1608 transitions. [2021-10-08 15:52:21,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:21,002 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1608 transitions. [2021-10-08 15:52:21,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 15:52:21,002 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:21,002 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:21,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:21,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:21,216 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:21,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:21,216 INFO L82 PathProgramCache]: Analyzing trace with hash -497959877, now seen corresponding path program 1 times [2021-10-08 15:52:21,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:21,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050240957] [2021-10-08 15:52:21,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:21,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:21,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:21,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050240957] [2021-10-08 15:52:21,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050240957] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:21,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657783415] [2021-10-08 15:52:21,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:21,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:21,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:21,441 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:21,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-10-08 15:52:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:21,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 29 conjunts are in the unsatisfiable core [2021-10-08 15:52:21,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:21,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:52:21,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-08 15:52:21,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:52:21,744 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:21,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:52:21,798 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:21,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:52:21,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:21,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657783415] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:21,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:21,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-10-08 15:52:21,831 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110701681] [2021-10-08 15:52:21,831 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 15:52:21,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:21,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 15:52:21,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-08 15:52:21,832 INFO L87 Difference]: Start difference. First operand 526 states and 1608 transitions. Second operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:22,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:22,025 INFO L93 Difference]: Finished difference Result 570 states and 1644 transitions. [2021-10-08 15:52:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:22,026 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-08 15:52:22,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:22,029 INFO L225 Difference]: With dead ends: 570 [2021-10-08 15:52:22,029 INFO L226 Difference]: Without dead ends: 570 [2021-10-08 15:52:22,029 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 128.5ms TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:52:22,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-10-08 15:52:22,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 526. [2021-10-08 15:52:22,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 415 states have (on average 3.7590361445783134) internal successors, (1560), 525 states have internal predecessors, (1560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:22,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1560 transitions. [2021-10-08 15:52:22,085 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1560 transitions. Word has length 7 [2021-10-08 15:52:22,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:22,085 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 1560 transitions. [2021-10-08 15:52:22,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1560 transitions. [2021-10-08 15:52:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 15:52:22,086 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:22,086 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:22,122 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:22,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-10-08 15:52:22,301 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:22,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:22,302 INFO L82 PathProgramCache]: Analyzing trace with hash -497721891, now seen corresponding path program 1 times [2021-10-08 15:52:22,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:22,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427538540] [2021-10-08 15:52:22,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:22,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:22,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:22,333 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:22,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427538540] [2021-10-08 15:52:22,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427538540] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:22,334 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:22,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:52:22,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180300726] [2021-10-08 15:52:22,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:52:22,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:22,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:52:22,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:52:22,335 INFO L87 Difference]: Start difference. First operand 526 states and 1560 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:22,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:22,392 INFO L93 Difference]: Finished difference Result 504 states and 1482 transitions. [2021-10-08 15:52:22,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:52:22,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-08 15:52:22,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:22,395 INFO L225 Difference]: With dead ends: 504 [2021-10-08 15:52:22,395 INFO L226 Difference]: Without dead ends: 504 [2021-10-08 15:52:22,396 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:22,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2021-10-08 15:52:22,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2021-10-08 15:52:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 401 states have (on average 3.6957605985037407) internal successors, (1482), 503 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:22,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1482 transitions. [2021-10-08 15:52:22,409 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1482 transitions. Word has length 7 [2021-10-08 15:52:22,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:22,410 INFO L470 AbstractCegarLoop]: Abstraction has 504 states and 1482 transitions. [2021-10-08 15:52:22,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:22,410 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1482 transitions. [2021-10-08 15:52:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-08 15:52:22,412 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:22,412 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:22,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-08 15:52:22,413 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:22,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:22,413 INFO L82 PathProgramCache]: Analyzing trace with hash -497722172, now seen corresponding path program 1 times [2021-10-08 15:52:22,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:22,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426004355] [2021-10-08 15:52:22,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:22,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:22,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:22,477 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:22,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426004355] [2021-10-08 15:52:22,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426004355] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:22,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495795630] [2021-10-08 15:52:22,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:22,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:22,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:22,479 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:22,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-10-08 15:52:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:22,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 15:52:22,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:22,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 88 [2021-10-08 15:52:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:22,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495795630] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:22,754 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:52:22,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 8 [2021-10-08 15:52:22,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615489629] [2021-10-08 15:52:22,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 15:52:22,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:22,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 15:52:22,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-08 15:52:22,756 INFO L87 Difference]: Start difference. First operand 504 states and 1482 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:22,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:22,916 INFO L93 Difference]: Finished difference Result 520 states and 1469 transitions. [2021-10-08 15:52:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:22,917 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-08 15:52:22,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:22,919 INFO L225 Difference]: With dead ends: 520 [2021-10-08 15:52:22,919 INFO L226 Difference]: Without dead ends: 520 [2021-10-08 15:52:22,920 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 53.0ms TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-10-08 15:52:22,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2021-10-08 15:52:22,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 482. [2021-10-08 15:52:22,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 387 states have (on average 3.627906976744186) internal successors, (1404), 481 states have internal predecessors, (1404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:22,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 1404 transitions. [2021-10-08 15:52:22,937 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 1404 transitions. Word has length 7 [2021-10-08 15:52:22,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:22,937 INFO L470 AbstractCegarLoop]: Abstraction has 482 states and 1404 transitions. [2021-10-08 15:52:22,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:22,938 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 1404 transitions. [2021-10-08 15:52:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:52:22,938 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:22,938 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:22,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:23,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:23,152 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:23,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:23,153 INFO L82 PathProgramCache]: Analyzing trace with hash 1743119576, now seen corresponding path program 1 times [2021-10-08 15:52:23,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:23,154 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747510080] [2021-10-08 15:52:23,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:23,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:23,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:23,214 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747510080] [2021-10-08 15:52:23,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747510080] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:23,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752751649] [2021-10-08 15:52:23,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:23,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:23,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:23,216 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:23,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-10-08 15:52:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:23,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-08 15:52:23,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:23,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 133 [2021-10-08 15:52:23,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-08 15:52:23,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:52:23,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2021-10-08 15:52:23,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861739293] [2021-10-08 15:52:23,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:52:23,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:23,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:52:23,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:52:23,996 INFO L87 Difference]: Start difference. First operand 482 states and 1404 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:24,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:24,059 INFO L93 Difference]: Finished difference Result 738 states and 2232 transitions. [2021-10-08 15:52:24,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:52:24,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-08 15:52:24,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:24,063 INFO L225 Difference]: With dead ends: 738 [2021-10-08 15:52:24,064 INFO L226 Difference]: Without dead ends: 738 [2021-10-08 15:52:24,064 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 20.1ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-08 15:52:24,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2021-10-08 15:52:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 526. [2021-10-08 15:52:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 431 states have (on average 4.25754060324826) internal successors, (1835), 525 states have internal predecessors, (1835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:24,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 1835 transitions. [2021-10-08 15:52:24,084 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 1835 transitions. Word has length 8 [2021-10-08 15:52:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:24,085 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 1835 transitions. [2021-10-08 15:52:24,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1835 transitions. [2021-10-08 15:52:24,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:52:24,085 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:24,086 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:24,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:24,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-10-08 15:52:24,301 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:24,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:24,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1743119782, now seen corresponding path program 1 times [2021-10-08 15:52:24,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:24,302 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191682822] [2021-10-08 15:52:24,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:24,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:24,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:24,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191682822] [2021-10-08 15:52:24,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191682822] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:24,356 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181900697] [2021-10-08 15:52:24,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:24,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:24,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:24,358 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:24,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-08 15:52:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:24,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 15:52:24,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:24,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 212 treesize of output 185 [2021-10-08 15:52:25,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-08 15:52:25,234 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:52:25,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2] total 2 [2021-10-08 15:52:25,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932225628] [2021-10-08 15:52:25,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:52:25,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:25,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:52:25,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:52:25,236 INFO L87 Difference]: Start difference. First operand 526 states and 1835 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:25,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:25,282 INFO L93 Difference]: Finished difference Result 478 states and 1567 transitions. [2021-10-08 15:52:25,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:52:25,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-08 15:52:25,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:25,285 INFO L225 Difference]: With dead ends: 478 [2021-10-08 15:52:25,285 INFO L226 Difference]: Without dead ends: 478 [2021-10-08 15:52:25,286 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:25,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2021-10-08 15:52:25,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 438. [2021-10-08 15:52:25,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 367 states have (on average 4.068119891008174) internal successors, (1493), 437 states have internal predecessors, (1493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:25,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 1493 transitions. [2021-10-08 15:52:25,301 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 1493 transitions. Word has length 8 [2021-10-08 15:52:25,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:25,301 INFO L470 AbstractCegarLoop]: Abstraction has 438 states and 1493 transitions. [2021-10-08 15:52:25,301 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1493 transitions. [2021-10-08 15:52:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:52:25,302 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:25,302 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:25,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:25,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2021-10-08 15:52:25,516 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:25,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:25,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1743119769, now seen corresponding path program 1 times [2021-10-08 15:52:25,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:25,517 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431204222] [2021-10-08 15:52:25,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:25,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:25,587 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:25,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431204222] [2021-10-08 15:52:25,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431204222] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:25,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130735561] [2021-10-08 15:52:25,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:25,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:25,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:25,589 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:25,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-10-08 15:52:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:25,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-08 15:52:25,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:26,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 130 [2021-10-08 15:52:26,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-08 15:52:26,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:52:26,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2021-10-08 15:52:26,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406871525] [2021-10-08 15:52:26,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 15:52:26,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:26,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 15:52:26,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-08 15:52:26,436 INFO L87 Difference]: Start difference. First operand 438 states and 1493 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:26,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:26,628 INFO L93 Difference]: Finished difference Result 610 states and 1962 transitions. [2021-10-08 15:52:26,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 15:52:26,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-08 15:52:26,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:26,632 INFO L225 Difference]: With dead ends: 610 [2021-10-08 15:52:26,632 INFO L226 Difference]: Without dead ends: 600 [2021-10-08 15:52:26,633 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 50.1ms TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:52:26,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-10-08 15:52:26,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 560. [2021-10-08 15:52:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 489 states have (on average 3.79959100204499) internal successors, (1858), 559 states have internal predecessors, (1858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1858 transitions. [2021-10-08 15:52:26,652 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1858 transitions. Word has length 8 [2021-10-08 15:52:26,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:26,653 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 1858 transitions. [2021-10-08 15:52:26,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:26,653 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1858 transitions. [2021-10-08 15:52:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:52:26,653 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:26,654 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:26,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:26,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-10-08 15:52:26,868 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:26,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:26,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1750501211, now seen corresponding path program 1 times [2021-10-08 15:52:26,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:26,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115073156] [2021-10-08 15:52:26,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:26,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:26,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:26,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115073156] [2021-10-08 15:52:26,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115073156] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:26,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913741210] [2021-10-08 15:52:26,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:26,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:26,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:26,936 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:26,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-10-08 15:52:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:27,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-08 15:52:27,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:27,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913741210] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:27,300 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:27,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-10-08 15:52:27,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913550475] [2021-10-08 15:52:27,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-08 15:52:27,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:27,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-08 15:52:27,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-10-08 15:52:27,302 INFO L87 Difference]: Start difference. First operand 560 states and 1858 transitions. Second operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:27,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:27,605 INFO L93 Difference]: Finished difference Result 512 states and 1659 transitions. [2021-10-08 15:52:27,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:52:27,606 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-08 15:52:27,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:27,608 INFO L225 Difference]: With dead ends: 512 [2021-10-08 15:52:27,609 INFO L226 Difference]: Without dead ends: 488 [2021-10-08 15:52:27,609 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 95.6ms TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:52:27,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2021-10-08 15:52:27,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 484. [2021-10-08 15:52:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 413 states have (on average 3.87409200968523) internal successors, (1600), 483 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 1600 transitions. [2021-10-08 15:52:27,625 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 1600 transitions. Word has length 8 [2021-10-08 15:52:27,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:27,625 INFO L470 AbstractCegarLoop]: Abstraction has 484 states and 1600 transitions. [2021-10-08 15:52:27,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1600 transitions. [2021-10-08 15:52:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:52:27,626 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:27,626 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:27,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:27,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-10-08 15:52:27,842 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:27,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:27,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1752973732, now seen corresponding path program 1 times [2021-10-08 15:52:27,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:27,843 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869643677] [2021-10-08 15:52:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:27,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:27,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:27,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:27,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869643677] [2021-10-08 15:52:27,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869643677] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:27,918 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:27,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-08 15:52:27,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318903802] [2021-10-08 15:52:27,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:52:27,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:27,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:52:27,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:52:27,922 INFO L87 Difference]: Start difference. First operand 484 states and 1600 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:28,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:28,108 INFO L93 Difference]: Finished difference Result 908 states and 2955 transitions. [2021-10-08 15:52:28,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:28,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-08 15:52:28,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:28,115 INFO L225 Difference]: With dead ends: 908 [2021-10-08 15:52:28,115 INFO L226 Difference]: Without dead ends: 908 [2021-10-08 15:52:28,116 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:28,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2021-10-08 15:52:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 597. [2021-10-08 15:52:28,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 526 states have (on average 4.11596958174905) internal successors, (2165), 596 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 2165 transitions. [2021-10-08 15:52:28,149 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 2165 transitions. Word has length 8 [2021-10-08 15:52:28,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:28,149 INFO L470 AbstractCegarLoop]: Abstraction has 597 states and 2165 transitions. [2021-10-08 15:52:28,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 2165 transitions. [2021-10-08 15:52:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:52:28,151 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:28,151 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:28,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-08 15:52:28,151 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:28,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:28,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1752973866, now seen corresponding path program 1 times [2021-10-08 15:52:28,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:28,157 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289629901] [2021-10-08 15:52:28,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:28,157 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:28,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:28,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289629901] [2021-10-08 15:52:28,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289629901] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:28,252 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:28,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-08 15:52:28,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803607340] [2021-10-08 15:52:28,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:52:28,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:28,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:52:28,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:52:28,255 INFO L87 Difference]: Start difference. First operand 597 states and 2165 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:28,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:28,405 INFO L93 Difference]: Finished difference Result 867 states and 2824 transitions. [2021-10-08 15:52:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:52:28,406 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-08 15:52:28,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:28,412 INFO L225 Difference]: With dead ends: 867 [2021-10-08 15:52:28,413 INFO L226 Difference]: Without dead ends: 830 [2021-10-08 15:52:28,415 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:52:28,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2021-10-08 15:52:28,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 564. [2021-10-08 15:52:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 493 states have (on average 4.154158215010142) internal successors, (2048), 563 states have internal predecessors, (2048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 2048 transitions. [2021-10-08 15:52:28,445 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 2048 transitions. Word has length 8 [2021-10-08 15:52:28,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:28,446 INFO L470 AbstractCegarLoop]: Abstraction has 564 states and 2048 transitions. [2021-10-08 15:52:28,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 2048 transitions. [2021-10-08 15:52:28,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:28,447 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:28,447 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:28,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-08 15:52:28,448 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:28,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:28,448 INFO L82 PathProgramCache]: Analyzing trace with hash 3292450, now seen corresponding path program 2 times [2021-10-08 15:52:28,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:28,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646638421] [2021-10-08 15:52:28,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:28,449 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:28,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:28,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:28,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646638421] [2021-10-08 15:52:28,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646638421] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:28,767 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944157772] [2021-10-08 15:52:28,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:52:28,767 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:28,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:28,769 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:28,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-10-08 15:52:29,040 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:52:29,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:52:29,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-08 15:52:29,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:29,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:52:29,240 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:52:29,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 15:52:29,348 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:52:29,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 15:52:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:29,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944157772] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:29,941 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:29,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-08 15:52:29,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510638231] [2021-10-08 15:52:29,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 15:52:29,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:29,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 15:52:29,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-10-08 15:52:29,943 INFO L87 Difference]: Start difference. First operand 564 states and 2048 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:31,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:31,517 INFO L93 Difference]: Finished difference Result 1629 states and 5056 transitions. [2021-10-08 15:52:31,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:52:31,517 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:31,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:31,527 INFO L225 Difference]: With dead ends: 1629 [2021-10-08 15:52:31,528 INFO L226 Difference]: Without dead ends: 1629 [2021-10-08 15:52:31,528 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 846.8ms TimeCoverageRelationStatistics Valid=84, Invalid=422, Unknown=0, NotChecked=0, Total=506 [2021-10-08 15:52:31,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1629 states. [2021-10-08 15:52:31,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1629 to 564. [2021-10-08 15:52:31,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 493 states have (on average 4.044624746450304) internal successors, (1994), 563 states have internal predecessors, (1994), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:31,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 1994 transitions. [2021-10-08 15:52:31,563 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 1994 transitions. Word has length 9 [2021-10-08 15:52:31,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:31,563 INFO L470 AbstractCegarLoop]: Abstraction has 564 states and 1994 transitions. [2021-10-08 15:52:31,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1994 transitions. [2021-10-08 15:52:31,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:31,564 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:31,564 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:31,607 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:31,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-10-08 15:52:31,779 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:31,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:31,780 INFO L82 PathProgramCache]: Analyzing trace with hash 3292338, now seen corresponding path program 1 times [2021-10-08 15:52:31,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:31,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247888834] [2021-10-08 15:52:31,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:31,781 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:32,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:32,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:32,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247888834] [2021-10-08 15:52:32,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247888834] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:32,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182338936] [2021-10-08 15:52:32,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:32,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:32,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:32,083 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:32,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-10-08 15:52:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:32,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-08 15:52:32,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:32,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:52:32,558 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:32,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:52:32,658 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:32,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:52:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:33,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182338936] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:33,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:33,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-08 15:52:33,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406372105] [2021-10-08 15:52:33,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 15:52:33,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:33,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 15:52:33,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-10-08 15:52:33,260 INFO L87 Difference]: Start difference. First operand 564 states and 1994 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:34,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:34,707 INFO L93 Difference]: Finished difference Result 1457 states and 4527 transitions. [2021-10-08 15:52:34,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-08 15:52:34,707 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:34,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:34,714 INFO L225 Difference]: With dead ends: 1457 [2021-10-08 15:52:34,715 INFO L226 Difference]: Without dead ends: 1457 [2021-10-08 15:52:34,715 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 749.0ms TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2021-10-08 15:52:34,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2021-10-08 15:52:34,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 771. [2021-10-08 15:52:34,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 700 states have (on average 4.351428571428571) internal successors, (3046), 770 states have internal predecessors, (3046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 3046 transitions. [2021-10-08 15:52:34,752 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 3046 transitions. Word has length 9 [2021-10-08 15:52:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:34,752 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 3046 transitions. [2021-10-08 15:52:34,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 3046 transitions. [2021-10-08 15:52:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:34,753 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:34,753 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:34,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:34,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,18 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:34,970 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:34,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:34,970 INFO L82 PathProgramCache]: Analyzing trace with hash 3292451, now seen corresponding path program 1 times [2021-10-08 15:52:34,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:34,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590081521] [2021-10-08 15:52:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:34,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:35,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:35,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:35,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590081521] [2021-10-08 15:52:35,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590081521] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:35,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011044038] [2021-10-08 15:52:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:35,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:35,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:35,132 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:35,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-10-08 15:52:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:35,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-08 15:52:35,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:35,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-08 15:52:35,844 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:52:35,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-10-08 15:52:35,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367858189] [2021-10-08 15:52:35,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-08 15:52:35,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:35,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-08 15:52:35,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-10-08 15:52:35,846 INFO L87 Difference]: Start difference. First operand 771 states and 3046 transitions. Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:36,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:36,041 INFO L93 Difference]: Finished difference Result 881 states and 3219 transitions. [2021-10-08 15:52:36,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:52:36,041 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:36,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:36,048 INFO L225 Difference]: With dead ends: 881 [2021-10-08 15:52:36,048 INFO L226 Difference]: Without dead ends: 881 [2021-10-08 15:52:36,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 64.5ms TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:52:36,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2021-10-08 15:52:36,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 771. [2021-10-08 15:52:36,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 700 states have (on average 4.274285714285714) internal successors, (2992), 770 states have internal predecessors, (2992), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:36,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 2992 transitions. [2021-10-08 15:52:36,074 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 2992 transitions. Word has length 9 [2021-10-08 15:52:36,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:36,074 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 2992 transitions. [2021-10-08 15:52:36,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:36,075 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 2992 transitions. [2021-10-08 15:52:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:36,075 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:36,075 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:36,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:36,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,19 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:36,290 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:36,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:36,291 INFO L82 PathProgramCache]: Analyzing trace with hash 3292443, now seen corresponding path program 1 times [2021-10-08 15:52:36,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:36,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687735776] [2021-10-08 15:52:36,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:36,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:36,371 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:52:36,372 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:36,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687735776] [2021-10-08 15:52:36,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687735776] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:36,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261070971] [2021-10-08 15:52:36,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:36,373 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:36,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:36,374 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:36,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-10-08 15:52:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:36,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 15:52:36,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:52:37,243 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261070971] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:37,243 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:37,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2021-10-08 15:52:37,244 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27956078] [2021-10-08 15:52:37,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 15:52:37,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:37,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 15:52:37,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:52:37,246 INFO L87 Difference]: Start difference. First operand 771 states and 2992 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:37,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:37,403 INFO L93 Difference]: Finished difference Result 877 states and 3055 transitions. [2021-10-08 15:52:37,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 15:52:37,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:37,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:37,407 INFO L225 Difference]: With dead ends: 877 [2021-10-08 15:52:37,408 INFO L226 Difference]: Without dead ends: 877 [2021-10-08 15:52:37,408 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 21.0ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:52:37,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2021-10-08 15:52:37,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 771. [2021-10-08 15:52:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 700 states have (on average 4.042857142857143) internal successors, (2830), 770 states have internal predecessors, (2830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 2830 transitions. [2021-10-08 15:52:37,439 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 2830 transitions. Word has length 9 [2021-10-08 15:52:37,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:37,439 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 2830 transitions. [2021-10-08 15:52:37,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 2830 transitions. [2021-10-08 15:52:37,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:37,440 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:37,441 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:37,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:37,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-10-08 15:52:37,655 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:37,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:37,656 INFO L82 PathProgramCache]: Analyzing trace with hash 10673892, now seen corresponding path program 2 times [2021-10-08 15:52:37,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:37,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068608286] [2021-10-08 15:52:37,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:37,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:37,872 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:37,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068608286] [2021-10-08 15:52:37,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068608286] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:37,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743795811] [2021-10-08 15:52:37,873 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:52:37,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:37,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:37,874 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:37,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-10-08 15:52:38,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:52:38,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:52:38,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 31 conjunts are in the unsatisfiable core [2021-10-08 15:52:38,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:38,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:52:38,444 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:52:38,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 15:52:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:38,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743795811] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:38,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:38,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-08 15:52:38,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132263033] [2021-10-08 15:52:38,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 15:52:38,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:38,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 15:52:38,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2021-10-08 15:52:38,606 INFO L87 Difference]: Start difference. First operand 771 states and 2830 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:39,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:39,719 INFO L93 Difference]: Finished difference Result 778 states and 2836 transitions. [2021-10-08 15:52:39,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-08 15:52:39,719 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:39,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:39,723 INFO L225 Difference]: With dead ends: 778 [2021-10-08 15:52:39,723 INFO L226 Difference]: Without dead ends: 778 [2021-10-08 15:52:39,723 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 711.6ms TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2021-10-08 15:52:39,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2021-10-08 15:52:39,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 770. [2021-10-08 15:52:39,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 699 states have (on average 4.044349070100143) internal successors, (2827), 769 states have internal predecessors, (2827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:39,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 2827 transitions. [2021-10-08 15:52:39,749 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 2827 transitions. Word has length 9 [2021-10-08 15:52:39,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:39,749 INFO L470 AbstractCegarLoop]: Abstraction has 770 states and 2827 transitions. [2021-10-08 15:52:39,749 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:39,750 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 2827 transitions. [2021-10-08 15:52:39,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:39,750 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:39,750 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:39,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2021-10-08 15:52:39,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-10-08 15:52:39,966 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:39,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:39,966 INFO L82 PathProgramCache]: Analyzing trace with hash 10673765, now seen corresponding path program 1 times [2021-10-08 15:52:39,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:39,967 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217807205] [2021-10-08 15:52:39,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:39,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:40,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:40,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217807205] [2021-10-08 15:52:40,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217807205] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:40,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898396226] [2021-10-08 15:52:40,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:40,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:40,171 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:40,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-10-08 15:52:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:40,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-08 15:52:40,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:40,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:52:40,721 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:40,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:52:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:40,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898396226] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:40,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:40,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 12 [2021-10-08 15:52:40,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438348776] [2021-10-08 15:52:40,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 15:52:40,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:40,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 15:52:40,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2021-10-08 15:52:40,829 INFO L87 Difference]: Start difference. First operand 770 states and 2827 transitions. Second operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:41,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:41,890 INFO L93 Difference]: Finished difference Result 798 states and 2884 transitions. [2021-10-08 15:52:41,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-08 15:52:41,893 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:41,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:41,896 INFO L225 Difference]: With dead ends: 798 [2021-10-08 15:52:41,896 INFO L226 Difference]: Without dead ends: 798 [2021-10-08 15:52:41,897 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 629.8ms TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2021-10-08 15:52:41,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2021-10-08 15:52:41,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 774. [2021-10-08 15:52:41,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 774 states, 703 states have (on average 4.042674253200569) internal successors, (2842), 773 states have internal predecessors, (2842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:41,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 2842 transitions. [2021-10-08 15:52:41,922 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 2842 transitions. Word has length 9 [2021-10-08 15:52:41,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:41,922 INFO L470 AbstractCegarLoop]: Abstraction has 774 states and 2842 transitions. [2021-10-08 15:52:41,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:41,923 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 2842 transitions. [2021-10-08 15:52:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:41,923 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:41,923 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:41,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:42,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2021-10-08 15:52:42,139 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:42,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:42,139 INFO L82 PathProgramCache]: Analyzing trace with hash 13146542, now seen corresponding path program 1 times [2021-10-08 15:52:42,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:42,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55469706] [2021-10-08 15:52:42,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:42,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:42,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:42,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:52:42,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:42,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55469706] [2021-10-08 15:52:42,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55469706] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:42,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463039165] [2021-10-08 15:52:42,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:42,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:42,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:42,217 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:42,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-10-08 15:52:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:42,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-08 15:52:42,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:43,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2021-10-08 15:52:43,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:52:43,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463039165] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:43,304 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:43,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-08 15:52:43,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956620734] [2021-10-08 15:52:43,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 15:52:43,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:43,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 15:52:43,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-08 15:52:43,306 INFO L87 Difference]: Start difference. First operand 774 states and 2842 transitions. Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:43,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:43,660 INFO L93 Difference]: Finished difference Result 1414 states and 4734 transitions. [2021-10-08 15:52:43,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:52:43,661 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:43,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:43,667 INFO L225 Difference]: With dead ends: 1414 [2021-10-08 15:52:43,667 INFO L226 Difference]: Without dead ends: 1414 [2021-10-08 15:52:43,667 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 118.4ms TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:52:43,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2021-10-08 15:52:43,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 909. [2021-10-08 15:52:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 909 states, 838 states have (on average 4.20763723150358) internal successors, (3526), 908 states have internal predecessors, (3526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 3526 transitions. [2021-10-08 15:52:43,702 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 3526 transitions. Word has length 9 [2021-10-08 15:52:43,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:43,703 INFO L470 AbstractCegarLoop]: Abstraction has 909 states and 3526 transitions. [2021-10-08 15:52:43,703 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:43,703 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 3526 transitions. [2021-10-08 15:52:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:43,704 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:43,704 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:43,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:43,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2021-10-08 15:52:43,920 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:43,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:43,920 INFO L82 PathProgramCache]: Analyzing trace with hash 13146544, now seen corresponding path program 1 times [2021-10-08 15:52:43,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:43,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859048312] [2021-10-08 15:52:43,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:43,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:52:43,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:43,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859048312] [2021-10-08 15:52:43,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859048312] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:43,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333792782] [2021-10-08 15:52:43,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:43,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:43,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:43,985 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:44,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-10-08 15:52:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:44,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-08 15:52:44,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:44,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:52:44,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333792782] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:44,895 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:44,896 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-10-08 15:52:44,896 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849522814] [2021-10-08 15:52:44,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 15:52:44,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:44,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 15:52:44,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-08 15:52:44,897 INFO L87 Difference]: Start difference. First operand 909 states and 3526 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:45,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:45,457 INFO L93 Difference]: Finished difference Result 1545 states and 5104 transitions. [2021-10-08 15:52:45,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:52:45,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:45,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:45,461 INFO L225 Difference]: With dead ends: 1545 [2021-10-08 15:52:45,461 INFO L226 Difference]: Without dead ends: 1545 [2021-10-08 15:52:45,461 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 213.8ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:52:45,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1545 states. [2021-10-08 15:52:45,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1545 to 799. [2021-10-08 15:52:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 728 states have (on average 4.006868131868132) internal successors, (2917), 798 states have internal predecessors, (2917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:45,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 2917 transitions. [2021-10-08 15:52:45,489 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 2917 transitions. Word has length 9 [2021-10-08 15:52:45,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:45,489 INFO L470 AbstractCegarLoop]: Abstraction has 799 states and 2917 transitions. [2021-10-08 15:52:45,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:45,489 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 2917 transitions. [2021-10-08 15:52:45,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:45,490 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:45,490 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:45,529 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2021-10-08 15:52:45,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-10-08 15:52:45,704 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:45,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:45,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1499956528, now seen corresponding path program 1 times [2021-10-08 15:52:45,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:45,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547722912] [2021-10-08 15:52:45,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:45,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:45,801 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:45,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547722912] [2021-10-08 15:52:45,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547722912] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:45,802 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009035795] [2021-10-08 15:52:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:45,802 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:45,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:45,803 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:45,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-08 15:52:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:46,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-08 15:52:46,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:46,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 530 treesize of output 514 [2021-10-08 15:52:46,685 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:52:46,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2021-10-08 15:52:46,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2021-10-08 15:52:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:46,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009035795] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:46,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:46,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-10-08 15:52:46,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502732693] [2021-10-08 15:52:46,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-08 15:52:46,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:46,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-08 15:52:46,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-10-08 15:52:46,741 INFO L87 Difference]: Start difference. First operand 799 states and 2917 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:47,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:47,634 INFO L93 Difference]: Finished difference Result 2328 states and 7707 transitions. [2021-10-08 15:52:47,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-08 15:52:47,635 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:47,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:47,642 INFO L225 Difference]: With dead ends: 2328 [2021-10-08 15:52:47,643 INFO L226 Difference]: Without dead ends: 2328 [2021-10-08 15:52:47,643 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 399.2ms TimeCoverageRelationStatistics Valid=224, Invalid=532, Unknown=0, NotChecked=0, Total=756 [2021-10-08 15:52:47,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2021-10-08 15:52:47,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 984. [2021-10-08 15:52:47,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 913 states have (on average 4.312157721796276) internal successors, (3937), 983 states have internal predecessors, (3937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:47,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 3937 transitions. [2021-10-08 15:52:47,689 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 3937 transitions. Word has length 9 [2021-10-08 15:52:47,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:47,689 INFO L470 AbstractCegarLoop]: Abstraction has 984 states and 3937 transitions. [2021-10-08 15:52:47,689 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:47,689 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 3937 transitions. [2021-10-08 15:52:47,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-08 15:52:47,690 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:47,690 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:47,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:47,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-10-08 15:52:47,905 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:47,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:47,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1499956394, now seen corresponding path program 1 times [2021-10-08 15:52:47,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:47,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192852949] [2021-10-08 15:52:47,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:47,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:47,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:47,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192852949] [2021-10-08 15:52:47,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192852949] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:47,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209780327] [2021-10-08 15:52:47,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:47,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:47,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:47,988 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:48,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-08 15:52:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:48,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-08 15:52:48,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:48,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 181 [2021-10-08 15:52:48,937 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:52:48,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 43 [2021-10-08 15:52:48,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 21 [2021-10-08 15:52:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:52:48,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209780327] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:48,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:48,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-08 15:52:48,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769626199] [2021-10-08 15:52:48,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-08 15:52:48,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:48,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-08 15:52:48,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-08 15:52:48,997 INFO L87 Difference]: Start difference. First operand 984 states and 3937 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:49,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:49,383 INFO L93 Difference]: Finished difference Result 1212 states and 4275 transitions. [2021-10-08 15:52:49,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 15:52:49,384 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-10-08 15:52:49,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:49,387 INFO L225 Difference]: With dead ends: 1212 [2021-10-08 15:52:49,388 INFO L226 Difference]: Without dead ends: 1188 [2021-10-08 15:52:49,388 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 180.6ms TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-10-08 15:52:49,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2021-10-08 15:52:49,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 721. [2021-10-08 15:52:49,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 662 states have (on average 4.074018126888218) internal successors, (2697), 720 states have internal predecessors, (2697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 2697 transitions. [2021-10-08 15:52:49,405 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 2697 transitions. Word has length 9 [2021-10-08 15:52:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:49,406 INFO L470 AbstractCegarLoop]: Abstraction has 721 states and 2697 transitions. [2021-10-08 15:52:49,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 2697 transitions. [2021-10-08 15:52:49,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:52:49,406 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:49,407 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:49,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-10-08 15:52:49,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,26 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:49,609 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:49,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:49,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1910601851, now seen corresponding path program 3 times [2021-10-08 15:52:49,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:49,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36251635] [2021-10-08 15:52:49,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:49,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:49,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:49,833 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36251635] [2021-10-08 15:52:49,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36251635] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:49,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310094194] [2021-10-08 15:52:49,834 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:52:49,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:49,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:49,837 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:49,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-08 15:52:50,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 15:52:50,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:52:50,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-08 15:52:50,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:50,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:52:50,465 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:52:50,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:52:50,531 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:50,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:52:50,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:50,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310094194] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:50,605 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:50,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-10-08 15:52:50,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234061274] [2021-10-08 15:52:50,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-08 15:52:50,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:50,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-08 15:52:50,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:52:50,607 INFO L87 Difference]: Start difference. First operand 721 states and 2697 transitions. Second operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:50,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:50,942 INFO L93 Difference]: Finished difference Result 735 states and 2722 transitions. [2021-10-08 15:52:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:52:50,943 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:52:50,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:50,945 INFO L225 Difference]: With dead ends: 735 [2021-10-08 15:52:50,945 INFO L226 Difference]: Without dead ends: 735 [2021-10-08 15:52:50,946 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 231.2ms TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-10-08 15:52:50,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2021-10-08 15:52:50,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 725. [2021-10-08 15:52:50,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 666 states have (on average 4.063063063063063) internal successors, (2706), 724 states have internal predecessors, (2706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 2706 transitions. [2021-10-08 15:52:50,966 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 2706 transitions. Word has length 10 [2021-10-08 15:52:50,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:50,966 INFO L470 AbstractCegarLoop]: Abstraction has 725 states and 2706 transitions. [2021-10-08 15:52:50,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 2706 transitions. [2021-10-08 15:52:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:52:50,967 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:50,967 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:51,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:51,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,27 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:51,182 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:51,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:51,183 INFO L82 PathProgramCache]: Analyzing trace with hash 121336340, now seen corresponding path program 1 times [2021-10-08 15:52:51,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:51,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583012020] [2021-10-08 15:52:51,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:51,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:51,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:51,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:51,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583012020] [2021-10-08 15:52:51,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583012020] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:51,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327564811] [2021-10-08 15:52:51,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:51,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:51,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:51,500 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:51,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-08 15:52:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:52,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-08 15:52:52,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:52,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:52:52,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 110 [2021-10-08 15:52:52,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:52:52,221 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:52,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:52:52,277 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:52,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-10-08 15:52:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:52,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327564811] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:52,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:52,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-08 15:52:52,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638752367] [2021-10-08 15:52:52,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-08 15:52:52,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:52,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-08 15:52:52,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-10-08 15:52:52,377 INFO L87 Difference]: Start difference. First operand 725 states and 2706 transitions. Second operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:53,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:53,742 INFO L93 Difference]: Finished difference Result 1244 states and 3847 transitions. [2021-10-08 15:52:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-08 15:52:53,742 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:52:53,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:53,745 INFO L225 Difference]: With dead ends: 1244 [2021-10-08 15:52:53,745 INFO L226 Difference]: Without dead ends: 1244 [2021-10-08 15:52:53,746 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 767.3ms TimeCoverageRelationStatistics Valid=136, Invalid=676, Unknown=0, NotChecked=0, Total=812 [2021-10-08 15:52:53,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2021-10-08 15:52:53,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 897. [2021-10-08 15:52:53,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 897 states, 838 states have (on average 3.8138424821002386) internal successors, (3196), 896 states have internal predecessors, (3196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 3196 transitions. [2021-10-08 15:52:53,767 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 3196 transitions. Word has length 10 [2021-10-08 15:52:53,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:53,768 INFO L470 AbstractCegarLoop]: Abstraction has 897 states and 3196 transitions. [2021-10-08 15:52:53,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 3196 transitions. [2021-10-08 15:52:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:52:53,769 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:53,769 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:53,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:53,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2021-10-08 15:52:53,971 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:53,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:53,972 INFO L82 PathProgramCache]: Analyzing trace with hash 121336213, now seen corresponding path program 1 times [2021-10-08 15:52:53,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:53,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472217490] [2021-10-08 15:52:53,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:53,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:54,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:54,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472217490] [2021-10-08 15:52:54,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472217490] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:54,220 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128126994] [2021-10-08 15:52:54,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:54,220 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:54,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:54,222 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:54,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-08 15:52:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:54,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-08 15:52:54,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:54,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:52:54,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-08 15:52:54,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:52:54,933 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:54,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:52:54,984 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:52:54,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:52:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:55,049 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128126994] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:55,050 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:55,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2021-10-08 15:52:55,050 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712222100] [2021-10-08 15:52:55,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-08 15:52:55,050 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:55,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-08 15:52:55,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:52:55,051 INFO L87 Difference]: Start difference. First operand 897 states and 3196 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:55,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:55,476 INFO L93 Difference]: Finished difference Result 1178 states and 3898 transitions. [2021-10-08 15:52:55,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:52:55,481 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:52:55,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:55,485 INFO L225 Difference]: With dead ends: 1178 [2021-10-08 15:52:55,485 INFO L226 Difference]: Without dead ends: 1178 [2021-10-08 15:52:55,486 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 221.4ms TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-10-08 15:52:55,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2021-10-08 15:52:55,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 949. [2021-10-08 15:52:55,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 890 states have (on average 3.762921348314607) internal successors, (3349), 948 states have internal predecessors, (3349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 3349 transitions. [2021-10-08 15:52:55,506 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 3349 transitions. Word has length 10 [2021-10-08 15:52:55,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:55,506 INFO L470 AbstractCegarLoop]: Abstraction has 949 states and 3349 transitions. [2021-10-08 15:52:55,507 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 3349 transitions. [2021-10-08 15:52:55,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:52:55,507 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:55,507 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:55,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-10-08 15:52:55,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2021-10-08 15:52:55,708 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:55,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:55,709 INFO L82 PathProgramCache]: Analyzing trace with hash 102069057, now seen corresponding path program 2 times [2021-10-08 15:52:55,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:55,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514988440] [2021-10-08 15:52:55,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:55,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:55,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-08 15:52:55,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:55,769 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514988440] [2021-10-08 15:52:55,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514988440] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:52:55,769 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:52:55,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:52:55,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559908493] [2021-10-08 15:52:55,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:52:55,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:55,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:52:55,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:55,771 INFO L87 Difference]: Start difference. First operand 949 states and 3349 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:55,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:55,799 INFO L93 Difference]: Finished difference Result 857 states and 3012 transitions. [2021-10-08 15:52:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:52:55,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:52:55,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:55,803 INFO L225 Difference]: With dead ends: 857 [2021-10-08 15:52:55,803 INFO L226 Difference]: Without dead ends: 857 [2021-10-08 15:52:55,804 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:52:55,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2021-10-08 15:52:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 857. [2021-10-08 15:52:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 808 states have (on average 3.727722772277228) internal successors, (3012), 856 states have internal predecessors, (3012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 3012 transitions. [2021-10-08 15:52:55,830 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 3012 transitions. Word has length 10 [2021-10-08 15:52:55,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:55,830 INFO L470 AbstractCegarLoop]: Abstraction has 857 states and 3012 transitions. [2021-10-08 15:52:55,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:55,831 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 3012 transitions. [2021-10-08 15:52:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:52:55,831 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:55,831 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:55,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-10-08 15:52:55,832 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:55,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:55,832 INFO L82 PathProgramCache]: Analyzing trace with hash 102069250, now seen corresponding path program 3 times [2021-10-08 15:52:55,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:55,833 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721871548] [2021-10-08 15:52:55,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:55,833 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:55,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:55,934 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721871548] [2021-10-08 15:52:55,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721871548] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:55,935 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949809392] [2021-10-08 15:52:55,935 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:52:55,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:55,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:55,936 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:55,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-08 15:52:56,485 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-08 15:52:56,486 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:52:56,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-08 15:52:56,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:57,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-08 15:52:57,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:52:57,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2021-10-08 15:52:57,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764499366] [2021-10-08 15:52:57,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 15:52:57,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:57,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 15:52:57,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:52:57,596 INFO L87 Difference]: Start difference. First operand 857 states and 3012 transitions. Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:57,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:52:57,807 INFO L93 Difference]: Finished difference Result 769 states and 2514 transitions. [2021-10-08 15:52:57,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 15:52:57,807 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:52:57,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:52:57,809 INFO L225 Difference]: With dead ends: 769 [2021-10-08 15:52:57,810 INFO L226 Difference]: Without dead ends: 755 [2021-10-08 15:52:57,810 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 141.8ms TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2021-10-08 15:52:57,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2021-10-08 15:52:57,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 741. [2021-10-08 15:52:57,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 692 states have (on average 3.5390173410404624) internal successors, (2449), 740 states have internal predecessors, (2449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 2449 transitions. [2021-10-08 15:52:57,825 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 2449 transitions. Word has length 10 [2021-10-08 15:52:57,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:52:57,826 INFO L470 AbstractCegarLoop]: Abstraction has 741 states and 2449 transitions. [2021-10-08 15:52:57,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:52:57,826 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 2449 transitions. [2021-10-08 15:52:57,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:52:57,827 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:52:57,827 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:52:57,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-10-08 15:52:58,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,30 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:58,029 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:52:58,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:52:58,030 INFO L82 PathProgramCache]: Analyzing trace with hash 330884743, now seen corresponding path program 2 times [2021-10-08 15:52:58,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:52:58,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068675862] [2021-10-08 15:52:58,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:52:58,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:52:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:52:58,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:58,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:52:58,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068675862] [2021-10-08 15:52:58,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068675862] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:58,314 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580965129] [2021-10-08 15:52:58,314 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:52:58,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:52:58,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:52:58,320 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:52:58,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-08 15:52:58,942 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:52:58,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:52:58,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-08 15:52:58,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:52:58,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:52:58,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 118 [2021-10-08 15:52:59,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:52:59,186 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:52:59,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 15:52:59,396 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:52:59,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2021-10-08 15:52:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:52:59,439 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580965129] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:52:59,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:52:59,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-08 15:52:59,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404516602] [2021-10-08 15:52:59,440 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-08 15:52:59,440 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:52:59,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-08 15:52:59,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2021-10-08 15:52:59,441 INFO L87 Difference]: Start difference. First operand 741 states and 2449 transitions. Second operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:00,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:00,540 INFO L93 Difference]: Finished difference Result 746 states and 2414 transitions. [2021-10-08 15:53:00,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-08 15:53:00,541 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-10-08 15:53:00,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:00,543 INFO L225 Difference]: With dead ends: 746 [2021-10-08 15:53:00,543 INFO L226 Difference]: Without dead ends: 746 [2021-10-08 15:53:00,543 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 783.9ms TimeCoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2021-10-08 15:53:00,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2021-10-08 15:53:00,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 706. [2021-10-08 15:53:00,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 657 states have (on average 3.538812785388128) internal successors, (2325), 705 states have internal predecessors, (2325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:00,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 2325 transitions. [2021-10-08 15:53:00,556 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 2325 transitions. Word has length 10 [2021-10-08 15:53:00,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:00,556 INFO L470 AbstractCegarLoop]: Abstraction has 706 states and 2325 transitions. [2021-10-08 15:53:00,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:00,556 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 2325 transitions. [2021-10-08 15:53:00,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:53:00,557 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:00,557 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:00,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2021-10-08 15:53:00,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-10-08 15:53:00,758 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:00,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:00,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1129706165, now seen corresponding path program 4 times [2021-10-08 15:53:00,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:00,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448637217] [2021-10-08 15:53:00,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:00,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:01,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:01,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448637217] [2021-10-08 15:53:01,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448637217] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:01,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064688815] [2021-10-08 15:53:01,090 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 15:53:01,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:01,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:01,092 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:01,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-10-08 15:53:01,712 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 15:53:01,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:01,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-08 15:53:01,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:01,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2021-10-08 15:53:01,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:53:01,961 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:53:01,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:53:02,053 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:53:02,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:53:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:03,428 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064688815] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:03,429 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:03,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-10-08 15:53:03,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447440041] [2021-10-08 15:53:03,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-08 15:53:03,429 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:03,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-08 15:53:03,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2021-10-08 15:53:03,431 INFO L87 Difference]: Start difference. First operand 706 states and 2325 transitions. Second operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:05,739 INFO L93 Difference]: Finished difference Result 1595 states and 5053 transitions. [2021-10-08 15:53:05,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-08 15:53:05,740 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-08 15:53:05,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:05,745 INFO L225 Difference]: With dead ends: 1595 [2021-10-08 15:53:05,746 INFO L226 Difference]: Without dead ends: 1595 [2021-10-08 15:53:05,746 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 1554.2ms TimeCoverageRelationStatistics Valid=198, Invalid=732, Unknown=0, NotChecked=0, Total=930 [2021-10-08 15:53:05,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2021-10-08 15:53:05,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 935. [2021-10-08 15:53:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 886 states have (on average 3.7968397291196387) internal successors, (3364), 934 states have internal predecessors, (3364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 3364 transitions. [2021-10-08 15:53:05,770 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 3364 transitions. Word has length 11 [2021-10-08 15:53:05,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:05,771 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 3364 transitions. [2021-10-08 15:53:05,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:05,771 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 3364 transitions. [2021-10-08 15:53:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:53:05,772 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:05,772 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:05,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-10-08 15:53:05,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-10-08 15:53:05,986 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:05,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:05,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1129706277, now seen corresponding path program 2 times [2021-10-08 15:53:05,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:05,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451402789] [2021-10-08 15:53:05,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:05,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:06,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:06,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451402789] [2021-10-08 15:53:06,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451402789] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:06,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321565394] [2021-10-08 15:53:06,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:53:06,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:06,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:06,389 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:06,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-10-08 15:53:07,042 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:53:07,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:07,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-08 15:53:07,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:07,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:53:07,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-10-08 15:53:07,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:53:07,304 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:53:07,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 15:53:07,406 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:53:07,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2021-10-08 15:53:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:08,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321565394] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:08,664 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:08,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-10-08 15:53:08,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710920480] [2021-10-08 15:53:08,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-08 15:53:08,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:08,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-08 15:53:08,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2021-10-08 15:53:08,667 INFO L87 Difference]: Start difference. First operand 935 states and 3364 transitions. Second operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:11,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:11,023 INFO L93 Difference]: Finished difference Result 1479 states and 4681 transitions. [2021-10-08 15:53:11,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-08 15:53:11,024 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-08 15:53:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:11,027 INFO L225 Difference]: With dead ends: 1479 [2021-10-08 15:53:11,028 INFO L226 Difference]: Without dead ends: 1479 [2021-10-08 15:53:11,028 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1536.8ms TimeCoverageRelationStatistics Valid=201, Invalid=791, Unknown=0, NotChecked=0, Total=992 [2021-10-08 15:53:11,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2021-10-08 15:53:11,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 935. [2021-10-08 15:53:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 886 states have (on average 3.7313769751693004) internal successors, (3306), 934 states have internal predecessors, (3306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:11,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 3306 transitions. [2021-10-08 15:53:11,049 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 3306 transitions. Word has length 11 [2021-10-08 15:53:11,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:11,049 INFO L470 AbstractCegarLoop]: Abstraction has 935 states and 3306 transitions. [2021-10-08 15:53:11,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:11,050 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 3306 transitions. [2021-10-08 15:53:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:53:11,051 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:11,051 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:11,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-10-08 15:53:11,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-10-08 15:53:11,254 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:11,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:11,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1129706164, now seen corresponding path program 2 times [2021-10-08 15:53:11,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:11,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453321311] [2021-10-08 15:53:11,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:11,256 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:11,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:11,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453321311] [2021-10-08 15:53:11,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453321311] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:11,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038082996] [2021-10-08 15:53:11,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:53:11,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:11,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:11,623 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:11,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-10-08 15:53:12,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:53:12,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:12,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-08 15:53:12,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:12,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 137 [2021-10-08 15:53:12,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2021-10-08 15:53:12,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:53:12,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:53:12,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:53:12,543 INFO L354 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2021-10-08 15:53:12,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 41 [2021-10-08 15:53:12,635 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-10-08 15:53:12,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 36 [2021-10-08 15:53:12,736 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-10-08 15:53:12,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 36 [2021-10-08 15:53:13,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Alternating quantifiers not yet supported [2021-10-08 15:53:13,834 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:53:13,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-10-08 15:53:13,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911870625] [2021-10-08 15:53:13,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 15:53:13,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:13,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 15:53:13,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2021-10-08 15:53:13,835 INFO L87 Difference]: Start difference. First operand 935 states and 3306 transitions. Second operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:14,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:14,503 INFO L93 Difference]: Finished difference Result 1421 states and 4781 transitions. [2021-10-08 15:53:14,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:53:14,504 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-08 15:53:14,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:14,508 INFO L225 Difference]: With dead ends: 1421 [2021-10-08 15:53:14,508 INFO L226 Difference]: Without dead ends: 1421 [2021-10-08 15:53:14,509 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 430.3ms TimeCoverageRelationStatistics Valid=98, Invalid=502, Unknown=0, NotChecked=0, Total=600 [2021-10-08 15:53:14,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2021-10-08 15:53:14,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1051. [2021-10-08 15:53:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 1002 states have (on average 4.009980039920159) internal successors, (4018), 1050 states have internal predecessors, (4018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 4018 transitions. [2021-10-08 15:53:14,533 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 4018 transitions. Word has length 11 [2021-10-08 15:53:14,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:14,534 INFO L470 AbstractCegarLoop]: Abstraction has 1051 states and 4018 transitions. [2021-10-08 15:53:14,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 4018 transitions. [2021-10-08 15:53:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:53:14,535 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:14,535 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:14,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2021-10-08 15:53:14,750 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-10-08 15:53:14,751 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:14,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:14,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1129706172, now seen corresponding path program 2 times [2021-10-08 15:53:14,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:14,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358242227] [2021-10-08 15:53:14,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:14,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:15,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:15,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358242227] [2021-10-08 15:53:15,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358242227] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:15,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107053701] [2021-10-08 15:53:15,152 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:53:15,153 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:15,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:15,154 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:15,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-10-08 15:53:15,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:53:15,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:15,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-08 15:53:15,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:16,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:53:16,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:53:16,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-10-08 15:53:16,192 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:53:16,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:53:16,277 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:53:16,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:53:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:17,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107053701] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:17,779 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:17,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-10-08 15:53:17,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536805346] [2021-10-08 15:53:17,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-08 15:53:17,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:17,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-08 15:53:17,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-10-08 15:53:17,781 INFO L87 Difference]: Start difference. First operand 1051 states and 4018 transitions. Second operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:20,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:20,850 INFO L93 Difference]: Finished difference Result 1641 states and 5080 transitions. [2021-10-08 15:53:20,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 15:53:20,851 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-08 15:53:20,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:20,856 INFO L225 Difference]: With dead ends: 1641 [2021-10-08 15:53:20,856 INFO L226 Difference]: Without dead ends: 1641 [2021-10-08 15:53:20,856 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 2134.1ms TimeCoverageRelationStatistics Valid=253, Invalid=1153, Unknown=0, NotChecked=0, Total=1406 [2021-10-08 15:53:20,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2021-10-08 15:53:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1051. [2021-10-08 15:53:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 1002 states have (on average 3.8363273453093814) internal successors, (3844), 1050 states have internal predecessors, (3844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:20,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 3844 transitions. [2021-10-08 15:53:20,879 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 3844 transitions. Word has length 11 [2021-10-08 15:53:20,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:20,879 INFO L470 AbstractCegarLoop]: Abstraction has 1051 states and 3844 transitions. [2021-10-08 15:53:20,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 3844 transitions. [2021-10-08 15:53:20,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:53:20,880 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:20,880 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:20,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-10-08 15:53:21,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,35 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:21,081 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:21,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:21,082 INFO L82 PathProgramCache]: Analyzing trace with hash -900890545, now seen corresponding path program 2 times [2021-10-08 15:53:21,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:21,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235815176] [2021-10-08 15:53:21,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:21,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:21,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:21,360 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:21,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235815176] [2021-10-08 15:53:21,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235815176] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:21,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074291870] [2021-10-08 15:53:21,360 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:53:21,361 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:21,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:21,362 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:21,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-10-08 15:53:22,218 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:53:22,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:22,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-08 15:53:22,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:22,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:53:22,364 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:53:22,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:53:22,435 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:53:22,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:53:22,585 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:53:22,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:53:22,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:22,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074291870] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:22,601 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:22,601 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2021-10-08 15:53:22,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423451927] [2021-10-08 15:53:22,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-08 15:53:22,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:22,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-08 15:53:22,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2021-10-08 15:53:22,603 INFO L87 Difference]: Start difference. First operand 1051 states and 3844 transitions. Second operand has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:23,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:23,018 INFO L93 Difference]: Finished difference Result 1470 states and 5059 transitions. [2021-10-08 15:53:23,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 15:53:23,018 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-08 15:53:23,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:23,022 INFO L225 Difference]: With dead ends: 1470 [2021-10-08 15:53:23,023 INFO L226 Difference]: Without dead ends: 1470 [2021-10-08 15:53:23,023 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 340.9ms TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:53:23,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2021-10-08 15:53:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1107. [2021-10-08 15:53:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1107 states, 1058 states have (on average 3.9054820415879017) internal successors, (4132), 1106 states have internal predecessors, (4132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 1107 states and 4132 transitions. [2021-10-08 15:53:23,047 INFO L78 Accepts]: Start accepts. Automaton has 1107 states and 4132 transitions. Word has length 11 [2021-10-08 15:53:23,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:23,048 INFO L470 AbstractCegarLoop]: Abstraction has 1107 states and 4132 transitions. [2021-10-08 15:53:23,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.3125) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 4132 transitions. [2021-10-08 15:53:23,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:53:23,048 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:23,049 INFO L512 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:23,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-10-08 15:53:23,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2021-10-08 15:53:23,251 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:23,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:23,251 INFO L82 PathProgramCache]: Analyzing trace with hash -900890672, now seen corresponding path program 3 times [2021-10-08 15:53:23,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:23,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107661160] [2021-10-08 15:53:23,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:23,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:23,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:23,538 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107661160] [2021-10-08 15:53:23,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107661160] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:23,539 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823129791] [2021-10-08 15:53:23,539 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:53:23,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:23,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:23,540 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:23,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-10-08 15:53:24,416 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 15:53:24,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:24,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:53:24,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:24,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:53:24,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 93 [2021-10-08 15:53:24,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:53:24,589 INFO L354 Elim1Store]: treesize reduction 25, result has 37.5 percent of original size [2021-10-08 15:53:24,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 37 [2021-10-08 15:53:24,723 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:53:24,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:53:24,845 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:53:24,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-10-08 15:53:24,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-08 15:53:24,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823129791] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:24,854 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:24,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2021-10-08 15:53:24,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899588069] [2021-10-08 15:53:24,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-10-08 15:53:24,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:24,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-08 15:53:24,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-10-08 15:53:24,856 INFO L87 Difference]: Start difference. First operand 1107 states and 4132 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:25,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:25,517 INFO L93 Difference]: Finished difference Result 1391 states and 4775 transitions. [2021-10-08 15:53:25,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:53:25,517 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-08 15:53:25,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:25,522 INFO L225 Difference]: With dead ends: 1391 [2021-10-08 15:53:25,522 INFO L226 Difference]: Without dead ends: 1391 [2021-10-08 15:53:25,522 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 436.4ms TimeCoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:53:25,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2021-10-08 15:53:25,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1054. [2021-10-08 15:53:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1005 states have (on average 3.8318407960199004) internal successors, (3851), 1053 states have internal predecessors, (3851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:25,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 3851 transitions. [2021-10-08 15:53:25,544 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 3851 transitions. Word has length 11 [2021-10-08 15:53:25,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:25,544 INFO L470 AbstractCegarLoop]: Abstraction has 1054 states and 3851 transitions. [2021-10-08 15:53:25,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:25,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 3851 transitions. [2021-10-08 15:53:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:53:25,545 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:25,545 INFO L512 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:25,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2021-10-08 15:53:25,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,37 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:25,746 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:25,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:25,747 INFO L82 PathProgramCache]: Analyzing trace with hash -660038366, now seen corresponding path program 5 times [2021-10-08 15:53:25,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:25,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996425833] [2021-10-08 15:53:25,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:25,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:26,011 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:26,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:26,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996425833] [2021-10-08 15:53:26,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996425833] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:26,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638172312] [2021-10-08 15:53:26,012 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 15:53:26,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:26,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:26,013 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:26,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2021-10-08 15:53:26,847 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-10-08 15:53:26,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:26,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-08 15:53:26,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:26,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:53:27,032 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:53:27,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:53:27,124 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:53:27,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:53:27,211 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:53:27,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:53:28,597 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:28,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638172312] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:28,597 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:28,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-10-08 15:53:28,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311409175] [2021-10-08 15:53:28,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-08 15:53:28,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:28,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-08 15:53:28,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:53:28,599 INFO L87 Difference]: Start difference. First operand 1054 states and 3851 transitions. Second operand has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:29,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:29,948 INFO L93 Difference]: Finished difference Result 1286 states and 4272 transitions. [2021-10-08 15:53:29,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-08 15:53:29,949 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:53:29,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:29,953 INFO L225 Difference]: With dead ends: 1286 [2021-10-08 15:53:29,953 INFO L226 Difference]: Without dead ends: 1286 [2021-10-08 15:53:29,953 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 852.3ms TimeCoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2021-10-08 15:53:29,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2021-10-08 15:53:29,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1054. [2021-10-08 15:53:29,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1005 states have (on average 3.774129353233831) internal successors, (3793), 1053 states have internal predecessors, (3793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 3793 transitions. [2021-10-08 15:53:29,974 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 3793 transitions. Word has length 12 [2021-10-08 15:53:29,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:29,974 INFO L470 AbstractCegarLoop]: Abstraction has 1054 states and 3793 transitions. [2021-10-08 15:53:29,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 3793 transitions. [2021-10-08 15:53:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:53:29,975 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:29,975 INFO L512 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:30,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2021-10-08 15:53:30,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,38 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:30,178 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:30,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:30,178 INFO L82 PathProgramCache]: Analyzing trace with hash -660038478, now seen corresponding path program 3 times [2021-10-08 15:53:30,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:30,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414122046] [2021-10-08 15:53:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:30,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:30,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:30,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414122046] [2021-10-08 15:53:30,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414122046] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:30,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360159654] [2021-10-08 15:53:30,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:53:30,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:30,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:30,483 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:30,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2021-10-08 15:53:31,452 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 15:53:31,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:31,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-08 15:53:31,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:31,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:53:31,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-08 15:53:31,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:53:31,641 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:53:31,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-10-08 15:53:31,718 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:53:31,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:53:31,793 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:53:31,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:53:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:33,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360159654] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:33,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:33,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-10-08 15:53:33,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093508906] [2021-10-08 15:53:33,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-08 15:53:33,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:33,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-08 15:53:33,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:53:33,224 INFO L87 Difference]: Start difference. First operand 1054 states and 3793 transitions. Second operand has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:34,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:34,597 INFO L93 Difference]: Finished difference Result 1228 states and 4086 transitions. [2021-10-08 15:53:34,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-08 15:53:34,598 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:53:34,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:34,601 INFO L225 Difference]: With dead ends: 1228 [2021-10-08 15:53:34,602 INFO L226 Difference]: Without dead ends: 1228 [2021-10-08 15:53:34,602 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 795.6ms TimeCoverageRelationStatistics Valid=107, Invalid=705, Unknown=0, NotChecked=0, Total=812 [2021-10-08 15:53:34,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2021-10-08 15:53:34,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1054. [2021-10-08 15:53:34,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1005 states have (on average 3.716417910447761) internal successors, (3735), 1053 states have internal predecessors, (3735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 3735 transitions. [2021-10-08 15:53:34,631 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 3735 transitions. Word has length 12 [2021-10-08 15:53:34,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:34,631 INFO L470 AbstractCegarLoop]: Abstraction has 1054 states and 3735 transitions. [2021-10-08 15:53:34,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:34,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 3735 transitions. [2021-10-08 15:53:34,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:53:34,633 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:34,633 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:34,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2021-10-08 15:53:34,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,39 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:34,848 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:34,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:34,848 INFO L82 PathProgramCache]: Analyzing trace with hash -661149446, now seen corresponding path program 3 times [2021-10-08 15:53:34,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:34,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229911072] [2021-10-08 15:53:34,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:34,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:35,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:35,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:35,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229911072] [2021-10-08 15:53:35,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229911072] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:35,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170235937] [2021-10-08 15:53:35,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:53:35,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:35,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:35,008 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:35,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2021-10-08 15:53:35,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 15:53:35,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:35,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-08 15:53:35,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:37,959 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-10-08 15:53:37,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 690 treesize of output 542 [2021-10-08 15:53:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:38,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170235937] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:38,539 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:38,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 16 [2021-10-08 15:53:38,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970613088] [2021-10-08 15:53:38,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-10-08 15:53:38,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:38,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-08 15:53:38,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2021-10-08 15:53:38,541 INFO L87 Difference]: Start difference. First operand 1054 states and 3735 transitions. Second operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:39,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:39,643 INFO L93 Difference]: Finished difference Result 1268 states and 4048 transitions. [2021-10-08 15:53:39,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-08 15:53:39,643 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:53:39,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:39,647 INFO L225 Difference]: With dead ends: 1268 [2021-10-08 15:53:39,648 INFO L226 Difference]: Without dead ends: 1250 [2021-10-08 15:53:39,648 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 588.1ms TimeCoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2021-10-08 15:53:39,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2021-10-08 15:53:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1000. [2021-10-08 15:53:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 951 states have (on average 3.643533123028391) internal successors, (3465), 999 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 3465 transitions. [2021-10-08 15:53:39,672 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 3465 transitions. Word has length 12 [2021-10-08 15:53:39,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:39,672 INFO L470 AbstractCegarLoop]: Abstraction has 1000 states and 3465 transitions. [2021-10-08 15:53:39,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:39,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 3465 transitions. [2021-10-08 15:53:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-08 15:53:39,674 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:39,674 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:39,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2021-10-08 15:53:39,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,40 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:39,888 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:39,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:39,888 INFO L82 PathProgramCache]: Analyzing trace with hash 162052743, now seen corresponding path program 1 times [2021-10-08 15:53:39,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:39,889 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089407085] [2021-10-08 15:53:39,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:39,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:39,975 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:53:39,976 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:39,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089407085] [2021-10-08 15:53:39,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089407085] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:39,976 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63969239] [2021-10-08 15:53:39,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:39,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:39,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:39,980 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:40,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-10-08 15:53:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:41,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-08 15:53:41,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:41,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:41,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63969239] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:41,247 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:41,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8] total 13 [2021-10-08 15:53:41,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307584670] [2021-10-08 15:53:41,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 15:53:41,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:41,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 15:53:41,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-10-08 15:53:41,249 INFO L87 Difference]: Start difference. First operand 1000 states and 3465 transitions. Second operand has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:42,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:42,631 INFO L93 Difference]: Finished difference Result 2208 states and 6562 transitions. [2021-10-08 15:53:42,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-08 15:53:42,632 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-08 15:53:42,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:42,636 INFO L225 Difference]: With dead ends: 2208 [2021-10-08 15:53:42,637 INFO L226 Difference]: Without dead ends: 1974 [2021-10-08 15:53:42,637 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 497.9ms TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2021-10-08 15:53:42,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2021-10-08 15:53:42,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1138. [2021-10-08 15:53:42,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1138 states, 1089 states have (on average 3.7796143250688705) internal successors, (4116), 1137 states have internal predecessors, (4116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 4116 transitions. [2021-10-08 15:53:42,673 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 4116 transitions. Word has length 12 [2021-10-08 15:53:42,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:42,673 INFO L470 AbstractCegarLoop]: Abstraction has 1138 states and 4116 transitions. [2021-10-08 15:53:42,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:42,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 4116 transitions. [2021-10-08 15:53:42,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 15:53:42,674 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:42,675 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:42,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2021-10-08 15:53:42,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,41 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:42,889 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:42,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:42,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1013650434, now seen corresponding path program 6 times [2021-10-08 15:53:42,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:42,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102505056] [2021-10-08 15:53:42,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:42,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:43,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:43,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:43,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102505056] [2021-10-08 15:53:43,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102505056] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:43,299 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531443630] [2021-10-08 15:53:43,299 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 15:53:43,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:43,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:43,300 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:43,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-10-08 15:53:44,354 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-10-08 15:53:44,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:44,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-08 15:53:44,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:44,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:53:44,572 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:53:44,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:53:44,652 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:53:44,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:53:47,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:47,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531443630] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:47,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:47,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:53:47,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208888072] [2021-10-08 15:53:47,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:53:47,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:47,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:53:47,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:53:47,534 INFO L87 Difference]: Start difference. First operand 1138 states and 4116 transitions. Second operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:53:51,445 INFO L93 Difference]: Finished difference Result 2823 states and 9677 transitions. [2021-10-08 15:53:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-08 15:53:51,446 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-08 15:53:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:53:51,456 INFO L225 Difference]: With dead ends: 2823 [2021-10-08 15:53:51,456 INFO L226 Difference]: Without dead ends: 2823 [2021-10-08 15:53:51,456 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 1997.7ms TimeCoverageRelationStatistics Valid=228, Invalid=1494, Unknown=0, NotChecked=0, Total=1722 [2021-10-08 15:53:51,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2823 states. [2021-10-08 15:53:51,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2823 to 1599. [2021-10-08 15:53:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1550 states have (on average 4.168387096774193) internal successors, (6461), 1598 states have internal predecessors, (6461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 6461 transitions. [2021-10-08 15:53:51,495 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 6461 transitions. Word has length 13 [2021-10-08 15:53:51,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:53:51,495 INFO L470 AbstractCegarLoop]: Abstraction has 1599 states and 6461 transitions. [2021-10-08 15:53:51,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:53:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 6461 transitions. [2021-10-08 15:53:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 15:53:51,497 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:53:51,497 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1] [2021-10-08 15:53:51,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2021-10-08 15:53:51,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2021-10-08 15:53:51,700 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:53:51,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:53:51,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1013650322, now seen corresponding path program 4 times [2021-10-08 15:53:51,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:53:51,701 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14116524] [2021-10-08 15:53:51,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:53:51,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:53:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:53:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:52,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:53:52,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14116524] [2021-10-08 15:53:52,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14116524] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:52,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221366950] [2021-10-08 15:53:52,169 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 15:53:52,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:53:52,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:53:52,170 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:53:52,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2021-10-08 15:53:53,372 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 15:53:53,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:53:53,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:53:53,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:53:53,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:53:53,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-10-08 15:53:53,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:53:53,667 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:53:53,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 15:53:53,773 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:53:53,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2021-10-08 15:53:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:53:56,847 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221366950] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:53:56,847 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:53:56,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:53:56,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602433375] [2021-10-08 15:53:56,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:53:56,847 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:53:56,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:53:56,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:53:56,848 INFO L87 Difference]: Start difference. First operand 1599 states and 6461 transitions. Second operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:00,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:00,708 INFO L93 Difference]: Finished difference Result 2433 states and 8601 transitions. [2021-10-08 15:54:00,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 15:54:00,709 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-08 15:54:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:00,716 INFO L225 Difference]: With dead ends: 2433 [2021-10-08 15:54:00,716 INFO L226 Difference]: Without dead ends: 2433 [2021-10-08 15:54:00,717 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 2821.8ms TimeCoverageRelationStatistics Valid=264, Invalid=1218, Unknown=0, NotChecked=0, Total=1482 [2021-10-08 15:54:00,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2433 states. [2021-10-08 15:54:00,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2433 to 1599. [2021-10-08 15:54:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1599 states, 1550 states have (on average 4.118064516129032) internal successors, (6383), 1598 states have internal predecessors, (6383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:00,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1599 states and 6383 transitions. [2021-10-08 15:54:00,755 INFO L78 Accepts]: Start accepts. Automaton has 1599 states and 6383 transitions. Word has length 13 [2021-10-08 15:54:00,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:00,755 INFO L470 AbstractCegarLoop]: Abstraction has 1599 states and 6383 transitions. [2021-10-08 15:54:00,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:00,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 6383 transitions. [2021-10-08 15:54:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 15:54:00,756 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:00,756 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1] [2021-10-08 15:54:00,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2021-10-08 15:54:00,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-10-08 15:54:00,957 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:00,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:00,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1013650435, now seen corresponding path program 4 times [2021-10-08 15:54:00,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:00,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733766220] [2021-10-08 15:54:00,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:00,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:01,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:01,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733766220] [2021-10-08 15:54:01,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733766220] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:01,379 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282546612] [2021-10-08 15:54:01,379 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 15:54:01,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:01,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:01,384 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:01,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-10-08 15:54:02,777 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 15:54:02,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:54:02,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:54:02,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:54:02,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-08 15:54:02,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:54:03,040 INFO L354 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2021-10-08 15:54:03,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 49 [2021-10-08 15:54:03,207 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:54:03,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-10-08 15:54:03,352 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:54:03,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2021-10-08 15:54:05,434 INFO L354 Elim1Store]: treesize reduction 56, result has 29.1 percent of original size [2021-10-08 15:54:05,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 718 treesize of output 584 [2021-10-08 15:54:07,433 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:07,434 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282546612] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:07,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:07,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:54:07,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658478816] [2021-10-08 15:54:07,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:54:07,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:07,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:54:07,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:54:07,436 INFO L87 Difference]: Start difference. First operand 1599 states and 6383 transitions. Second operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:11,518 INFO L93 Difference]: Finished difference Result 2951 states and 9600 transitions. [2021-10-08 15:54:11,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 15:54:11,518 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-08 15:54:11,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:11,526 INFO L225 Difference]: With dead ends: 2951 [2021-10-08 15:54:11,526 INFO L226 Difference]: Without dead ends: 2951 [2021-10-08 15:54:11,527 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 2448.6ms TimeCoverageRelationStatistics Valid=274, Invalid=1706, Unknown=0, NotChecked=0, Total=1980 [2021-10-08 15:54:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2951 states. [2021-10-08 15:54:11,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2951 to 1677. [2021-10-08 15:54:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 1628 states have (on average 4.127149877149877) internal successors, (6719), 1676 states have internal predecessors, (6719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 6719 transitions. [2021-10-08 15:54:11,567 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 6719 transitions. Word has length 13 [2021-10-08 15:54:11,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:11,567 INFO L470 AbstractCegarLoop]: Abstraction has 1677 states and 6719 transitions. [2021-10-08 15:54:11,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 6719 transitions. [2021-10-08 15:54:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 15:54:11,568 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:11,568 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1] [2021-10-08 15:54:11,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2021-10-08 15:54:11,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,44 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:11,769 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:11,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:11,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1013650427, now seen corresponding path program 3 times [2021-10-08 15:54:11,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:11,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717789208] [2021-10-08 15:54:11,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:11,771 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:12,192 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:12,193 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:12,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717789208] [2021-10-08 15:54:12,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717789208] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:12,193 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137469756] [2021-10-08 15:54:12,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:54:12,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:12,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:12,195 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:12,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-10-08 15:54:13,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 15:54:13,604 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:54:13,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-08 15:54:13,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:13,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:54:13,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-08 15:54:13,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:54:13,799 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:13,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:54:13,876 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:13,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:54:13,952 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:13,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:54:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:16,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137469756] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:16,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:16,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:54:16,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132415248] [2021-10-08 15:54:16,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:54:16,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:16,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:54:16,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:54:16,822 INFO L87 Difference]: Start difference. First operand 1677 states and 6719 transitions. Second operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:19,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:19,182 INFO L93 Difference]: Finished difference Result 2051 states and 7407 transitions. [2021-10-08 15:54:19,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-08 15:54:19,183 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-08 15:54:19,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:19,191 INFO L225 Difference]: With dead ends: 2051 [2021-10-08 15:54:19,191 INFO L226 Difference]: Without dead ends: 2051 [2021-10-08 15:54:19,192 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 1557.7ms TimeCoverageRelationStatistics Valid=155, Invalid=967, Unknown=0, NotChecked=0, Total=1122 [2021-10-08 15:54:19,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2051 states. [2021-10-08 15:54:19,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2051 to 1677. [2021-10-08 15:54:19,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 1628 states have (on average 4.031326781326781) internal successors, (6563), 1676 states have internal predecessors, (6563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:19,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 6563 transitions. [2021-10-08 15:54:19,242 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 6563 transitions. Word has length 13 [2021-10-08 15:54:19,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:19,242 INFO L470 AbstractCegarLoop]: Abstraction has 1677 states and 6563 transitions. [2021-10-08 15:54:19,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:19,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 6563 transitions. [2021-10-08 15:54:19,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 15:54:19,244 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:19,244 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1] [2021-10-08 15:54:19,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-10-08 15:54:19,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,45 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:19,445 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:19,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:19,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1834379974, now seen corresponding path program 4 times [2021-10-08 15:54:19,446 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:19,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077725] [2021-10-08 15:54:19,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:19,447 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:19,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:19,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077725] [2021-10-08 15:54:19,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077725] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:19,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912651500] [2021-10-08 15:54:19,737 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 15:54:19,737 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:19,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:19,738 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:19,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-10-08 15:54:21,152 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 15:54:21,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:54:21,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-08 15:54:21,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:21,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:54:21,336 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:54:21,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 15:54:21,631 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:21,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912651500] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:21,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:21,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-10-08 15:54:21,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701858618] [2021-10-08 15:54:21,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-08 15:54:21,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:21,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-08 15:54:21,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:54:21,633 INFO L87 Difference]: Start difference. First operand 1677 states and 6563 transitions. Second operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:23,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:23,508 INFO L93 Difference]: Finished difference Result 2210 states and 8267 transitions. [2021-10-08 15:54:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 15:54:23,508 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-08 15:54:23,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:23,514 INFO L225 Difference]: With dead ends: 2210 [2021-10-08 15:54:23,515 INFO L226 Difference]: Without dead ends: 2210 [2021-10-08 15:54:23,515 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1111.8ms TimeCoverageRelationStatistics Valid=190, Invalid=1000, Unknown=0, NotChecked=0, Total=1190 [2021-10-08 15:54:23,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2210 states. [2021-10-08 15:54:23,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2210 to 1959. [2021-10-08 15:54:23,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1959 states, 1910 states have (on average 4.012565445026178) internal successors, (7664), 1958 states have internal predecessors, (7664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:23,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 7664 transitions. [2021-10-08 15:54:23,558 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 7664 transitions. Word has length 13 [2021-10-08 15:54:23,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:23,558 INFO L470 AbstractCegarLoop]: Abstraction has 1959 states and 7664 transitions. [2021-10-08 15:54:23,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 7664 transitions. [2021-10-08 15:54:23,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 15:54:23,559 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:23,559 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1] [2021-10-08 15:54:23,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-10-08 15:54:23,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,46 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:23,760 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:23,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:23,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1834379847, now seen corresponding path program 2 times [2021-10-08 15:54:23,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:23,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845999395] [2021-10-08 15:54:23,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:23,762 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:24,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:24,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845999395] [2021-10-08 15:54:24,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845999395] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:24,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027940717] [2021-10-08 15:54:24,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:54:24,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:24,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:24,034 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:24,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-10-08 15:54:25,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:54:25,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:54:25,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-08 15:54:25,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:25,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:54:25,776 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:54:25,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 15:54:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:26,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027940717] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:26,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:26,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-10-08 15:54:26,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633536503] [2021-10-08 15:54:26,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-08 15:54:26,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:26,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-08 15:54:26,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:54:26,063 INFO L87 Difference]: Start difference. First operand 1959 states and 7664 transitions. Second operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:28,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:28,093 INFO L93 Difference]: Finished difference Result 2198 states and 8187 transitions. [2021-10-08 15:54:28,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 15:54:28,094 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-08 15:54:28,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:28,100 INFO L225 Difference]: With dead ends: 2198 [2021-10-08 15:54:28,100 INFO L226 Difference]: Without dead ends: 2198 [2021-10-08 15:54:28,101 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1185.9ms TimeCoverageRelationStatistics Valid=190, Invalid=1000, Unknown=0, NotChecked=0, Total=1190 [2021-10-08 15:54:28,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2021-10-08 15:54:28,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 1958. [2021-10-08 15:54:28,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1958 states, 1909 states have (on average 3.9832372970141434) internal successors, (7604), 1957 states have internal predecessors, (7604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 7604 transitions. [2021-10-08 15:54:28,139 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 7604 transitions. Word has length 13 [2021-10-08 15:54:28,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:28,139 INFO L470 AbstractCegarLoop]: Abstraction has 1958 states and 7604 transitions. [2021-10-08 15:54:28,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 7604 transitions. [2021-10-08 15:54:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 15:54:28,141 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:28,141 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:54:28,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2021-10-08 15:54:28,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,47 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:28,342 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:28,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:28,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1836852626, now seen corresponding path program 1 times [2021-10-08 15:54:28,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:28,343 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601966019] [2021-10-08 15:54:28,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:28,344 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:28,589 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:28,589 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:28,589 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601966019] [2021-10-08 15:54:28,590 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601966019] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:28,590 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682474666] [2021-10-08 15:54:28,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:28,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:28,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:28,591 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:28,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-10-08 15:54:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:30,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:54:30,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:30,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16 [2021-10-08 15:54:30,217 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-10-08 15:54:30,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-10-08 15:54:30,281 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:30,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:54:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:30,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682474666] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:30,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:30,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 17 [2021-10-08 15:54:30,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541114012] [2021-10-08 15:54:30,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-10-08 15:54:30,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:30,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-10-08 15:54:30,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2021-10-08 15:54:30,467 INFO L87 Difference]: Start difference. First operand 1958 states and 7604 transitions. Second operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:32,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:32,368 INFO L93 Difference]: Finished difference Result 3341 states and 12744 transitions. [2021-10-08 15:54:32,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-08 15:54:32,368 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-08 15:54:32,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:32,378 INFO L225 Difference]: With dead ends: 3341 [2021-10-08 15:54:32,378 INFO L226 Difference]: Without dead ends: 3341 [2021-10-08 15:54:32,379 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 1370.2ms TimeCoverageRelationStatistics Valid=285, Invalid=1521, Unknown=0, NotChecked=0, Total=1806 [2021-10-08 15:54:32,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3341 states. [2021-10-08 15:54:32,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3341 to 2193. [2021-10-08 15:54:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2193 states, 2144 states have (on average 4.118936567164179) internal successors, (8831), 2192 states have internal predecessors, (8831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 8831 transitions. [2021-10-08 15:54:32,460 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 8831 transitions. Word has length 13 [2021-10-08 15:54:32,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:32,460 INFO L470 AbstractCegarLoop]: Abstraction has 2193 states and 8831 transitions. [2021-10-08 15:54:32,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 8831 transitions. [2021-10-08 15:54:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 15:54:32,462 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:32,463 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1] [2021-10-08 15:54:32,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-10-08 15:54:32,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2021-10-08 15:54:32,679 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:32,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:32,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1809753181, now seen corresponding path program 2 times [2021-10-08 15:54:32,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:32,680 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063283441] [2021-10-08 15:54:32,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:32,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:32,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:32,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063283441] [2021-10-08 15:54:32,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063283441] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:32,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525736293] [2021-10-08 15:54:32,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:54:32,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:32,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:32,904 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:32,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-10-08 15:54:34,441 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:54:34,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:54:34,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 35 conjunts are in the unsatisfiable core [2021-10-08 15:54:34,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:34,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:54:34,556 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:34,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-10-08 15:54:34,621 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:54:34,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:54:34,731 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-10-08 15:54:34,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 18 [2021-10-08 15:54:34,737 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:34,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525736293] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:34,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:34,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-10-08 15:54:34,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965142117] [2021-10-08 15:54:34,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:54:34,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:34,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:54:34,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:54:34,740 INFO L87 Difference]: Start difference. First operand 2193 states and 8831 transitions. Second operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:35,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:35,345 INFO L93 Difference]: Finished difference Result 2776 states and 10408 transitions. [2021-10-08 15:54:35,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:54:35,346 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-08 15:54:35,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:35,354 INFO L225 Difference]: With dead ends: 2776 [2021-10-08 15:54:35,355 INFO L226 Difference]: Without dead ends: 2776 [2021-10-08 15:54:35,355 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 342.1ms TimeCoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2021-10-08 15:54:35,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2776 states. [2021-10-08 15:54:35,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2776 to 2061. [2021-10-08 15:54:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2061 states, 2012 states have (on average 4.0173956262425445) internal successors, (8083), 2060 states have internal predecessors, (8083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:35,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 8083 transitions. [2021-10-08 15:54:35,401 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 8083 transitions. Word has length 13 [2021-10-08 15:54:35,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:35,402 INFO L470 AbstractCegarLoop]: Abstraction has 2061 states and 8083 transitions. [2021-10-08 15:54:35,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 8083 transitions. [2021-10-08 15:54:35,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:54:35,404 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:35,404 INFO L512 BasicCegarLoop]: trace histogram [5, 3, 1, 1, 1, 1, 1, 1] [2021-10-08 15:54:35,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2021-10-08 15:54:35,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-10-08 15:54:35,618 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:35,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:35,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1392839081, now seen corresponding path program 5 times [2021-10-08 15:54:35,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:35,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043501912] [2021-10-08 15:54:35,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:35,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:36,028 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:36,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:36,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043501912] [2021-10-08 15:54:36,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043501912] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:36,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958398495] [2021-10-08 15:54:36,029 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 15:54:36,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:36,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:36,031 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:36,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-10-08 15:54:37,565 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-08 15:54:37,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:54:37,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:54:37,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:37,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:54:37,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-10-08 15:54:37,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:54:37,808 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:37,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-10-08 15:54:37,888 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:37,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 15:54:37,973 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:37,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:54:40,830 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:40,831 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958398495] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:40,831 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:40,831 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-10-08 15:54:40,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245130617] [2021-10-08 15:54:40,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-08 15:54:40,832 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:40,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-08 15:54:40,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=502, Unknown=0, NotChecked=0, Total=552 [2021-10-08 15:54:40,834 INFO L87 Difference]: Start difference. First operand 2061 states and 8083 transitions. Second operand has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:43,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:43,095 INFO L93 Difference]: Finished difference Result 2429 states and 8811 transitions. [2021-10-08 15:54:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-08 15:54:43,095 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:54:43,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:43,104 INFO L225 Difference]: With dead ends: 2429 [2021-10-08 15:54:43,105 INFO L226 Difference]: Without dead ends: 2429 [2021-10-08 15:54:43,105 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1491.6ms TimeCoverageRelationStatistics Valid=137, Invalid=1123, Unknown=0, NotChecked=0, Total=1260 [2021-10-08 15:54:43,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2429 states. [2021-10-08 15:54:43,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2429 to 2061. [2021-10-08 15:54:43,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2061 states, 2012 states have (on average 3.9766401590457257) internal successors, (8001), 2060 states have internal predecessors, (8001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 8001 transitions. [2021-10-08 15:54:43,153 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 8001 transitions. Word has length 14 [2021-10-08 15:54:43,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:43,153 INFO L470 AbstractCegarLoop]: Abstraction has 2061 states and 8001 transitions. [2021-10-08 15:54:43,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 23 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:43,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 8001 transitions. [2021-10-08 15:54:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:54:43,155 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:43,155 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1] [2021-10-08 15:54:43,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2021-10-08 15:54:43,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-10-08 15:54:43,368 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:43,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:43,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1358395683, now seen corresponding path program 5 times [2021-10-08 15:54:43,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:43,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878609610] [2021-10-08 15:54:43,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:43,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:43,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:43,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878609610] [2021-10-08 15:54:43,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878609610] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:43,586 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891172666] [2021-10-08 15:54:43,586 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 15:54:43,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:43,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:43,593 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:43,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2021-10-08 15:54:45,317 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-10-08 15:54:45,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:54:45,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-08 15:54:45,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:48,764 INFO L354 Elim1Store]: treesize reduction 81, result has 1.2 percent of original size [2021-10-08 15:54:48,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 937 treesize of output 638 [2021-10-08 15:54:50,491 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:50,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891172666] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:50,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:50,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:54:50,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563140803] [2021-10-08 15:54:50,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:54:50,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:50,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:54:50,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:54:50,494 INFO L87 Difference]: Start difference. First operand 2061 states and 8001 transitions. Second operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:52,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:52,574 INFO L93 Difference]: Finished difference Result 2477 states and 8681 transitions. [2021-10-08 15:54:52,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-08 15:54:52,575 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:54:52,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:52,583 INFO L225 Difference]: With dead ends: 2477 [2021-10-08 15:54:52,583 INFO L226 Difference]: Without dead ends: 2455 [2021-10-08 15:54:52,583 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 1224.6ms TimeCoverageRelationStatistics Valid=330, Invalid=1310, Unknown=0, NotChecked=0, Total=1640 [2021-10-08 15:54:52,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2455 states. [2021-10-08 15:54:52,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2455 to 1815. [2021-10-08 15:54:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1766 states have (on average 3.8584371460928653) internal successors, (6814), 1814 states have internal predecessors, (6814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 6814 transitions. [2021-10-08 15:54:52,642 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 6814 transitions. Word has length 14 [2021-10-08 15:54:52,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:52,643 INFO L470 AbstractCegarLoop]: Abstraction has 1815 states and 6814 transitions. [2021-10-08 15:54:52,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 6814 transitions. [2021-10-08 15:54:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:54:52,645 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:52,645 INFO L512 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1] [2021-10-08 15:54:52,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2021-10-08 15:54:52,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,51 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:52,860 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:52,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:52,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2081398563, now seen corresponding path program 5 times [2021-10-08 15:54:52,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:52,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376052567] [2021-10-08 15:54:52,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:52,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:53,200 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:53,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376052567] [2021-10-08 15:54:53,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376052567] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:53,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011227097] [2021-10-08 15:54:53,201 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 15:54:53,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:53,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:53,205 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:53,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2021-10-08 15:54:54,985 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-10-08 15:54:54,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:54:54,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:54:54,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:55,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:54:55,128 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:55,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:54:55,194 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:55,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:54:55,380 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:55,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011227097] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:55,380 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:55,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:54:55,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283221390] [2021-10-08 15:54:55,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:54:55,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:55,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:54:55,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=419, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:54:55,382 INFO L87 Difference]: Start difference. First operand 1815 states and 6814 transitions. Second operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:56,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:54:56,411 INFO L93 Difference]: Finished difference Result 1850 states and 6881 transitions. [2021-10-08 15:54:56,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-08 15:54:56,412 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:54:56,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:54:56,416 INFO L225 Difference]: With dead ends: 1850 [2021-10-08 15:54:56,417 INFO L226 Difference]: Without dead ends: 1850 [2021-10-08 15:54:56,417 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 712.3ms TimeCoverageRelationStatistics Valid=112, Invalid=818, Unknown=0, NotChecked=0, Total=930 [2021-10-08 15:54:56,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2021-10-08 15:54:56,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1824. [2021-10-08 15:54:56,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1824 states, 1775 states have (on average 3.8501408450704226) internal successors, (6834), 1823 states have internal predecessors, (6834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 6834 transitions. [2021-10-08 15:54:56,452 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 6834 transitions. Word has length 14 [2021-10-08 15:54:56,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:54:56,452 INFO L470 AbstractCegarLoop]: Abstraction has 1824 states and 6834 transitions. [2021-10-08 15:54:56,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:54:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 6834 transitions. [2021-10-08 15:54:56,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:54:56,454 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:54:56,454 INFO L512 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1] [2021-10-08 15:54:56,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2021-10-08 15:54:56,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2021-10-08 15:54:56,655 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:54:56,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:54:56,655 INFO L82 PathProgramCache]: Analyzing trace with hash -2081398690, now seen corresponding path program 3 times [2021-10-08 15:54:56,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:54:56,656 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618595565] [2021-10-08 15:54:56,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:54:56,656 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:54:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:54:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:56,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:54:56,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618595565] [2021-10-08 15:54:56,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618595565] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:56,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913393006] [2021-10-08 15:54:56,867 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:54:56,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:54:56,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:54:56,868 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:54:56,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2021-10-08 15:54:58,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 15:54:58,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:54:58,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:54:58,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:54:58,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:54:58,733 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:58,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-10-08 15:54:58,869 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:54:58,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:54:59,063 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:54:59,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913393006] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:54:59,064 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:54:59,064 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:54:59,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888323950] [2021-10-08 15:54:59,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:54:59,065 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:54:59,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:54:59,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=418, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:54:59,066 INFO L87 Difference]: Start difference. First operand 1824 states and 6834 transitions. Second operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:00,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:00,258 INFO L93 Difference]: Finished difference Result 1976 states and 7122 transitions. [2021-10-08 15:55:00,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-08 15:55:00,258 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:55:00,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:00,264 INFO L225 Difference]: With dead ends: 1976 [2021-10-08 15:55:00,265 INFO L226 Difference]: Without dead ends: 1976 [2021-10-08 15:55:00,265 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 755.3ms TimeCoverageRelationStatistics Valid=122, Invalid=870, Unknown=0, NotChecked=0, Total=992 [2021-10-08 15:55:00,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2021-10-08 15:55:00,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1824. [2021-10-08 15:55:00,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1824 states, 1775 states have (on average 3.8467605633802817) internal successors, (6828), 1823 states have internal predecessors, (6828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 6828 transitions. [2021-10-08 15:55:00,306 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 6828 transitions. Word has length 14 [2021-10-08 15:55:00,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:00,306 INFO L470 AbstractCegarLoop]: Abstraction has 1824 states and 6828 transitions. [2021-10-08 15:55:00,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 6828 transitions. [2021-10-08 15:55:00,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:55:00,308 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:00,308 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-08 15:55:00,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2021-10-08 15:55:00,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,53 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:00,510 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:00,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:00,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1251126108, now seen corresponding path program 3 times [2021-10-08 15:55:00,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:00,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15917644] [2021-10-08 15:55:00,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:00,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:00,904 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:00,904 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:00,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15917644] [2021-10-08 15:55:00,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15917644] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:00,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576609746] [2021-10-08 15:55:00,905 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:55:00,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:00,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:00,906 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:00,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2021-10-08 15:55:02,635 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 15:55:02,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:55:02,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:55:02,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:55:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:55:02,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 226 [2021-10-08 15:55:02,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:55:02,910 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:55:02,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 15:55:03,006 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:55:03,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:55:03,316 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:03,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576609746] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:03,369 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:55:03,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:55:03,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248518906] [2021-10-08 15:55:03,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:55:03,370 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:55:03,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:55:03,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:55:03,371 INFO L87 Difference]: Start difference. First operand 1824 states and 6828 transitions. Second operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:07,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:07,083 INFO L93 Difference]: Finished difference Result 3648 states and 12203 transitions. [2021-10-08 15:55:07,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-08 15:55:07,083 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:55:07,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:07,093 INFO L225 Difference]: With dead ends: 3648 [2021-10-08 15:55:07,093 INFO L226 Difference]: Without dead ends: 3648 [2021-10-08 15:55:07,093 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 1999.8ms TimeCoverageRelationStatistics Valid=285, Invalid=1785, Unknown=0, NotChecked=0, Total=2070 [2021-10-08 15:55:07,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3648 states. [2021-10-08 15:55:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3648 to 2382. [2021-10-08 15:55:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 2333 states have (on average 3.891555936562366) internal successors, (9079), 2381 states have internal predecessors, (9079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 9079 transitions. [2021-10-08 15:55:07,162 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 9079 transitions. Word has length 14 [2021-10-08 15:55:07,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:07,163 INFO L470 AbstractCegarLoop]: Abstraction has 2382 states and 9079 transitions. [2021-10-08 15:55:07,163 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 9079 transitions. [2021-10-08 15:55:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:55:07,164 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:07,164 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-08 15:55:07,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2021-10-08 15:55:07,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2021-10-08 15:55:07,365 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:07,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1251126235, now seen corresponding path program 4 times [2021-10-08 15:55:07,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:07,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519384396] [2021-10-08 15:55:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:07,367 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:07,856 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:07,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:07,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519384396] [2021-10-08 15:55:07,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519384396] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:07,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964938582] [2021-10-08 15:55:07,857 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 15:55:07,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:07,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:07,862 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:07,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-10-08 15:55:09,625 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 15:55:09,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:55:09,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-08 15:55:09,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:55:09,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:55:09,853 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:55:09,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 15:55:09,942 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:55:09,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 15:55:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:10,235 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964938582] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:10,235 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:55:10,235 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:55:10,235 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639705125] [2021-10-08 15:55:10,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:55:10,236 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:55:10,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:55:10,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:55:10,237 INFO L87 Difference]: Start difference. First operand 2382 states and 9079 transitions. Second operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:12,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:12,841 INFO L93 Difference]: Finished difference Result 2726 states and 9899 transitions. [2021-10-08 15:55:12,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 15:55:12,842 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:55:12,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:12,848 INFO L225 Difference]: With dead ends: 2726 [2021-10-08 15:55:12,849 INFO L226 Difference]: Without dead ends: 2726 [2021-10-08 15:55:12,849 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 2029.6ms TimeCoverageRelationStatistics Valid=260, Invalid=1222, Unknown=0, NotChecked=0, Total=1482 [2021-10-08 15:55:12,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2021-10-08 15:55:12,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 2349. [2021-10-08 15:55:12,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2349 states, 2300 states have (on average 3.8878260869565215) internal successors, (8942), 2348 states have internal predecessors, (8942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 8942 transitions. [2021-10-08 15:55:12,941 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 8942 transitions. Word has length 14 [2021-10-08 15:55:12,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:12,941 INFO L470 AbstractCegarLoop]: Abstraction has 2349 states and 8942 transitions. [2021-10-08 15:55:12,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 8942 transitions. [2021-10-08 15:55:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:55:12,943 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:12,943 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:55:12,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2021-10-08 15:55:13,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,55 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:13,157 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:13,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:13,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1248653456, now seen corresponding path program 1 times [2021-10-08 15:55:13,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:13,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326308861] [2021-10-08 15:55:13,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:13,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:13,418 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:13,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326308861] [2021-10-08 15:55:13,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326308861] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:13,419 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786868739] [2021-10-08 15:55:13,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:13,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:13,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:13,420 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:13,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-10-08 15:55:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:15,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:55:15,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:55:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:55:15,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-10-08 15:55:15,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:55:15,436 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:55:15,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:55:15,506 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:55:15,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 15:55:15,559 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:55:15,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-10-08 15:55:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:15,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786868739] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:15,705 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:55:15,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-10-08 15:55:15,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083806127] [2021-10-08 15:55:15,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-08 15:55:15,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:55:15,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-08 15:55:15,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2021-10-08 15:55:15,707 INFO L87 Difference]: Start difference. First operand 2349 states and 8942 transitions. Second operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:16,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:16,700 INFO L93 Difference]: Finished difference Result 3475 states and 11704 transitions. [2021-10-08 15:55:16,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-10-08 15:55:16,706 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:55:16,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:16,720 INFO L225 Difference]: With dead ends: 3475 [2021-10-08 15:55:16,720 INFO L226 Difference]: Without dead ends: 3475 [2021-10-08 15:55:16,721 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 573.9ms TimeCoverageRelationStatistics Valid=168, Invalid=702, Unknown=0, NotChecked=0, Total=870 [2021-10-08 15:55:16,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2021-10-08 15:55:16,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 2448. [2021-10-08 15:55:16,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2448 states, 2399 states have (on average 3.835348061692372) internal successors, (9201), 2447 states have internal predecessors, (9201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2448 states and 9201 transitions. [2021-10-08 15:55:16,811 INFO L78 Accepts]: Start accepts. Automaton has 2448 states and 9201 transitions. Word has length 14 [2021-10-08 15:55:16,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:16,811 INFO L470 AbstractCegarLoop]: Abstraction has 2448 states and 9201 transitions. [2021-10-08 15:55:16,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 9201 transitions. [2021-10-08 15:55:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:55:16,814 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:16,814 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-08 15:55:16,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2021-10-08 15:55:17,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,56 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:17,030 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:17,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:17,030 INFO L82 PathProgramCache]: Analyzing trace with hash -600291967, now seen corresponding path program 1 times [2021-10-08 15:55:17,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:17,031 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36794270] [2021-10-08 15:55:17,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:17,031 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:17,448 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:17,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36794270] [2021-10-08 15:55:17,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36794270] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:17,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380253827] [2021-10-08 15:55:17,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:17,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:17,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:17,451 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:17,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-10-08 15:55:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:19,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:55:19,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:55:19,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:55:19,465 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:55:19,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-10-08 15:55:19,539 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:55:19,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:55:19,614 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:55:19,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:55:19,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-10-08 15:55:19,784 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:19,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380253827] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:19,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:55:19,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 19 [2021-10-08 15:55:19,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401119320] [2021-10-08 15:55:19,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-08 15:55:19,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:55:19,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-08 15:55:19,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=376, Unknown=0, NotChecked=0, Total=420 [2021-10-08 15:55:19,787 INFO L87 Difference]: Start difference. First operand 2448 states and 9201 transitions. Second operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:23,014 INFO L93 Difference]: Finished difference Result 3785 states and 12769 transitions. [2021-10-08 15:55:23,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-08 15:55:23,014 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:55:23,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:23,024 INFO L225 Difference]: With dead ends: 3785 [2021-10-08 15:55:23,024 INFO L226 Difference]: Without dead ends: 3785 [2021-10-08 15:55:23,025 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 2303.6ms TimeCoverageRelationStatistics Valid=381, Invalid=1781, Unknown=0, NotChecked=0, Total=2162 [2021-10-08 15:55:23,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2021-10-08 15:55:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 2065. [2021-10-08 15:55:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2065 states, 2016 states have (on average 3.8239087301587302) internal successors, (7709), 2064 states have internal predecessors, (7709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 7709 transitions. [2021-10-08 15:55:23,084 INFO L78 Accepts]: Start accepts. Automaton has 2065 states and 7709 transitions. Word has length 14 [2021-10-08 15:55:23,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:23,085 INFO L470 AbstractCegarLoop]: Abstraction has 2065 states and 7709 transitions. [2021-10-08 15:55:23,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:23,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 7709 transitions. [2021-10-08 15:55:23,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:55:23,086 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:23,086 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-08 15:55:23,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2021-10-08 15:55:23,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,57 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:23,293 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:23,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:23,293 INFO L82 PathProgramCache]: Analyzing trace with hash 821650034, now seen corresponding path program 4 times [2021-10-08 15:55:23,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:23,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237188580] [2021-10-08 15:55:23,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:23,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:23,708 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:23,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:23,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237188580] [2021-10-08 15:55:23,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237188580] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:23,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487790427] [2021-10-08 15:55:23,709 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 15:55:23,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:23,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:23,714 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:23,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2021-10-08 15:55:25,477 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 15:55:25,478 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:55:25,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-08 15:55:25,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:55:25,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:55:25,722 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:55:25,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 15:55:26,060 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:55:26,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 15:55:26,256 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:26,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487790427] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:26,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:55:26,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:55:26,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069759023] [2021-10-08 15:55:26,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:55:26,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:55:26,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:55:26,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:55:26,258 INFO L87 Difference]: Start difference. First operand 2065 states and 7709 transitions. Second operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:29,946 INFO L93 Difference]: Finished difference Result 3502 states and 11961 transitions. [2021-10-08 15:55:29,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-10-08 15:55:29,947 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:55:29,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:29,955 INFO L225 Difference]: With dead ends: 3502 [2021-10-08 15:55:29,956 INFO L226 Difference]: Without dead ends: 3502 [2021-10-08 15:55:29,956 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 2022.5ms TimeCoverageRelationStatistics Valid=254, Invalid=1552, Unknown=0, NotChecked=0, Total=1806 [2021-10-08 15:55:29,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3502 states. [2021-10-08 15:55:29,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3502 to 2014. [2021-10-08 15:55:30,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2014 states, 1965 states have (on average 3.8946564885496184) internal successors, (7653), 2013 states have internal predecessors, (7653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:30,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2014 states to 2014 states and 7653 transitions. [2021-10-08 15:55:30,007 INFO L78 Accepts]: Start accepts. Automaton has 2014 states and 7653 transitions. Word has length 14 [2021-10-08 15:55:30,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:30,007 INFO L470 AbstractCegarLoop]: Abstraction has 2014 states and 7653 transitions. [2021-10-08 15:55:30,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 7653 transitions. [2021-10-08 15:55:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:55:30,009 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:30,009 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-08 15:55:30,045 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2021-10-08 15:55:30,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,58 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:30,220 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:30,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:30,220 INFO L82 PathProgramCache]: Analyzing trace with hash 821649907, now seen corresponding path program 5 times [2021-10-08 15:55:30,221 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:30,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742248578] [2021-10-08 15:55:30,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:30,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:30,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:30,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742248578] [2021-10-08 15:55:30,536 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742248578] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:30,536 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312929081] [2021-10-08 15:55:30,536 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 15:55:30,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:30,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:30,539 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:30,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2021-10-08 15:55:32,357 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-10-08 15:55:32,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:55:32,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:55:32,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:55:32,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:55:32,542 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:55:32,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:55:32,706 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:55:32,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:55:32,826 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:32,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312929081] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:32,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:55:32,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:55:32,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111049504] [2021-10-08 15:55:32,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:55:32,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:55:32,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:55:32,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=418, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:55:32,829 INFO L87 Difference]: Start difference. First operand 2014 states and 7653 transitions. Second operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:34,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:34,369 INFO L93 Difference]: Finished difference Result 2689 states and 9165 transitions. [2021-10-08 15:55:34,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:55:34,374 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:55:34,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:34,384 INFO L225 Difference]: With dead ends: 2689 [2021-10-08 15:55:34,384 INFO L226 Difference]: Without dead ends: 2689 [2021-10-08 15:55:34,385 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 899.3ms TimeCoverageRelationStatistics Valid=112, Invalid=880, Unknown=0, NotChecked=0, Total=992 [2021-10-08 15:55:34,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2021-10-08 15:55:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 1983. [2021-10-08 15:55:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1983 states, 1934 states have (on average 3.8391933815925543) internal successors, (7425), 1982 states have internal predecessors, (7425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 7425 transitions. [2021-10-08 15:55:34,500 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 7425 transitions. Word has length 14 [2021-10-08 15:55:34,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:34,515 INFO L470 AbstractCegarLoop]: Abstraction has 1983 states and 7425 transitions. [2021-10-08 15:55:34,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 7425 transitions. [2021-10-08 15:55:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:55:34,517 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:34,517 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:55:34,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2021-10-08 15:55:34,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable74 [2021-10-08 15:55:34,718 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:34,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:34,719 INFO L82 PathProgramCache]: Analyzing trace with hash 824122686, now seen corresponding path program 2 times [2021-10-08 15:55:34,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:34,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66809598] [2021-10-08 15:55:34,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:34,720 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:35,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:35,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66809598] [2021-10-08 15:55:35,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [66809598] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:35,045 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371438361] [2021-10-08 15:55:35,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:55:35,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:35,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:35,048 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:35,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2021-10-08 15:55:36,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:55:36,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:55:36,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 34 conjunts are in the unsatisfiable core [2021-10-08 15:55:36,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:55:37,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:55:37,059 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:55:37,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:55:37,126 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:55:37,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:55:37,280 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:55:37,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:55:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:37,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371438361] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:37,364 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:55:37,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2021-10-08 15:55:37,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075766188] [2021-10-08 15:55:37,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-08 15:55:37,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:55:37,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-08 15:55:37,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2021-10-08 15:55:37,366 INFO L87 Difference]: Start difference. First operand 1983 states and 7425 transitions. Second operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:38,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:38,991 INFO L93 Difference]: Finished difference Result 3107 states and 10269 transitions. [2021-10-08 15:55:38,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-08 15:55:38,991 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:55:38,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:39,000 INFO L225 Difference]: With dead ends: 3107 [2021-10-08 15:55:39,001 INFO L226 Difference]: Without dead ends: 3107 [2021-10-08 15:55:39,001 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1125.8ms TimeCoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2021-10-08 15:55:39,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2021-10-08 15:55:39,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 1855. [2021-10-08 15:55:39,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1855 states, 1806 states have (on average 3.808970099667774) internal successors, (6879), 1854 states have internal predecessors, (6879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:39,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 6879 transitions. [2021-10-08 15:55:39,044 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 6879 transitions. Word has length 14 [2021-10-08 15:55:39,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:39,044 INFO L470 AbstractCegarLoop]: Abstraction has 1855 states and 6879 transitions. [2021-10-08 15:55:39,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 6879 transitions. [2021-10-08 15:55:39,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-08 15:55:39,045 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:39,045 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-08 15:55:39,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2021-10-08 15:55:39,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,60 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:39,247 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:39,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:39,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1031198437, now seen corresponding path program 6 times [2021-10-08 15:55:39,248 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:39,248 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961989425] [2021-10-08 15:55:39,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:39,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:39,635 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:39,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:39,635 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961989425] [2021-10-08 15:55:39,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961989425] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:39,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030145852] [2021-10-08 15:55:39,636 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 15:55:39,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:39,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:39,638 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:39,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2021-10-08 15:55:41,547 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-10-08 15:55:41,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:55:41,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:55:41,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:55:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:55:41,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 143 treesize of output 135 [2021-10-08 15:55:41,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:55:41,813 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:55:41,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 15:55:42,197 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:55:42,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2021-10-08 15:55:42,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:42,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030145852] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:42,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:55:42,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 20 [2021-10-08 15:55:42,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021808076] [2021-10-08 15:55:42,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-08 15:55:42,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:55:42,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-08 15:55:42,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2021-10-08 15:55:42,254 INFO L87 Difference]: Start difference. First operand 1855 states and 6879 transitions. Second operand has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:45,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:45,714 INFO L93 Difference]: Finished difference Result 3093 states and 10002 transitions. [2021-10-08 15:55:45,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-10-08 15:55:45,714 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-08 15:55:45,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:45,723 INFO L225 Difference]: With dead ends: 3093 [2021-10-08 15:55:45,723 INFO L226 Difference]: Without dead ends: 3093 [2021-10-08 15:55:45,724 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 1872.0ms TimeCoverageRelationStatistics Valid=262, Invalid=1630, Unknown=0, NotChecked=0, Total=1892 [2021-10-08 15:55:45,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3093 states. [2021-10-08 15:55:45,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3093 to 1891. [2021-10-08 15:55:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1891 states, 1842 states have (on average 3.8490770901194353) internal successors, (7090), 1890 states have internal predecessors, (7090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:45,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 7090 transitions. [2021-10-08 15:55:45,775 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 7090 transitions. Word has length 14 [2021-10-08 15:55:45,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:45,775 INFO L470 AbstractCegarLoop]: Abstraction has 1891 states and 7090 transitions. [2021-10-08 15:55:45,775 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:45,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 7090 transitions. [2021-10-08 15:55:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-08 15:55:45,777 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:45,777 INFO L512 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2021-10-08 15:55:45,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2021-10-08 15:55:45,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 61 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-10-08 15:55:45,978 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:45,978 INFO L82 PathProgramCache]: Analyzing trace with hash 228345323, now seen corresponding path program 7 times [2021-10-08 15:55:45,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:45,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229987798] [2021-10-08 15:55:45,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:45,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:46,389 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:46,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:46,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229987798] [2021-10-08 15:55:46,390 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229987798] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:46,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382250537] [2021-10-08 15:55:46,390 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 15:55:46,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:46,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:46,393 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:46,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2021-10-08 15:55:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:48,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:55:48,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:55:48,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:55:48,578 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:55:48,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:55:48,667 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:55:48,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:55:54,800 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:54,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382250537] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:54,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:55:54,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-10-08 15:55:54,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454708291] [2021-10-08 15:55:54,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-08 15:55:54,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:55:54,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-08 15:55:54,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=598, Unknown=0, NotChecked=0, Total=650 [2021-10-08 15:55:54,802 INFO L87 Difference]: Start difference. First operand 1891 states and 7090 transitions. Second operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:58,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:55:58,825 INFO L93 Difference]: Finished difference Result 2917 states and 10027 transitions. [2021-10-08 15:55:58,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-08 15:55:58,826 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-08 15:55:58,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:55:58,833 INFO L225 Difference]: With dead ends: 2917 [2021-10-08 15:55:58,833 INFO L226 Difference]: Without dead ends: 2917 [2021-10-08 15:55:58,833 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2638.3ms TimeCoverageRelationStatistics Valid=141, Invalid=1499, Unknown=0, NotChecked=0, Total=1640 [2021-10-08 15:55:58,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2917 states. [2021-10-08 15:55:58,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2917 to 1993. [2021-10-08 15:55:58,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1993 states, 1944 states have (on average 4.039094650205762) internal successors, (7852), 1992 states have internal predecessors, (7852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 7852 transitions. [2021-10-08 15:55:58,879 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 7852 transitions. Word has length 15 [2021-10-08 15:55:58,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:55:58,879 INFO L470 AbstractCegarLoop]: Abstraction has 1993 states and 7852 transitions. [2021-10-08 15:55:58,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:55:58,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 7852 transitions. [2021-10-08 15:55:58,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-08 15:55:58,880 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:55:58,881 INFO L512 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2021-10-08 15:55:58,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2021-10-08 15:55:59,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2021-10-08 15:55:59,082 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:55:59,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:55:59,082 INFO L82 PathProgramCache]: Analyzing trace with hash 228345211, now seen corresponding path program 6 times [2021-10-08 15:55:59,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:55:59,083 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372628073] [2021-10-08 15:55:59,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:55:59,083 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:55:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:55:59,489 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:55:59,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:55:59,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372628073] [2021-10-08 15:55:59,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372628073] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:55:59,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524688317] [2021-10-08 15:55:59,491 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 15:55:59,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:55:59,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:55:59,493 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:55:59,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-10-08 15:56:01,589 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-10-08 15:56:01,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:56:01,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-08 15:56:01,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:56:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 15:56:01,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-08 15:56:01,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:56:01,968 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:56:01,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 15:56:02,081 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:56:02,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2021-10-08 15:56:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:07,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524688317] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:07,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:56:07,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-10-08 15:56:07,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905772866] [2021-10-08 15:56:07,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-08 15:56:07,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:56:07,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-08 15:56:07,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-10-08 15:56:07,895 INFO L87 Difference]: Start difference. First operand 1993 states and 7852 transitions. Second operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:18,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:56:18,365 INFO L93 Difference]: Finished difference Result 4851 states and 16429 transitions. [2021-10-08 15:56:18,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-08 15:56:18,366 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-08 15:56:18,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:56:18,379 INFO L225 Difference]: With dead ends: 4851 [2021-10-08 15:56:18,380 INFO L226 Difference]: Without dead ends: 4851 [2021-10-08 15:56:18,380 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 432 ImplicationChecksByTransitivity, 5416.9ms TimeCoverageRelationStatistics Valid=263, Invalid=2707, Unknown=0, NotChecked=0, Total=2970 [2021-10-08 15:56:18,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2021-10-08 15:56:18,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 1993. [2021-10-08 15:56:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1993 states, 1944 states have (on average 3.986625514403292) internal successors, (7750), 1992 states have internal predecessors, (7750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 7750 transitions. [2021-10-08 15:56:18,442 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 7750 transitions. Word has length 15 [2021-10-08 15:56:18,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:56:18,442 INFO L470 AbstractCegarLoop]: Abstraction has 1993 states and 7750 transitions. [2021-10-08 15:56:18,443 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 7750 transitions. [2021-10-08 15:56:18,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-08 15:56:18,444 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:56:18,444 INFO L512 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2021-10-08 15:56:18,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-10-08 15:56:18,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-10-08 15:56:18,645 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:56:18,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:56:18,646 INFO L82 PathProgramCache]: Analyzing trace with hash 228345324, now seen corresponding path program 6 times [2021-10-08 15:56:18,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:56:18,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999903138] [2021-10-08 15:56:18,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:56:18,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:56:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:56:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:19,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:56:19,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999903138] [2021-10-08 15:56:19,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999903138] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:19,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550586803] [2021-10-08 15:56:19,222 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 15:56:19,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:56:19,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:56:19,224 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:56:19,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-10-08 15:56:21,510 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-10-08 15:56:21,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:56:21,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:56:21,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:56:21,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:56:21,743 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:56:21,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-10-08 15:56:21,832 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:56:21,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:56:21,915 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:56:21,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:56:25,741 INFO L354 Elim1Store]: treesize reduction 130, result has 2.3 percent of original size [2021-10-08 15:56:25,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 970 treesize of output 660 [2021-10-08 15:56:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:27,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550586803] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:27,394 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:56:27,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-10-08 15:56:27,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113037432] [2021-10-08 15:56:27,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-08 15:56:27,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:56:27,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-08 15:56:27,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-10-08 15:56:27,396 INFO L87 Difference]: Start difference. First operand 1993 states and 7750 transitions. Second operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:30,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:56:30,799 INFO L93 Difference]: Finished difference Result 2653 states and 9155 transitions. [2021-10-08 15:56:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-08 15:56:30,800 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-08 15:56:30,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:56:30,808 INFO L225 Difference]: With dead ends: 2653 [2021-10-08 15:56:30,808 INFO L226 Difference]: Without dead ends: 2653 [2021-10-08 15:56:30,808 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 2212.1ms TimeCoverageRelationStatistics Valid=204, Invalid=1518, Unknown=0, NotChecked=0, Total=1722 [2021-10-08 15:56:30,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2653 states. [2021-10-08 15:56:30,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2653 to 1993. [2021-10-08 15:56:30,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1993 states, 1944 states have (on average 3.934156378600823) internal successors, (7648), 1992 states have internal predecessors, (7648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:30,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 7648 transitions. [2021-10-08 15:56:30,853 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 7648 transitions. Word has length 15 [2021-10-08 15:56:30,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:56:30,854 INFO L470 AbstractCegarLoop]: Abstraction has 1993 states and 7648 transitions. [2021-10-08 15:56:30,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:30,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 7648 transitions. [2021-10-08 15:56:30,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-08 15:56:30,855 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:56:30,855 INFO L512 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2021-10-08 15:56:30,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2021-10-08 15:56:31,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,64 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:56:31,057 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:56:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:56:31,058 INFO L82 PathProgramCache]: Analyzing trace with hash 228345316, now seen corresponding path program 4 times [2021-10-08 15:56:31,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:56:31,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699759978] [2021-10-08 15:56:31,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:56:31,059 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:56:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:56:31,545 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:31,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:56:31,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699759978] [2021-10-08 15:56:31,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699759978] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:31,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874020072] [2021-10-08 15:56:31,547 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 15:56:31,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:56:31,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:56:31,549 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:56:31,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2021-10-08 15:56:33,972 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 15:56:33,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:56:33,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-08 15:56:33,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:56:34,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:56:34,209 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:56:34,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:56:34,284 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:56:34,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:56:34,378 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:56:34,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:56:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:40,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874020072] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:40,476 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:56:40,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-10-08 15:56:40,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554426675] [2021-10-08 15:56:40,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-08 15:56:40,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:56:40,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-08 15:56:40,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=592, Unknown=0, NotChecked=0, Total=650 [2021-10-08 15:56:40,477 INFO L87 Difference]: Start difference. First operand 1993 states and 7648 transitions. Second operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:44,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:56:44,120 INFO L93 Difference]: Finished difference Result 2551 states and 8797 transitions. [2021-10-08 15:56:44,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-08 15:56:44,121 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-08 15:56:44,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:56:44,130 INFO L225 Difference]: With dead ends: 2551 [2021-10-08 15:56:44,130 INFO L226 Difference]: Without dead ends: 2551 [2021-10-08 15:56:44,131 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2853.4ms TimeCoverageRelationStatistics Valid=178, Invalid=1462, Unknown=0, NotChecked=0, Total=1640 [2021-10-08 15:56:44,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2551 states. [2021-10-08 15:56:44,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2551 to 1993. [2021-10-08 15:56:44,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1993 states, 1944 states have (on average 3.8816872427983538) internal successors, (7546), 1992 states have internal predecessors, (7546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1993 states and 7546 transitions. [2021-10-08 15:56:44,175 INFO L78 Accepts]: Start accepts. Automaton has 1993 states and 7546 transitions. Word has length 15 [2021-10-08 15:56:44,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:56:44,176 INFO L470 AbstractCegarLoop]: Abstraction has 1993 states and 7546 transitions. [2021-10-08 15:56:44,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 7546 transitions. [2021-10-08 15:56:44,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-08 15:56:44,177 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:56:44,177 INFO L512 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-08 15:56:44,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2021-10-08 15:56:44,378 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 65 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable80 [2021-10-08 15:56:44,378 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:56:44,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:56:44,379 INFO L82 PathProgramCache]: Analyzing trace with hash -98851795, now seen corresponding path program 5 times [2021-10-08 15:56:44,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:56:44,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060182247] [2021-10-08 15:56:44,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:56:44,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:56:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:56:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:44,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:56:44,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060182247] [2021-10-08 15:56:44,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060182247] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:44,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031602806] [2021-10-08 15:56:44,759 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 15:56:44,759 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:56:44,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:56:44,761 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:56:44,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2021-10-08 15:56:47,249 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-10-08 15:56:47,249 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:56:47,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-08 15:56:47,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:56:47,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:56:47,435 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:56:47,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:56:47,509 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:56:47,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:56:47,784 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:56:47,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:56:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:47,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031602806] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:47,825 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:56:47,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-10-08 15:56:47,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828997498] [2021-10-08 15:56:47,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-08 15:56:47,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:56:47,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-08 15:56:47,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=500, Unknown=0, NotChecked=0, Total=552 [2021-10-08 15:56:47,827 INFO L87 Difference]: Start difference. First operand 1993 states and 7546 transitions. Second operand has 24 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:49,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:56:49,377 INFO L93 Difference]: Finished difference Result 2719 states and 9259 transitions. [2021-10-08 15:56:49,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 15:56:49,378 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-08 15:56:49,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:56:49,385 INFO L225 Difference]: With dead ends: 2719 [2021-10-08 15:56:49,385 INFO L226 Difference]: Without dead ends: 2719 [2021-10-08 15:56:49,385 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 994.9ms TimeCoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2021-10-08 15:56:49,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2021-10-08 15:56:49,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 1885. [2021-10-08 15:56:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1885 states, 1836 states have (on average 3.7712418300653594) internal successors, (6924), 1884 states have internal predecessors, (6924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:49,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1885 states and 6924 transitions. [2021-10-08 15:56:49,427 INFO L78 Accepts]: Start accepts. Automaton has 1885 states and 6924 transitions. Word has length 15 [2021-10-08 15:56:49,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:56:49,427 INFO L470 AbstractCegarLoop]: Abstraction has 1885 states and 6924 transitions. [2021-10-08 15:56:49,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 23 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 6924 transitions. [2021-10-08 15:56:49,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-08 15:56:49,429 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:56:49,429 INFO L512 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:56:49,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2021-10-08 15:56:49,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,66 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:56:49,631 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:56:49,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:56:49,631 INFO L82 PathProgramCache]: Analyzing trace with hash -29765105, now seen corresponding path program 1 times [2021-10-08 15:56:49,632 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:56:49,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574311747] [2021-10-08 15:56:49,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:56:49,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:56:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:56:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-08 15:56:49,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:56:49,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574311747] [2021-10-08 15:56:49,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574311747] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:49,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16475660] [2021-10-08 15:56:49,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:56:49,752 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:56:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:56:49,758 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:56:49,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2021-10-08 15:56:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:56:52,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 25 conjunts are in the unsatisfiable core [2021-10-08 15:56:52,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:56:52,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 88 [2021-10-08 15:56:53,338 INFO L354 Elim1Store]: treesize reduction 72, result has 20.9 percent of original size [2021-10-08 15:56:53,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 44 [2021-10-08 15:56:53,388 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-08 15:56:53,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 30 [2021-10-08 15:56:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-08 15:56:53,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16475660] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:53,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:56:53,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 14 [2021-10-08 15:56:53,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157098717] [2021-10-08 15:56:53,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-08 15:56:53,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:56:53,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-08 15:56:53,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-10-08 15:56:53,414 INFO L87 Difference]: Start difference. First operand 1885 states and 6924 transitions. Second operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:54,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:56:54,654 INFO L93 Difference]: Finished difference Result 3489 states and 11767 transitions. [2021-10-08 15:56:54,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-08 15:56:54,655 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-08 15:56:54,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:56:54,664 INFO L225 Difference]: With dead ends: 3489 [2021-10-08 15:56:54,664 INFO L226 Difference]: Without dead ends: 3489 [2021-10-08 15:56:54,664 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 619.3ms TimeCoverageRelationStatistics Valid=251, Invalid=939, Unknown=0, NotChecked=0, Total=1190 [2021-10-08 15:56:54,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3489 states. [2021-10-08 15:56:54,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3489 to 1693. [2021-10-08 15:56:54,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1649 states have (on average 3.730139478471801) internal successors, (6151), 1692 states have internal predecessors, (6151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:54,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 6151 transitions. [2021-10-08 15:56:54,708 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 6151 transitions. Word has length 15 [2021-10-08 15:56:54,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:56:54,708 INFO L470 AbstractCegarLoop]: Abstraction has 1693 states and 6151 transitions. [2021-10-08 15:56:54,708 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:54,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 6151 transitions. [2021-10-08 15:56:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-08 15:56:54,709 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:56:54,709 INFO L512 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-08 15:56:54,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2021-10-08 15:56:54,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,67 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:56:54,910 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:56:54,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:56:54,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1681557934, now seen corresponding path program 2 times [2021-10-08 15:56:54,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:56:54,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569776786] [2021-10-08 15:56:54,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:56:54,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:56:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:56:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:55,304 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:56:55,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569776786] [2021-10-08 15:56:55,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569776786] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:55,305 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198878951] [2021-10-08 15:56:55,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:56:55,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:56:55,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:56:55,306 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:56:55,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2021-10-08 15:56:57,870 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:56:57,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:56:57,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:56:57,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:56:57,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 134 [2021-10-08 15:56:57,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2021-10-08 15:56:57,997 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:56:57,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 40 [2021-10-08 15:56:58,063 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:56:58,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 15:56:58,106 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 15:56:58,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 15:56:58,202 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:56:58,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-10-08 15:56:58,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2021-10-08 15:56:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:58,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198878951] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:58,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:56:58,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 13 [2021-10-08 15:56:58,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18922300] [2021-10-08 15:56:58,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-08 15:56:58,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:56:58,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-08 15:56:58,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-10-08 15:56:58,271 INFO L87 Difference]: Start difference. First operand 1693 states and 6151 transitions. Second operand has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:59,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:56:59,070 INFO L93 Difference]: Finished difference Result 2830 states and 9123 transitions. [2021-10-08 15:56:59,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-08 15:56:59,070 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-10-08 15:56:59,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:56:59,077 INFO L225 Difference]: With dead ends: 2830 [2021-10-08 15:56:59,078 INFO L226 Difference]: Without dead ends: 2830 [2021-10-08 15:56:59,078 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 517.3ms TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2021-10-08 15:56:59,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2021-10-08 15:56:59,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 1517. [2021-10-08 15:56:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1517 states, 1473 states have (on average 3.69857433808554) internal successors, (5448), 1516 states have internal predecessors, (5448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1517 states and 5448 transitions. [2021-10-08 15:56:59,115 INFO L78 Accepts]: Start accepts. Automaton has 1517 states and 5448 transitions. Word has length 15 [2021-10-08 15:56:59,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:56:59,115 INFO L470 AbstractCegarLoop]: Abstraction has 1517 states and 5448 transitions. [2021-10-08 15:56:59,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:56:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 5448 transitions. [2021-10-08 15:56:59,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-08 15:56:59,116 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:56:59,116 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2021-10-08 15:56:59,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Forceful destruction successful, exit code 0 [2021-10-08 15:56:59,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable83 [2021-10-08 15:56:59,317 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:56:59,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:56:59,318 INFO L82 PathProgramCache]: Analyzing trace with hash -1511226279, now seen corresponding path program 8 times [2021-10-08 15:56:59,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:56:59,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949562099] [2021-10-08 15:56:59,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:56:59,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:56:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:56:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:56:59,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:56:59,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949562099] [2021-10-08 15:56:59,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949562099] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:56:59,560 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159474492] [2021-10-08 15:56:59,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:56:59,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:56:59,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:56:59,562 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:56:59,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2021-10-08 15:57:02,215 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:57:02,216 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:57:02,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 20 conjunts are in the unsatisfiable core [2021-10-08 15:57:02,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:08,897 INFO L354 Elim1Store]: treesize reduction 144, result has 0.7 percent of original size [2021-10-08 15:57:08,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 1632 treesize of output 843 [2021-10-08 15:57:10,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:10,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159474492] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:10,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:10,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-10-08 15:57:10,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253190277] [2021-10-08 15:57:10,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-08 15:57:10,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:10,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-08 15:57:10,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=509, Unknown=0, NotChecked=0, Total=650 [2021-10-08 15:57:10,530 INFO L87 Difference]: Start difference. First operand 1517 states and 5448 transitions. Second operand has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:14,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:14,770 INFO L93 Difference]: Finished difference Result 2456 states and 8355 transitions. [2021-10-08 15:57:14,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-10-08 15:57:14,771 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-08 15:57:14,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:14,777 INFO L225 Difference]: With dead ends: 2456 [2021-10-08 15:57:14,777 INFO L226 Difference]: Without dead ends: 2430 [2021-10-08 15:57:14,778 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 3748.8ms TimeCoverageRelationStatistics Valid=413, Invalid=1749, Unknown=0, NotChecked=0, Total=2162 [2021-10-08 15:57:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2021-10-08 15:57:14,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 1656. [2021-10-08 15:57:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1612 states have (on average 3.6693548387096775) internal successors, (5915), 1655 states have internal predecessors, (5915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 5915 transitions. [2021-10-08 15:57:14,845 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 5915 transitions. Word has length 16 [2021-10-08 15:57:14,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:14,845 INFO L470 AbstractCegarLoop]: Abstraction has 1656 states and 5915 transitions. [2021-10-08 15:57:14,845 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 5915 transitions. [2021-10-08 15:57:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-08 15:57:14,847 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:14,847 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:14,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2021-10-08 15:57:15,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,69 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:15,048 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:57:15,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:15,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1146352793, now seen corresponding path program 2 times [2021-10-08 15:57:15,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:15,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577303914] [2021-10-08 15:57:15,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:15,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:15,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:15,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577303914] [2021-10-08 15:57:15,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577303914] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:15,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020734905] [2021-10-08 15:57:15,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:57:15,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:15,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:15,204 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:15,229 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2021-10-08 15:57:17,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:57:17,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:57:17,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 19 conjunts are in the unsatisfiable core [2021-10-08 15:57:17,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:18,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020734905] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:18,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:18,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-10-08 15:57:18,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713414102] [2021-10-08 15:57:18,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-08 15:57:18,203 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:18,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-08 15:57:18,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2021-10-08 15:57:18,204 INFO L87 Difference]: Start difference. First operand 1656 states and 5915 transitions. Second operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:18,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:57:18,746 INFO L93 Difference]: Finished difference Result 1700 states and 5950 transitions. [2021-10-08 15:57:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-08 15:57:18,747 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-10-08 15:57:18,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:57:18,751 INFO L225 Difference]: With dead ends: 1700 [2021-10-08 15:57:18,751 INFO L226 Difference]: Without dead ends: 1526 [2021-10-08 15:57:18,751 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 305.7ms TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2021-10-08 15:57:18,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2021-10-08 15:57:18,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1516. [2021-10-08 15:57:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1516 states, 1472 states have (on average 3.686820652173913) internal successors, (5427), 1515 states have internal predecessors, (5427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 5427 transitions. [2021-10-08 15:57:18,780 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 5427 transitions. Word has length 16 [2021-10-08 15:57:18,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:57:18,781 INFO L470 AbstractCegarLoop]: Abstraction has 1516 states and 5427 transitions. [2021-10-08 15:57:18,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:57:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 5427 transitions. [2021-10-08 15:57:18,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:57:18,782 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:57:18,782 INFO L512 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1] [2021-10-08 15:57:18,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2021-10-08 15:57:18,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85,70 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:18,983 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:57:18,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:57:18,984 INFO L82 PathProgramCache]: Analyzing trace with hash -862895390, now seen corresponding path program 9 times [2021-10-08 15:57:18,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:57:18,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196916801] [2021-10-08 15:57:18,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:57:18,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:57:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:57:19,530 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:19,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:57:19,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196916801] [2021-10-08 15:57:19,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196916801] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:19,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099928646] [2021-10-08 15:57:19,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:57:19,531 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:57:19,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:57:19,533 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:57:19,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-10-08 15:57:22,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-08 15:57:22,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:57:22,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-08 15:57:22,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:57:22,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 71 [2021-10-08 15:57:22,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:57:22,908 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:57:22,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:57:23,031 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:57:23,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 34 [2021-10-08 15:57:43,012 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:57:43,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099928646] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:57:43,012 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:57:43,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 28 [2021-10-08 15:57:43,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412243322] [2021-10-08 15:57:43,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-08 15:57:43,013 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:57:43,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-08 15:57:43,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=796, Unknown=0, NotChecked=0, Total=870 [2021-10-08 15:57:43,014 INFO L87 Difference]: Start difference. First operand 1516 states and 5427 transitions. Second operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:00,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:00,444 INFO L93 Difference]: Finished difference Result 4475 states and 14544 transitions. [2021-10-08 15:58:00,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-10-08 15:58:00,445 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-08 15:58:00,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:00,456 INFO L225 Difference]: With dead ends: 4475 [2021-10-08 15:58:00,457 INFO L226 Difference]: Without dead ends: 4475 [2021-10-08 15:58:00,457 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 774 ImplicationChecksByTransitivity, 9426.4ms TimeCoverageRelationStatistics Valid=358, Invalid=4334, Unknown=0, NotChecked=0, Total=4692 [2021-10-08 15:58:00,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4475 states. [2021-10-08 15:58:00,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4475 to 1592. [2021-10-08 15:58:00,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1548 states have (on average 3.86046511627907) internal successors, (5976), 1591 states have internal predecessors, (5976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 5976 transitions. [2021-10-08 15:58:00,505 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 5976 transitions. Word has length 17 [2021-10-08 15:58:00,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:00,505 INFO L470 AbstractCegarLoop]: Abstraction has 1592 states and 5976 transitions. [2021-10-08 15:58:00,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:00,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 5976 transitions. [2021-10-08 15:58:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:58:00,507 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:00,507 INFO L512 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:00,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:00,707 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,71 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:00,708 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:58:00,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:00,708 INFO L82 PathProgramCache]: Analyzing trace with hash -862895502, now seen corresponding path program 7 times [2021-10-08 15:58:00,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:00,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591690496] [2021-10-08 15:58:00,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:00,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:01,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:01,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591690496] [2021-10-08 15:58:01,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591690496] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:01,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307270354] [2021-10-08 15:58:01,208 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 15:58:01,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:01,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:01,209 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:01,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2021-10-08 15:58:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:04,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-08 15:58:04,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:04,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:58:04,554 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:04,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:58:04,662 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:04,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:58:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:22,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307270354] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:22,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:22,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 28 [2021-10-08 15:58:22,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816950131] [2021-10-08 15:58:22,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-08 15:58:22,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:22,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-08 15:58:22,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=811, Unknown=0, NotChecked=0, Total=870 [2021-10-08 15:58:22,111 INFO L87 Difference]: Start difference. First operand 1592 states and 5976 transitions. Second operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:29,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:29,980 INFO L93 Difference]: Finished difference Result 2690 states and 8915 transitions. [2021-10-08 15:58:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-08 15:58:29,981 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-08 15:58:29,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:29,989 INFO L225 Difference]: With dead ends: 2690 [2021-10-08 15:58:29,989 INFO L226 Difference]: Without dead ends: 2690 [2021-10-08 15:58:29,989 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 6674.9ms TimeCoverageRelationStatistics Valid=159, Invalid=2003, Unknown=0, NotChecked=0, Total=2162 [2021-10-08 15:58:29,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2021-10-08 15:58:30,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 1592. [2021-10-08 15:58:30,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1548 states have (on average 3.8113695090439275) internal successors, (5900), 1591 states have internal predecessors, (5900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:30,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 5900 transitions. [2021-10-08 15:58:30,035 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 5900 transitions. Word has length 17 [2021-10-08 15:58:30,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:30,036 INFO L470 AbstractCegarLoop]: Abstraction has 1592 states and 5900 transitions. [2021-10-08 15:58:30,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:30,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 5900 transitions. [2021-10-08 15:58:30,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:58:30,037 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:30,037 INFO L512 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:30,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:30,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87,72 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:30,251 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:58:30,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:30,251 INFO L82 PathProgramCache]: Analyzing trace with hash -862895389, now seen corresponding path program 7 times [2021-10-08 15:58:30,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:30,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442229998] [2021-10-08 15:58:30,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:30,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:30,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:30,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442229998] [2021-10-08 15:58:30,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442229998] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:30,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861118316] [2021-10-08 15:58:30,940 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 15:58:30,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:30,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:30,942 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:30,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2021-10-08 15:58:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:34,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-08 15:58:34,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:34,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 15:58:34,391 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:34,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-10-08 15:58:34,478 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:34,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:58:34,579 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:34,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:58:41,475 INFO L354 Elim1Store]: treesize reduction 208, result has 1.4 percent of original size [2021-10-08 15:58:41,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1693 treesize of output 854 [2021-10-08 15:58:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:43,665 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861118316] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:43,666 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:58:43,666 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 28 [2021-10-08 15:58:43,666 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485973329] [2021-10-08 15:58:43,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-08 15:58:43,667 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:58:43,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-08 15:58:43,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=806, Unknown=0, NotChecked=0, Total=870 [2021-10-08 15:58:43,668 INFO L87 Difference]: Start difference. First operand 1592 states and 5900 transitions. Second operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:49,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:58:49,804 INFO L93 Difference]: Finished difference Result 2622 states and 8676 transitions. [2021-10-08 15:58:49,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-08 15:58:49,805 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-08 15:58:49,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:58:49,812 INFO L225 Difference]: With dead ends: 2622 [2021-10-08 15:58:49,813 INFO L226 Difference]: Without dead ends: 2622 [2021-10-08 15:58:49,813 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 4480.8ms TimeCoverageRelationStatistics Valid=223, Invalid=2129, Unknown=0, NotChecked=0, Total=2352 [2021-10-08 15:58:49,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2622 states. [2021-10-08 15:58:49,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2622 to 1592. [2021-10-08 15:58:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1548 states have (on average 3.7622739018087854) internal successors, (5824), 1591 states have internal predecessors, (5824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 5824 transitions. [2021-10-08 15:58:49,851 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 5824 transitions. Word has length 17 [2021-10-08 15:58:49,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:58:49,851 INFO L470 AbstractCegarLoop]: Abstraction has 1592 states and 5824 transitions. [2021-10-08 15:58:49,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:58:49,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 5824 transitions. [2021-10-08 15:58:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:58:49,852 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:58:49,852 INFO L512 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1] [2021-10-08 15:58:49,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Forceful destruction successful, exit code 0 [2021-10-08 15:58:50,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2021-10-08 15:58:50,054 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:58:50,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:58:50,055 INFO L82 PathProgramCache]: Analyzing trace with hash -862895397, now seen corresponding path program 5 times [2021-10-08 15:58:50,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:58:50,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018615934] [2021-10-08 15:58:50,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:58:50,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:58:50,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:58:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:58:50,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:58:50,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018615934] [2021-10-08 15:58:50,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018615934] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:58:50,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315102533] [2021-10-08 15:58:50,889 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 15:58:50,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:58:50,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:58:50,893 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:58:50,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2021-10-08 15:58:54,322 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-08 15:58:54,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:58:54,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-08 15:58:54,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:58:54,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:58:54,654 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:54,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:58:54,737 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:54,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:58:54,843 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:58:54,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:59:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:59:12,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315102533] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:12,006 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:59:12,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 28 [2021-10-08 15:59:12,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125247862] [2021-10-08 15:59:12,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-08 15:59:12,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:59:12,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-08 15:59:12,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=805, Unknown=0, NotChecked=0, Total=870 [2021-10-08 15:59:12,007 INFO L87 Difference]: Start difference. First operand 1592 states and 5824 transitions. Second operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:21,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:59:21,008 INFO L93 Difference]: Finished difference Result 2546 states and 8427 transitions. [2021-10-08 15:59:21,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-08 15:59:21,009 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-08 15:59:21,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:59:21,016 INFO L225 Difference]: With dead ends: 2546 [2021-10-08 15:59:21,016 INFO L226 Difference]: Without dead ends: 2546 [2021-10-08 15:59:21,017 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 7165.5ms TimeCoverageRelationStatistics Valid=213, Invalid=2139, Unknown=0, NotChecked=0, Total=2352 [2021-10-08 15:59:21,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2021-10-08 15:59:21,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 1592. [2021-10-08 15:59:21,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1548 states have (on average 3.7131782945736433) internal successors, (5748), 1591 states have internal predecessors, (5748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:21,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 5748 transitions. [2021-10-08 15:59:21,053 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 5748 transitions. Word has length 17 [2021-10-08 15:59:21,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:59:21,053 INFO L470 AbstractCegarLoop]: Abstraction has 1592 states and 5748 transitions. [2021-10-08 15:59:21,053 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:21,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 5748 transitions. [2021-10-08 15:59:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:59:21,054 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:59:21,054 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1] [2021-10-08 15:59:21,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2021-10-08 15:59:21,256 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-10-08 15:59:21,257 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:59:21,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:59:21,257 INFO L82 PathProgramCache]: Analyzing trace with hash -500494556, now seen corresponding path program 6 times [2021-10-08 15:59:21,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:59:21,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257152603] [2021-10-08 15:59:21,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:59:21,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:59:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:59:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:59:21,641 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:59:21,641 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257152603] [2021-10-08 15:59:21,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257152603] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:21,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184941152] [2021-10-08 15:59:21,643 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 15:59:21,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:59:21,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:59:21,646 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:59:21,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2021-10-08 15:59:25,217 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-10-08 15:59:25,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:59:25,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:59:25,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:59:25,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 15:59:25,489 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:59:25,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 15:59:25,987 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:59:25,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184941152] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:25,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:59:25,987 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-10-08 15:59:25,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390168567] [2021-10-08 15:59:25,988 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-08 15:59:25,988 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:59:25,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-08 15:59:25,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-10-08 15:59:25,989 INFO L87 Difference]: Start difference. First operand 1592 states and 5748 transitions. Second operand has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:29,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:59:29,253 INFO L93 Difference]: Finished difference Result 1665 states and 5908 transitions. [2021-10-08 15:59:29,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-08 15:59:29,254 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-08 15:59:29,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:59:29,258 INFO L225 Difference]: With dead ends: 1665 [2021-10-08 15:59:29,258 INFO L226 Difference]: Without dead ends: 1665 [2021-10-08 15:59:29,258 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 2377.2ms TimeCoverageRelationStatistics Valid=288, Invalid=2574, Unknown=0, NotChecked=0, Total=2862 [2021-10-08 15:59:29,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2021-10-08 15:59:29,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 1618. [2021-10-08 15:59:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1618 states, 1574 states have (on average 3.7026683608640405) internal successors, (5828), 1617 states have internal predecessors, (5828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1618 states and 5828 transitions. [2021-10-08 15:59:29,291 INFO L78 Accepts]: Start accepts. Automaton has 1618 states and 5828 transitions. Word has length 17 [2021-10-08 15:59:29,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:59:29,291 INFO L470 AbstractCegarLoop]: Abstraction has 1618 states and 5828 transitions. [2021-10-08 15:59:29,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 5828 transitions. [2021-10-08 15:59:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:59:29,293 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:59:29,293 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1] [2021-10-08 15:59:29,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Forceful destruction successful, exit code 0 [2021-10-08 15:59:29,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,75 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:59:29,494 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:59:29,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:59:29,495 INFO L82 PathProgramCache]: Analyzing trace with hash -500494683, now seen corresponding path program 4 times [2021-10-08 15:59:29,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:59:29,495 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944496803] [2021-10-08 15:59:29,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:59:29,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:59:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:59:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:59:29,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:59:29,807 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944496803] [2021-10-08 15:59:29,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944496803] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:29,808 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71020077] [2021-10-08 15:59:29,808 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 15:59:29,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:59:29,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:59:29,810 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:59:29,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2021-10-08 15:59:33,341 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 15:59:33,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:59:33,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 37 conjunts are in the unsatisfiable core [2021-10-08 15:59:33,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:59:33,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:59:33,607 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:59:33,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 15:59:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:59:34,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71020077] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:34,222 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:59:34,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-10-08 15:59:34,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179178598] [2021-10-08 15:59:34,222 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-08 15:59:34,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:59:34,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-08 15:59:34,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=589, Unknown=0, NotChecked=0, Total=650 [2021-10-08 15:59:34,223 INFO L87 Difference]: Start difference. First operand 1618 states and 5828 transitions. Second operand has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:38,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:59:38,714 INFO L93 Difference]: Finished difference Result 1803 states and 6188 transitions. [2021-10-08 15:59:38,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-08 15:59:38,715 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-08 15:59:38,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:59:38,723 INFO L225 Difference]: With dead ends: 1803 [2021-10-08 15:59:38,723 INFO L226 Difference]: Without dead ends: 1803 [2021-10-08 15:59:38,724 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 2244.3ms TimeCoverageRelationStatistics Valid=275, Invalid=2481, Unknown=0, NotChecked=0, Total=2756 [2021-10-08 15:59:38,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2021-10-08 15:59:38,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1617. [2021-10-08 15:59:38,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1573 states have (on average 3.697393515575334) internal successors, (5816), 1616 states have internal predecessors, (5816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 5816 transitions. [2021-10-08 15:59:38,774 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 5816 transitions. Word has length 17 [2021-10-08 15:59:38,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:59:38,774 INFO L470 AbstractCegarLoop]: Abstraction has 1617 states and 5816 transitions. [2021-10-08 15:59:38,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 5816 transitions. [2021-10-08 15:59:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:59:38,776 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:59:38,776 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:59:38,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Forceful destruction successful, exit code 0 [2021-10-08 15:59:38,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,76 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:59:38,990 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:59:38,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:59:38,990 INFO L82 PathProgramCache]: Analyzing trace with hash -498021904, now seen corresponding path program 3 times [2021-10-08 15:59:38,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:59:38,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928226402] [2021-10-08 15:59:38,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:59:38,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:59:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:59:39,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:59:39,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:59:39,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928226402] [2021-10-08 15:59:39,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928226402] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:39,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098712378] [2021-10-08 15:59:39,363 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:59:39,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:59:39,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:59:39,365 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:59:39,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2021-10-08 15:59:42,921 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 15:59:42,921 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:59:42,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 38 conjunts are in the unsatisfiable core [2021-10-08 15:59:42,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:59:43,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 15:59:43,071 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:59:43,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 15:59:43,208 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 15:59:43,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 15:59:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:59:43,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098712378] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:43,463 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:59:43,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 22 [2021-10-08 15:59:43,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123642411] [2021-10-08 15:59:43,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-10-08 15:59:43,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:59:43,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-10-08 15:59:43,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=505, Unknown=0, NotChecked=0, Total=552 [2021-10-08 15:59:43,466 INFO L87 Difference]: Start difference. First operand 1617 states and 5816 transitions. Second operand has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:45,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:59:45,426 INFO L93 Difference]: Finished difference Result 2812 states and 9964 transitions. [2021-10-08 15:59:45,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-08 15:59:45,427 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-08 15:59:45,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:59:45,434 INFO L225 Difference]: With dead ends: 2812 [2021-10-08 15:59:45,435 INFO L226 Difference]: Without dead ends: 2812 [2021-10-08 15:59:45,435 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1264.2ms TimeCoverageRelationStatistics Valid=227, Invalid=1495, Unknown=0, NotChecked=0, Total=1722 [2021-10-08 15:59:45,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2812 states. [2021-10-08 15:59:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2812 to 1776. [2021-10-08 15:59:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1732 states have (on average 3.8158198614318706) internal successors, (6609), 1775 states have internal predecessors, (6609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 6609 transitions. [2021-10-08 15:59:45,492 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 6609 transitions. Word has length 17 [2021-10-08 15:59:45,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:59:45,492 INFO L470 AbstractCegarLoop]: Abstraction has 1776 states and 6609 transitions. [2021-10-08 15:59:45,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 23 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 6609 transitions. [2021-10-08 15:59:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:59:45,494 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:59:45,494 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-08 15:59:45,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Forceful destruction successful, exit code 0 [2021-10-08 15:59:45,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92,77 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:59:45,766 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:59:45,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:59:45,767 INFO L82 PathProgramCache]: Analyzing trace with hash 150339585, now seen corresponding path program 2 times [2021-10-08 15:59:45,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:59:45,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250294236] [2021-10-08 15:59:45,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:59:45,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:59:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:59:46,095 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:59:46,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:59:46,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250294236] [2021-10-08 15:59:46,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250294236] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:46,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347360686] [2021-10-08 15:59:46,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:59:46,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:59:46,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:59:46,098 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:59:46,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2021-10-08 15:59:49,724 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:59:49,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:59:49,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-08 15:59:49,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:59:49,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 15:59:49,969 INFO L354 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2021-10-08 15:59:49,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 49 [2021-10-08 15:59:50,133 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 15:59:50,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-10-08 15:59:50,679 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-08 15:59:50,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 46 [2021-10-08 15:59:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 15:59:50,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347360686] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:50,976 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:59:50,976 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 23 [2021-10-08 15:59:50,976 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887007870] [2021-10-08 15:59:50,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-10-08 15:59:50,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:59:50,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-08 15:59:50,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=543, Unknown=0, NotChecked=0, Total=600 [2021-10-08 15:59:50,978 INFO L87 Difference]: Start difference. First operand 1776 states and 6609 transitions. Second operand has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:56,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:59:56,569 INFO L93 Difference]: Finished difference Result 3344 states and 11812 transitions. [2021-10-08 15:59:56,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-10-08 15:59:56,570 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-08 15:59:56,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:59:56,578 INFO L225 Difference]: With dead ends: 3344 [2021-10-08 15:59:56,578 INFO L226 Difference]: Without dead ends: 3344 [2021-10-08 15:59:56,579 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 4046.4ms TimeCoverageRelationStatistics Valid=500, Invalid=4192, Unknown=0, NotChecked=0, Total=4692 [2021-10-08 15:59:56,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3344 states. [2021-10-08 15:59:56,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3344 to 2038. [2021-10-08 15:59:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2038 states, 1994 states have (on average 3.877131394182548) internal successors, (7731), 2037 states have internal predecessors, (7731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:56,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 2038 states and 7731 transitions. [2021-10-08 15:59:56,626 INFO L78 Accepts]: Start accepts. Automaton has 2038 states and 7731 transitions. Word has length 17 [2021-10-08 15:59:56,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:59:56,626 INFO L470 AbstractCegarLoop]: Abstraction has 2038 states and 7731 transitions. [2021-10-08 15:59:56,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:59:56,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 7731 transitions. [2021-10-08 15:59:56,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:59:56,627 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:59:56,627 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:59:56,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Forceful destruction successful, exit code 0 [2021-10-08 15:59:56,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,78 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:59:56,829 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 15:59:56,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:59:56,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1734567389, now seen corresponding path program 1 times [2021-10-08 15:59:56,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:59:56,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169303559] [2021-10-08 15:59:56,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:59:56,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:59:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:59:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 15:59:57,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:59:57,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169303559] [2021-10-08 15:59:57,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169303559] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:59:57,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981309870] [2021-10-08 15:59:57,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:59:57,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:59:57,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:59:57,114 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 15:59:57,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2021-10-08 16:00:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:00:00,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-08 16:00:00,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:00:00,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 71 [2021-10-08 16:00:01,575 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 16:00:01,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 42 [2021-10-08 16:00:01,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 23 [2021-10-08 16:00:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-08 16:00:01,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981309870] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:01,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:00:01,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 12 [2021-10-08 16:00:01,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063085534] [2021-10-08 16:00:01,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-08 16:00:01,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:00:01,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-08 16:00:01,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-10-08 16:00:01,645 INFO L87 Difference]: Start difference. First operand 2038 states and 7731 transitions. Second operand has 14 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:03,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:00:03,187 INFO L93 Difference]: Finished difference Result 4222 states and 15329 transitions. [2021-10-08 16:00:03,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-10-08 16:00:03,188 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-10-08 16:00:03,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:00:03,199 INFO L225 Difference]: With dead ends: 4222 [2021-10-08 16:00:03,199 INFO L226 Difference]: Without dead ends: 4140 [2021-10-08 16:00:03,200 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 929.5ms TimeCoverageRelationStatistics Valid=319, Invalid=737, Unknown=0, NotChecked=0, Total=1056 [2021-10-08 16:00:03,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4140 states. [2021-10-08 16:00:03,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4140 to 1799. [2021-10-08 16:00:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1760 states have (on average 3.838636363636364) internal successors, (6756), 1798 states have internal predecessors, (6756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:03,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 6756 transitions. [2021-10-08 16:00:03,251 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 6756 transitions. Word has length 17 [2021-10-08 16:00:03,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:00:03,252 INFO L470 AbstractCegarLoop]: Abstraction has 1799 states and 6756 transitions. [2021-10-08 16:00:03,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:03,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 6756 transitions. [2021-10-08 16:00:03,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:00:03,253 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:00:03,253 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1] [2021-10-08 16:00:03,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Forceful destruction successful, exit code 0 [2021-10-08 16:00:03,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,79 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:00:03,454 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:00:03,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:00:03,455 INFO L82 PathProgramCache]: Analyzing trace with hash -979950014, now seen corresponding path program 10 times [2021-10-08 16:00:03,455 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:00:03,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449031682] [2021-10-08 16:00:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:00:03,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:00:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:00:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 21 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:00:04,006 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:00:04,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449031682] [2021-10-08 16:00:04,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449031682] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:04,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087820794] [2021-10-08 16:00:04,007 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 16:00:04,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:00:04,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:00:04,008 INFO L229 MonitoredProcess]: Starting monitored process 80 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:00:04,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2021-10-08 16:00:07,718 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 16:00:07,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:00:07,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-08 16:00:07,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:00:19,382 INFO L354 Elim1Store]: treesize reduction 210, result has 0.5 percent of original size [2021-10-08 16:00:19,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 3003 treesize of output 1272 [2021-10-08 16:00:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:00:22,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087820794] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:22,314 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:00:22,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 28 [2021-10-08 16:00:22,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683735483] [2021-10-08 16:00:22,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-10-08 16:00:22,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:00:22,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-10-08 16:00:22,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=688, Unknown=0, NotChecked=0, Total=870 [2021-10-08 16:00:22,316 INFO L87 Difference]: Start difference. First operand 1799 states and 6756 transitions. Second operand has 30 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:30,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:00:30,532 INFO L93 Difference]: Finished difference Result 3211 states and 11352 transitions. [2021-10-08 16:00:30,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-08 16:00:30,533 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:00:30,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:00:30,544 INFO L225 Difference]: With dead ends: 3211 [2021-10-08 16:00:30,544 INFO L226 Difference]: Without dead ends: 3181 [2021-10-08 16:00:30,545 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 7826.9ms TimeCoverageRelationStatistics Valid=505, Invalid=2357, Unknown=0, NotChecked=0, Total=2862 [2021-10-08 16:00:30,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3181 states. [2021-10-08 16:00:30,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3181 to 1947. [2021-10-08 16:00:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1908 states have (on average 3.798218029350105) internal successors, (7247), 1946 states have internal predecessors, (7247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:30,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 7247 transitions. [2021-10-08 16:00:30,602 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 7247 transitions. Word has length 18 [2021-10-08 16:00:30,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:00:30,602 INFO L470 AbstractCegarLoop]: Abstraction has 1947 states and 7247 transitions. [2021-10-08 16:00:30,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:30,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 7247 transitions. [2021-10-08 16:00:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:00:30,604 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:00:30,604 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-10-08 16:00:30,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Forceful destruction successful, exit code 0 [2021-10-08 16:00:30,805 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,80 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:00:30,805 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:00:30,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:00:30,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1947024236, now seen corresponding path program 6 times [2021-10-08 16:00:30,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:00:30,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868334341] [2021-10-08 16:00:30,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:00:30,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:00:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:00:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:00:31,510 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:00:31,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868334341] [2021-10-08 16:00:31,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868334341] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:31,510 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743336500] [2021-10-08 16:00:31,510 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2021-10-08 16:00:31,511 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:00:31,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:00:31,512 INFO L229 MonitoredProcess]: Starting monitored process 81 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:00:31,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2021-10-08 16:00:35,406 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-10-08 16:00:35,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:00:35,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-08 16:00:35,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:00:35,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 16:00:35,734 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 16:00:35,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 16:00:35,841 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 16:00:35,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 16:00:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:00:36,343 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743336500] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:36,343 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:00:36,343 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2021-10-08 16:00:36,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170589963] [2021-10-08 16:00:36,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-08 16:00:36,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:00:36,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-08 16:00:36,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-10-08 16:00:36,345 INFO L87 Difference]: Start difference. First operand 1947 states and 7247 transitions. Second operand has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:40,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:00:40,293 INFO L93 Difference]: Finished difference Result 3720 states and 13326 transitions. [2021-10-08 16:00:40,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-10-08 16:00:40,293 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:00:40,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:00:40,305 INFO L225 Difference]: With dead ends: 3720 [2021-10-08 16:00:40,305 INFO L226 Difference]: Without dead ends: 3720 [2021-10-08 16:00:40,305 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 2604.7ms TimeCoverageRelationStatistics Valid=244, Invalid=2206, Unknown=0, NotChecked=0, Total=2450 [2021-10-08 16:00:40,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3720 states. [2021-10-08 16:00:40,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3720 to 2523. [2021-10-08 16:00:40,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 2484 states have (on average 3.7657004830917873) internal successors, (9354), 2522 states have internal predecessors, (9354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 9354 transitions. [2021-10-08 16:00:40,404 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 9354 transitions. Word has length 18 [2021-10-08 16:00:40,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:00:40,404 INFO L470 AbstractCegarLoop]: Abstraction has 2523 states and 9354 transitions. [2021-10-08 16:00:40,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:40,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 9354 transitions. [2021-10-08 16:00:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:00:40,406 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:00:40,406 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-10-08 16:00:40,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Ended with exit code 0 [2021-10-08 16:00:40,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96,81 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:00:40,614 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:00:40,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:00:40,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1947024363, now seen corresponding path program 7 times [2021-10-08 16:00:40,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:00:40,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208256480] [2021-10-08 16:00:40,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:00:40,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:00:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:00:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:00:41,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:00:41,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208256480] [2021-10-08 16:00:41,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208256480] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:41,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403095857] [2021-10-08 16:00:41,337 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 16:00:41,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:00:41,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:00:41,339 INFO L229 MonitoredProcess]: Starting monitored process 82 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:00:41,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2021-10-08 16:00:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:00:45,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-08 16:00:45,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:00:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 16:00:45,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-08 16:00:45,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 16:00:45,393 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:00:45,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 16:00:45,457 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:00:45,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 16:00:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:00:45,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403095857] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:45,784 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:00:45,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2021-10-08 16:00:45,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415538984] [2021-10-08 16:00:45,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-08 16:00:45,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:00:45,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-08 16:00:45,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=701, Unknown=0, NotChecked=0, Total=756 [2021-10-08 16:00:45,785 INFO L87 Difference]: Start difference. First operand 2523 states and 9354 transitions. Second operand has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:48,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:00:48,166 INFO L93 Difference]: Finished difference Result 4114 states and 14502 transitions. [2021-10-08 16:00:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-08 16:00:48,167 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:00:48,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:00:48,176 INFO L225 Difference]: With dead ends: 4114 [2021-10-08 16:00:48,176 INFO L226 Difference]: Without dead ends: 4114 [2021-10-08 16:00:48,176 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 1448.9ms TimeCoverageRelationStatistics Valid=137, Invalid=1423, Unknown=0, NotChecked=0, Total=1560 [2021-10-08 16:00:48,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4114 states. [2021-10-08 16:00:48,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4114 to 3235. [2021-10-08 16:00:48,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3235 states, 3196 states have (on average 3.806320400500626) internal successors, (12165), 3234 states have internal predecessors, (12165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:48,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 3235 states and 12165 transitions. [2021-10-08 16:00:48,383 INFO L78 Accepts]: Start accepts. Automaton has 3235 states and 12165 transitions. Word has length 18 [2021-10-08 16:00:48,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:00:48,383 INFO L470 AbstractCegarLoop]: Abstraction has 3235 states and 12165 transitions. [2021-10-08 16:00:48,383 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3235 states and 12165 transitions. [2021-10-08 16:00:48,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:00:48,385 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:00:48,385 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 16:00:48,426 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Forceful destruction successful, exit code 0 [2021-10-08 16:00:48,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 82 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable97 [2021-10-08 16:00:48,587 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:00:48,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:00:48,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1944551584, now seen corresponding path program 3 times [2021-10-08 16:00:48,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:00:48,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762351411] [2021-10-08 16:00:48,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:00:48,589 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:00:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:00:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:00:49,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:00:49,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762351411] [2021-10-08 16:00:49,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762351411] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:49,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432547679] [2021-10-08 16:00:49,128 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 16:00:49,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:00:49,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:00:49,129 INFO L229 MonitoredProcess]: Starting monitored process 83 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:00:49,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2021-10-08 16:00:52,987 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-08 16:00:52,987 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:00:52,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-08 16:00:52,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:00:53,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 16:00:53,167 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:00:53,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 16:00:53,246 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:00:53,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 16:00:53,314 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:00:53,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 16:00:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:00:53,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432547679] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:53,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:00:53,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-10-08 16:00:53,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859906969] [2021-10-08 16:00:53,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-08 16:00:53,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:00:53,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-08 16:00:53,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2021-10-08 16:00:53,572 INFO L87 Difference]: Start difference. First operand 3235 states and 12165 transitions. Second operand has 26 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:56,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:00:56,211 INFO L93 Difference]: Finished difference Result 4888 states and 16411 transitions. [2021-10-08 16:00:56,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-08 16:00:56,212 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:00:56,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:00:56,225 INFO L225 Difference]: With dead ends: 4888 [2021-10-08 16:00:56,226 INFO L226 Difference]: Without dead ends: 4888 [2021-10-08 16:00:56,226 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1720.8ms TimeCoverageRelationStatistics Valid=246, Invalid=1646, Unknown=0, NotChecked=0, Total=1892 [2021-10-08 16:00:56,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4888 states. [2021-10-08 16:00:56,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4888 to 3175. [2021-10-08 16:00:56,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3175 states, 3136 states have (on average 3.7688137755102042) internal successors, (11819), 3174 states have internal predecessors, (11819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 3175 states and 11819 transitions. [2021-10-08 16:00:56,316 INFO L78 Accepts]: Start accepts. Automaton has 3175 states and 11819 transitions. Word has length 18 [2021-10-08 16:00:56,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:00:56,316 INFO L470 AbstractCegarLoop]: Abstraction has 3175 states and 11819 transitions. [2021-10-08 16:00:56,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:00:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3175 states and 11819 transitions. [2021-10-08 16:00:56,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:00:56,320 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:00:56,320 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 16:00:56,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Ended with exit code 0 [2021-10-08 16:00:56,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98,83 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:00:56,521 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:00:56,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:00:56,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1296190095, now seen corresponding path program 2 times [2021-10-08 16:00:56,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:00:56,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174731874] [2021-10-08 16:00:56,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:00:56,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:00:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:00:56,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:00:56,980 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:00:56,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174731874] [2021-10-08 16:00:56,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174731874] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:00:56,980 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252405357] [2021-10-08 16:00:56,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 16:00:56,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:00:56,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:00:56,982 INFO L229 MonitoredProcess]: Starting monitored process 84 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:00:57,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2021-10-08 16:01:00,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 16:01:00,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:01:00,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-08 16:01:00,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:01:01,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 16:01:01,135 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:01,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2021-10-08 16:01:01,218 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:01,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 16:01:01,284 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:01,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 16:01:01,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2021-10-08 16:01:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:01,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252405357] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:01,643 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:01:01,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-10-08 16:01:01,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763965722] [2021-10-08 16:01:01,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-10-08 16:01:01,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:01:01,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-10-08 16:01:01,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=548, Unknown=0, NotChecked=0, Total=600 [2021-10-08 16:01:01,645 INFO L87 Difference]: Start difference. First operand 3175 states and 11819 transitions. Second operand has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:03,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:01:03,764 INFO L93 Difference]: Finished difference Result 4702 states and 15816 transitions. [2021-10-08 16:01:03,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-08 16:01:03,765 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:01:03,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:01:03,777 INFO L225 Difference]: With dead ends: 4702 [2021-10-08 16:01:03,777 INFO L226 Difference]: Without dead ends: 4702 [2021-10-08 16:01:03,778 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1527.2ms TimeCoverageRelationStatistics Valid=216, Invalid=1424, Unknown=0, NotChecked=0, Total=1640 [2021-10-08 16:01:03,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4702 states. [2021-10-08 16:01:03,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4702 to 3020. [2021-10-08 16:01:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3020 states, 2981 states have (on average 3.763837638376384) internal successors, (11220), 3019 states have internal predecessors, (11220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:03,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3020 states to 3020 states and 11220 transitions. [2021-10-08 16:01:03,846 INFO L78 Accepts]: Start accepts. Automaton has 3020 states and 11220 transitions. Word has length 18 [2021-10-08 16:01:03,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:01:03,847 INFO L470 AbstractCegarLoop]: Abstraction has 3020 states and 11220 transitions. [2021-10-08 16:01:03,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3020 states and 11220 transitions. [2021-10-08 16:01:03,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:01:03,849 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:01:03,849 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-10-08 16:01:03,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Ended with exit code 0 [2021-10-08 16:01:04,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 84 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-10-08 16:01:04,050 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:01:04,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:01:04,050 INFO L82 PathProgramCache]: Analyzing trace with hash -617792506, now seen corresponding path program 7 times [2021-10-08 16:01:04,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:01:04,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482666381] [2021-10-08 16:01:04,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:01:04,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:01:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:01:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:04,487 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:01:04,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482666381] [2021-10-08 16:01:04,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482666381] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:04,487 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644773188] [2021-10-08 16:01:04,488 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-08 16:01:04,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:01:04,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:01:04,490 INFO L229 MonitoredProcess]: Starting monitored process 85 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:01:04,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2021-10-08 16:01:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:01:08,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-08 16:01:08,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:01:08,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 16:01:08,429 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:08,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 16:01:08,608 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:08,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 16:01:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:08,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644773188] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:08,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:01:08,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2021-10-08 16:01:08,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973625767] [2021-10-08 16:01:08,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-08 16:01:08,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:01:08,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-08 16:01:08,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=700, Unknown=0, NotChecked=0, Total=756 [2021-10-08 16:01:08,840 INFO L87 Difference]: Start difference. First operand 3020 states and 11220 transitions. Second operand has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:11,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:01:11,126 INFO L93 Difference]: Finished difference Result 4463 states and 15600 transitions. [2021-10-08 16:01:11,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-08 16:01:11,127 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:01:11,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:01:11,138 INFO L225 Difference]: With dead ends: 4463 [2021-10-08 16:01:11,138 INFO L226 Difference]: Without dead ends: 4463 [2021-10-08 16:01:11,139 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1287.9ms TimeCoverageRelationStatistics Valid=145, Invalid=1495, Unknown=0, NotChecked=0, Total=1640 [2021-10-08 16:01:11,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4463 states. [2021-10-08 16:01:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4463 to 3137. [2021-10-08 16:01:11,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3137 states, 3098 states have (on average 3.7989025177533895) internal successors, (11769), 3136 states have internal predecessors, (11769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:11,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 3137 states and 11769 transitions. [2021-10-08 16:01:11,250 INFO L78 Accepts]: Start accepts. Automaton has 3137 states and 11769 transitions. Word has length 18 [2021-10-08 16:01:11,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:01:11,250 INFO L470 AbstractCegarLoop]: Abstraction has 3137 states and 11769 transitions. [2021-10-08 16:01:11,251 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:11,251 INFO L276 IsEmpty]: Start isEmpty. Operand 3137 states and 11769 transitions. [2021-10-08 16:01:11,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:01:11,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:01:11,252 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-10-08 16:01:11,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Forceful destruction successful, exit code 0 [2021-10-08 16:01:11,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 85 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2021-10-08 16:01:11,453 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:01:11,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:01:11,454 INFO L82 PathProgramCache]: Analyzing trace with hash -617792633, now seen corresponding path program 8 times [2021-10-08 16:01:11,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:01:11,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476746738] [2021-10-08 16:01:11,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:01:11,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:01:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:01:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:12,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:01:12,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476746738] [2021-10-08 16:01:12,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476746738] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:12,004 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810904620] [2021-10-08 16:01:12,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 16:01:12,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:01:12,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:01:12,006 INFO L229 MonitoredProcess]: Starting monitored process 86 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:01:12,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2021-10-08 16:01:15,712 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 16:01:15,712 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:01:15,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 45 conjunts are in the unsatisfiable core [2021-10-08 16:01:15,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:01:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 16:01:15,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-10-08 16:01:15,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2021-10-08 16:01:15,965 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:15,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 16:01:16,124 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:16,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-10-08 16:01:16,345 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:16,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810904620] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:16,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:01:16,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2021-10-08 16:01:16,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329261224] [2021-10-08 16:01:16,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-08 16:01:16,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:01:16,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-08 16:01:16,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=701, Unknown=0, NotChecked=0, Total=756 [2021-10-08 16:01:16,347 INFO L87 Difference]: Start difference. First operand 3137 states and 11769 transitions. Second operand has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:18,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:01:18,595 INFO L93 Difference]: Finished difference Result 3886 states and 13637 transitions. [2021-10-08 16:01:18,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-08 16:01:18,595 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:01:18,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:01:18,604 INFO L225 Difference]: With dead ends: 3886 [2021-10-08 16:01:18,604 INFO L226 Difference]: Without dead ends: 3886 [2021-10-08 16:01:18,605 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1179.0ms TimeCoverageRelationStatistics Valid=137, Invalid=1423, Unknown=0, NotChecked=0, Total=1560 [2021-10-08 16:01:18,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3886 states. [2021-10-08 16:01:18,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3886 to 3013. [2021-10-08 16:01:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3013 states, 2974 states have (on average 3.76630800268998) internal successors, (11201), 3012 states have internal predecessors, (11201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 3013 states and 11201 transitions. [2021-10-08 16:01:18,727 INFO L78 Accepts]: Start accepts. Automaton has 3013 states and 11201 transitions. Word has length 18 [2021-10-08 16:01:18,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:01:18,728 INFO L470 AbstractCegarLoop]: Abstraction has 3013 states and 11201 transitions. [2021-10-08 16:01:18,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 11201 transitions. [2021-10-08 16:01:18,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:01:18,730 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:01:18,730 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 16:01:18,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Forceful destruction successful, exit code 0 [2021-10-08 16:01:18,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 86 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable101 [2021-10-08 16:01:18,931 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:01:18,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:01:18,932 INFO L82 PathProgramCache]: Analyzing trace with hash -615319854, now seen corresponding path program 4 times [2021-10-08 16:01:18,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:01:18,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521960563] [2021-10-08 16:01:18,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:01:18,933 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:01:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:01:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:19,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:01:19,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521960563] [2021-10-08 16:01:19,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521960563] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:19,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845248435] [2021-10-08 16:01:19,392 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 16:01:19,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:01:19,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:01:19,394 INFO L229 MonitoredProcess]: Starting monitored process 87 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:01:19,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2021-10-08 16:01:23,170 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 16:01:23,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:01:23,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 51 conjunts are in the unsatisfiable core [2021-10-08 16:01:23,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:01:23,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 396 treesize of output 364 [2021-10-08 16:01:23,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 16:01:23,393 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-10-08 16:01:23,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-10-08 16:01:23,466 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:23,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 16:01:23,646 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:23,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-08 16:01:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:23,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845248435] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:23,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:01:23,938 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 25 [2021-10-08 16:01:23,938 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102147211] [2021-10-08 16:01:23,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-10-08 16:01:23,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:01:23,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-10-08 16:01:23,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=645, Unknown=0, NotChecked=0, Total=702 [2021-10-08 16:01:23,939 INFO L87 Difference]: Start difference. First operand 3013 states and 11201 transitions. Second operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:27,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:01:27,176 INFO L93 Difference]: Finished difference Result 5026 states and 16950 transitions. [2021-10-08 16:01:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-10-08 16:01:27,177 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:01:27,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:01:27,188 INFO L225 Difference]: With dead ends: 5026 [2021-10-08 16:01:27,188 INFO L226 Difference]: Without dead ends: 5026 [2021-10-08 16:01:27,189 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 2013.6ms TimeCoverageRelationStatistics Valid=338, Invalid=2742, Unknown=0, NotChecked=0, Total=3080 [2021-10-08 16:01:27,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5026 states. [2021-10-08 16:01:27,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5026 to 2766. [2021-10-08 16:01:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2727 states have (on average 3.7535753575357536) internal successors, (10236), 2765 states have internal predecessors, (10236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 10236 transitions. [2021-10-08 16:01:27,250 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 10236 transitions. Word has length 18 [2021-10-08 16:01:27,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:01:27,250 INFO L470 AbstractCegarLoop]: Abstraction has 2766 states and 10236 transitions. [2021-10-08 16:01:27,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 10236 transitions. [2021-10-08 16:01:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:01:27,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:01:27,252 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 16:01:27,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Forceful destruction successful, exit code 0 [2021-10-08 16:01:27,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 87 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable102 [2021-10-08 16:01:27,453 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:01:27,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:01:27,454 INFO L82 PathProgramCache]: Analyzing trace with hash 33041635, now seen corresponding path program 3 times [2021-10-08 16:01:27,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:01:27,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494843539] [2021-10-08 16:01:27,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:01:27,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:01:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:01:27,995 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:27,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:01:27,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494843539] [2021-10-08 16:01:27,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494843539] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:27,996 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912191976] [2021-10-08 16:01:27,996 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 16:01:27,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:01:27,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:01:27,997 INFO L229 MonitoredProcess]: Starting monitored process 88 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:01:28,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2021-10-08 16:01:31,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-08 16:01:31,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:01:31,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 41 conjunts are in the unsatisfiable core [2021-10-08 16:01:31,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:01:32,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 16:01:32,175 INFO L354 Elim1Store]: treesize reduction 29, result has 39.6 percent of original size [2021-10-08 16:01:32,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 49 [2021-10-08 16:01:32,331 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 16:01:32,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2021-10-08 16:01:32,759 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 16:01:32,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 44 [2021-10-08 16:01:33,058 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-08 16:01:33,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 46 [2021-10-08 16:01:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:33,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912191976] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:33,345 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:01:33,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 25 [2021-10-08 16:01:33,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573803121] [2021-10-08 16:01:33,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-10-08 16:01:33,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:01:33,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-10-08 16:01:33,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=640, Unknown=0, NotChecked=0, Total=702 [2021-10-08 16:01:33,347 INFO L87 Difference]: Start difference. First operand 2766 states and 10236 transitions. Second operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:38,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:01:38,346 INFO L93 Difference]: Finished difference Result 5165 states and 17714 transitions. [2021-10-08 16:01:38,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-10-08 16:01:38,347 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:01:38,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:01:38,372 INFO L225 Difference]: With dead ends: 5165 [2021-10-08 16:01:38,373 INFO L226 Difference]: Without dead ends: 5165 [2021-10-08 16:01:38,374 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 3428.1ms TimeCoverageRelationStatistics Valid=380, Invalid=2926, Unknown=0, NotChecked=0, Total=3306 [2021-10-08 16:01:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5165 states. [2021-10-08 16:01:38,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5165 to 2604. [2021-10-08 16:01:38,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2604 states, 2565 states have (on average 3.7255360623781675) internal successors, (9556), 2603 states have internal predecessors, (9556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2604 states and 9556 transitions. [2021-10-08 16:01:38,467 INFO L78 Accepts]: Start accepts. Automaton has 2604 states and 9556 transitions. Word has length 18 [2021-10-08 16:01:38,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:01:38,468 INFO L470 AbstractCegarLoop]: Abstraction has 2604 states and 9556 transitions. [2021-10-08 16:01:38,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 9556 transitions. [2021-10-08 16:01:38,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:01:38,469 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:01:38,469 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-10-08 16:01:38,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Forceful destruction successful, exit code 0 [2021-10-08 16:01:38,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 88 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable103 [2021-10-08 16:01:38,670 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:01:38,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:01:38,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1454983636, now seen corresponding path program 8 times [2021-10-08 16:01:38,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:01:38,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350567153] [2021-10-08 16:01:38,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:01:38,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:01:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:01:39,119 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:39,119 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:01:39,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350567153] [2021-10-08 16:01:39,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350567153] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:39,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230181742] [2021-10-08 16:01:39,120 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 16:01:39,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:01:39,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:01:39,121 INFO L229 MonitoredProcess]: Starting monitored process 89 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:01:39,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2021-10-08 16:01:42,945 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 16:01:42,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:01:42,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-08 16:01:42,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:01:43,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 16:01:43,191 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:43,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 16:01:43,483 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:43,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 16:01:43,620 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:43,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230181742] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:43,621 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:01:43,621 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2021-10-08 16:01:43,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703218005] [2021-10-08 16:01:43,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-08 16:01:43,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:01:43,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-08 16:01:43,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=700, Unknown=0, NotChecked=0, Total=756 [2021-10-08 16:01:43,623 INFO L87 Difference]: Start difference. First operand 2604 states and 9556 transitions. Second operand has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:45,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:01:45,893 INFO L93 Difference]: Finished difference Result 4211 states and 14829 transitions. [2021-10-08 16:01:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-08 16:01:45,894 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:01:45,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:01:45,903 INFO L225 Difference]: With dead ends: 4211 [2021-10-08 16:01:45,903 INFO L226 Difference]: Without dead ends: 4211 [2021-10-08 16:01:45,904 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1335.2ms TimeCoverageRelationStatistics Valid=145, Invalid=1495, Unknown=0, NotChecked=0, Total=1640 [2021-10-08 16:01:45,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4211 states. [2021-10-08 16:01:46,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4211 to 3136. [2021-10-08 16:01:46,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3136 states, 3097 states have (on average 3.8498546980949304) internal successors, (11923), 3135 states have internal predecessors, (11923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:46,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 11923 transitions. [2021-10-08 16:01:46,058 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 11923 transitions. Word has length 18 [2021-10-08 16:01:46,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:01:46,058 INFO L470 AbstractCegarLoop]: Abstraction has 3136 states and 11923 transitions. [2021-10-08 16:01:46,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:46,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 11923 transitions. [2021-10-08 16:01:46,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:01:46,060 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:01:46,060 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-10-08 16:01:46,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Forceful destruction successful, exit code 0 [2021-10-08 16:01:46,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104,89 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:01:46,261 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:01:46,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:01:46,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1454983509, now seen corresponding path program 9 times [2021-10-08 16:01:46,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:01:46,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785521378] [2021-10-08 16:01:46,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:01:46,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:01:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:01:46,739 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:46,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:01:46,739 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785521378] [2021-10-08 16:01:46,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785521378] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:46,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025858418] [2021-10-08 16:01:46,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 16:01:46,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:01:46,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:01:46,741 INFO L229 MonitoredProcess]: Starting monitored process 90 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:01:46,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2021-10-08 16:01:50,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-08 16:01:50,746 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:01:50,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-08 16:01:50,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:01:50,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-08 16:01:50,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-10-08 16:01:50,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-10-08 16:01:51,059 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 16:01:51,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 37 [2021-10-08 16:01:51,455 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 16:01:51,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 36 [2021-10-08 16:01:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:51,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025858418] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:51,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:01:51,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2021-10-08 16:01:51,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021614891] [2021-10-08 16:01:51,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-08 16:01:51,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:01:51,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-08 16:01:51,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2021-10-08 16:01:51,747 INFO L87 Difference]: Start difference. First operand 3136 states and 11923 transitions. Second operand has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:55,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:01:55,111 INFO L93 Difference]: Finished difference Result 3849 states and 13260 transitions. [2021-10-08 16:01:55,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-08 16:01:55,111 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:01:55,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:01:55,121 INFO L225 Difference]: With dead ends: 3849 [2021-10-08 16:01:55,121 INFO L226 Difference]: Without dead ends: 3849 [2021-10-08 16:01:55,122 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 2080.9ms TimeCoverageRelationStatistics Valid=235, Invalid=2117, Unknown=0, NotChecked=0, Total=2352 [2021-10-08 16:01:55,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3849 states. [2021-10-08 16:01:55,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3849 to 2786. [2021-10-08 16:01:55,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 2747 states have (on average 3.7590098289042593) internal successors, (10326), 2785 states have internal predecessors, (10326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:55,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 10326 transitions. [2021-10-08 16:01:55,176 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 10326 transitions. Word has length 18 [2021-10-08 16:01:55,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:01:55,177 INFO L470 AbstractCegarLoop]: Abstraction has 2786 states and 10326 transitions. [2021-10-08 16:01:55,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:01:55,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 10326 transitions. [2021-10-08 16:01:55,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:01:55,178 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:01:55,178 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 16:01:55,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Ended with exit code 0 [2021-10-08 16:01:55,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 90 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable105 [2021-10-08 16:01:55,379 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:01:55,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:01:55,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1457456288, now seen corresponding path program 5 times [2021-10-08 16:01:55,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:01:55,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696855301] [2021-10-08 16:01:55,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:01:55,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:01:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:01:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:01:55,891 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:01:55,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696855301] [2021-10-08 16:01:55,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696855301] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:01:55,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293542784] [2021-10-08 16:01:55,892 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 16:01:55,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:01:55,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:01:55,902 INFO L229 MonitoredProcess]: Starting monitored process 91 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:01:55,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-10-08 16:01:59,719 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-10-08 16:01:59,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:01:59,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 42 conjunts are in the unsatisfiable core [2021-10-08 16:01:59,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:01:59,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 16:01:59,911 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:01:59,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2021-10-08 16:01:59,996 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 16:01:59,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 16:02:00,267 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-08 16:02:00,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-08 16:02:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:02:00,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293542784] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:02:00,365 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:02:00,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 24 [2021-10-08 16:02:00,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465989932] [2021-10-08 16:02:00,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-10-08 16:02:00,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:02:00,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-10-08 16:02:00,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2021-10-08 16:02:00,367 INFO L87 Difference]: Start difference. First operand 2786 states and 10326 transitions. Second operand has 26 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:02:01,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:02:01,909 INFO L93 Difference]: Finished difference Result 4392 states and 14468 transitions. [2021-10-08 16:02:01,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-08 16:02:01,909 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:02:01,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:02:01,918 INFO L225 Difference]: With dead ends: 4392 [2021-10-08 16:02:01,918 INFO L226 Difference]: Without dead ends: 4392 [2021-10-08 16:02:01,919 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 989.3ms TimeCoverageRelationStatistics Valid=238, Invalid=1568, Unknown=0, NotChecked=0, Total=1806 [2021-10-08 16:02:01,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2021-10-08 16:02:02,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 2570. [2021-10-08 16:02:02,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 2531 states have (on average 3.723824575266693) internal successors, (9425), 2569 states have internal predecessors, (9425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:02:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 9425 transitions. [2021-10-08 16:02:02,068 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 9425 transitions. Word has length 18 [2021-10-08 16:02:02,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:02:02,069 INFO L470 AbstractCegarLoop]: Abstraction has 2570 states and 9425 transitions. [2021-10-08 16:02:02,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 1.44) internal successors, (36), 25 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:02:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 9425 transitions. [2021-10-08 16:02:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-08 16:02:02,070 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:02:02,070 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-10-08 16:02:02,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Forceful destruction successful, exit code 0 [2021-10-08 16:02:02,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 91 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable106 [2021-10-08 16:02:02,278 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:02:02,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:02:02,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1664532166, now seen corresponding path program 9 times [2021-10-08 16:02:02,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:02:02,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838537678] [2021-10-08 16:02:02,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:02:02,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:02:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:02:02,815 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:02:02,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:02:02,815 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838537678] [2021-10-08 16:02:02,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838537678] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:02:02,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759281207] [2021-10-08 16:02:02,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 16:02:02,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:02:02,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:02:02,817 INFO L229 MonitoredProcess]: Starting monitored process 92 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:02:02,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2021-10-08 16:02:06,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-10-08 16:02:06,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:02:06,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 39 conjunts are in the unsatisfiable core [2021-10-08 16:02:06,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:02:07,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-10-08 16:02:07,167 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 16:02:07,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 16:02:07,792 INFO L354 Elim1Store]: treesize reduction 37, result has 22.9 percent of original size [2021-10-08 16:02:07,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2021-10-08 16:02:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:02:07,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759281207] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:02:07,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:02:07,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2021-10-08 16:02:07,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494248686] [2021-10-08 16:02:07,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-10-08 16:02:07,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:02:07,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-10-08 16:02:07,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=689, Unknown=0, NotChecked=0, Total=756 [2021-10-08 16:02:07,853 INFO L87 Difference]: Start difference. First operand 2570 states and 9425 transitions. Second operand has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:02:11,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 16:02:11,441 INFO L93 Difference]: Finished difference Result 3503 states and 11772 transitions. [2021-10-08 16:02:11,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-08 16:02:11,442 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-08 16:02:11,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 16:02:11,450 INFO L225 Difference]: With dead ends: 3503 [2021-10-08 16:02:11,450 INFO L226 Difference]: Without dead ends: 3503 [2021-10-08 16:02:11,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 2174.7ms TimeCoverageRelationStatistics Valid=242, Invalid=2208, Unknown=0, NotChecked=0, Total=2450 [2021-10-08 16:02:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3503 states. [2021-10-08 16:02:11,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3503 to 2239. [2021-10-08 16:02:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 2200 states have (on average 3.7009090909090907) internal successors, (8142), 2238 states have internal predecessors, (8142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:02:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 8142 transitions. [2021-10-08 16:02:11,499 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 8142 transitions. Word has length 18 [2021-10-08 16:02:11,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 16:02:11,499 INFO L470 AbstractCegarLoop]: Abstraction has 2239 states and 8142 transitions. [2021-10-08 16:02:11,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 27 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 16:02:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 8142 transitions. [2021-10-08 16:02:11,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-08 16:02:11,501 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 16:02:11,501 INFO L512 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1, 1, 1, 1] [2021-10-08 16:02:11,550 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Forceful destruction successful, exit code 0 [2021-10-08 16:02:11,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 92 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable107 [2021-10-08 16:02:11,702 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 105 more)] === [2021-10-08 16:02:11,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 16:02:11,703 INFO L82 PathProgramCache]: Analyzing trace with hash -704223605, now seen corresponding path program 11 times [2021-10-08 16:02:11,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 16:02:11,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745953919] [2021-10-08 16:02:11,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 16:02:11,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 16:02:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 16:02:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:02:13,077 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 16:02:13,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745953919] [2021-10-08 16:02:13,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745953919] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:02:13,077 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938164689] [2021-10-08 16:02:13,077 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-08 16:02:13,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 16:02:13,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 16:02:13,079 INFO L229 MonitoredProcess]: Starting monitored process 93 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-08 16:02:13,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2021-10-08 16:02:17,052 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-10-08 16:02:17,052 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 16:02:17,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 44 conjunts are in the unsatisfiable core [2021-10-08 16:02:17,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 16:02:17,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-08 16:02:17,593 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:02:17,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 16:02:17,687 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-10-08 16:02:17,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-08 16:03:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 16:03:01,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938164689] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 16:03:01,598 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 16:03:01,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 32 [2021-10-08 16:03:01,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264895557] [2021-10-08 16:03:01,598 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-10-08 16:03:01,598 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 16:03:01,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-10-08 16:03:01,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1028, Unknown=0, NotChecked=0, Total=1122 [2021-10-08 16:03:01,599 INFO L87 Difference]: Start difference. First operand 2239 states and 8142 transitions. Second operand has 34 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2021-10-08 16:03:02,420 WARN L223 SmtUtils]: Removed 14 from assertion stack [2021-10-08 16:03:02,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-08 16:03:02,422 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,434 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 16:03:02,464 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-08 16:03:02,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Ended with exit code 0 [2021-10-08 16:03:02,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 93 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable108 [2021-10-08 16:03:02,623 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. [2021-10-08 16:03:02,626 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,626 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,627 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,627 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,627 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,627 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,627 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err24ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,628 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,629 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,629 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,629 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,629 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,629 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,629 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,630 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,630 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,630 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,630 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,630 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,630 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,631 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,631 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,631 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,631 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,631 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,631 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,632 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,632 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,632 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,632 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err24ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,632 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err25ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,632 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,633 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,633 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,633 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,633 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,633 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,633 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,633 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,634 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,634 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,634 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,634 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,634 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,634 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,635 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,635 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,635 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,635 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,635 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 16:03:02,635 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 16:03:02,636 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err20ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,636 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err21ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,636 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,636 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,636 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err22ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,636 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err23ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,637 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,637 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,637 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err24ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,637 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err25ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,637 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,638 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,638 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,638 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,638 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,638 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,638 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,639 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,639 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,639 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,639 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,639 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,639 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,640 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,640 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,640 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,640 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err20ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,640 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err21ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,640 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,641 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,641 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err22ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,641 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err23ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,641 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,641 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err24ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,641 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err25ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,642 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,642 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,642 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,642 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,642 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,642 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,643 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,644 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,644 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,644 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location thread2Err19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 16:03:02,653 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 16:03:02,653 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 16:03:02,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 04:03:02 BasicIcfg [2021-10-08 16:03:02,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 16:03:02,657 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.witnessprinter [2021-10-08 16:03:02,659 INFO L168 Benchmark]: Toolchain (without parser) took 714598.32 ms. Allocated memory was 170.9 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 146.2 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 584.4 MB. Max. memory is 8.0 GB. [2021-10-08 16:03:02,659 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 170.9 MB. Free memory is still 141.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 16:03:02,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.93 ms. Allocated memory is still 170.9 MB. Free memory was 145.7 MB in the beginning and 134.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-08 16:03:02,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.16 ms. Allocated memory is still 170.9 MB. Free memory was 134.6 MB in the beginning and 131.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-08 16:03:02,660 INFO L168 Benchmark]: Boogie Preprocessor took 52.76 ms. Allocated memory is still 170.9 MB. Free memory was 131.5 MB in the beginning and 129.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 16:03:02,660 INFO L168 Benchmark]: RCFGBuilder took 1156.61 ms. Allocated memory is still 170.9 MB. Free memory was 129.4 MB in the beginning and 135.9 MB in the end (delta: -6.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. [2021-10-08 16:03:02,661 INFO L168 Benchmark]: TraceAbstraction took 712835.95 ms. Allocated memory was 170.9 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 135.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 572.7 MB. Max. memory is 8.0 GB. [2021-10-08 16:03:02,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 170.9 MB. Free memory is still 141.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 454.93 ms. Allocated memory is still 170.9 MB. Free memory was 145.7 MB in the beginning and 134.6 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 78.16 ms. Allocated memory is still 170.9 MB. Free memory was 134.6 MB in the beginning and 131.7 MB in the end (delta: 2.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 52.76 ms. Allocated memory is still 170.9 MB. Free memory was 131.5 MB in the beginning and 129.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1156.61 ms. Allocated memory is still 170.9 MB. Free memory was 129.4 MB in the beginning and 135.9 MB in the end (delta: -6.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 712835.95 ms. Allocated memory was 170.9 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 135.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 572.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59526.8ms, 484 PlacesBefore, 78 PlacesAfterwards, 521 TransitionsBefore, 75 TransitionsAfterwards, 84348 CoEnabledTransitionPairs, 10 FixpointIterations, 106 TrivialSequentialCompositions, 484 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 95 ConcurrentYvCompositions, 40 ChoiceCompositions, 744 TotalNumberOfCompositions, 84898 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 80886, positive: 80786, positive conditional: 0, positive unconditional: 80786, negative: 100, negative conditional: 0, negative unconditional: 100, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 58941, positive: 58918, positive conditional: 0, positive unconditional: 58918, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 58941, positive: 58918, positive conditional: 0, positive unconditional: 58918, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 23, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 155, negative conditional: 0, negative unconditional: 155, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 80886, positive: 21868, positive conditional: 0, positive unconditional: 21868, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 58941, unknown conditional: 0, unknown unconditional: 58941] , Statistics on independence cache: Total cache size (in pairs): 198, Positive cache size: 188, Positive conditional cache size: 0, Positive unconditional cache size: 188, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 56]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 122]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was constructing difference of abstraction (2239states) and FLOYD_HOARE automaton (currently 8 states, 34 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 72 for 14ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 840 locations, 108 error locations. Started 1 CEGAR loops. OverallTime: 712333.2ms, OverallIterations: 109, TraceHistogramMax: 7, EmptinessCheckTime: 123.4ms, AutomataDifference: 210464.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 59684.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 2643 SDtfs, 37142 SDslu, 17181 SDs, 0 SdLazy, 96085 SolverSat, 5585 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 100748.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3095 GetRequests, 306 SyntacticMatches, 14 SemanticMatches, 2774 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16416 ImplicationChecksByTransitivity, 142005.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=3235occurred in iteration=98, InterpolantAutomatonStates: 1582, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4988.3ms AutomataMinimizationTime, 108 MinimizatonAttempts, 72267 StatesRemovedByMinimization, 100 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1494.4ms SsaConstructionTime, 10456.0ms SatisfiabilityAnalysisTime, 245995.4ms InterpolantComputationTime, 2365 NumberOfCodeBlocks, 2363 NumberOfCodeBlocksAsserted, 289 NumberOfCheckSat, 2170 ConstructedInterpolants, 214 QuantifiedInterpolants, 77715 SizeOfPredicates, 2368 NumberOfNonLiveVariables, 14291 ConjunctsInSsa, 2705 ConjunctsInUnsatCore, 195 InterpolantComputations, 21 PerfectInterpolantSequences, 235/2426 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown