/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/chl-chromosome-opt-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 15:44:42,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 15:44:42,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 15:44:42,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-08 15:44:42,846 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 15:44:42,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 15:44:42,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 15:44:42,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 15:44:42,898 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 15:44:42,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 15:44:42,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 15:44:42,902 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 15:44:42,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 15:44:42,903 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 15:44:42,903 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-08 15:44:42,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 15:44:42,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 15:44:42,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 15:44:42,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 15:44:42,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 15:44:42,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 15:44:42,906 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-08 15:44:42,906 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 15:44:42,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 15:44:42,907 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 15:44:42,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 15:44:42,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 15:44:42,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 15:44:42,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 15:44:42,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 15:44:42,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 15:44:42,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 15:44:42,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 15:44:42,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 15:44:42,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 15:44:42,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 15:44:42,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-08 15:44:42,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 15:44:43,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 15:44:43,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 15:44:43,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 15:44:43,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 15:44:43,403 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 15:44:43,404 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2021-10-08 15:44:43,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/238268a8b/16aca2ffd58e4db486324f3b7077036e/FLAG291038c0c [2021-10-08 15:44:44,237 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 15:44:44,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-chromosome-opt-symm.wvr.c [2021-10-08 15:44:44,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/238268a8b/16aca2ffd58e4db486324f3b7077036e/FLAG291038c0c [2021-10-08 15:44:44,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/238268a8b/16aca2ffd58e4db486324f3b7077036e [2021-10-08 15:44:44,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 15:44:44,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 15:44:44,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 15:44:44,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 15:44:44,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 15:44:44,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209b64c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44, skipping insertion in model container [2021-10-08 15:44:44,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 15:44:44,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 15:44:44,821 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/chl-chromosome-opt-symm.wvr.c[2562,2575] [2021-10-08 15:44:44,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 15:44:44,837 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 15:44:44,863 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/chl-chromosome-opt-symm.wvr.c[2562,2575] [2021-10-08 15:44:44,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 15:44:44,887 INFO L208 MainTranslator]: Completed translation [2021-10-08 15:44:44,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44 WrapperNode [2021-10-08 15:44:44,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 15:44:44,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 15:44:44,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 15:44:44,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 15:44:44,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 15:44:44,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 15:44:44,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 15:44:44,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 15:44:44,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,975 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:44,982 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 15:44:44,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 15:44:44,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 15:44:44,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 15:44:44,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (1/1) ... [2021-10-08 15:44:45,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 15:44:45,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:45,052 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 15:44:45,069 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 15:44:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 15:44:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 15:44:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 15:44:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 15:44:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 15:44:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 15:44:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 15:44:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-08 15:44:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 15:44:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 15:44:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 15:44:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 15:44:45,121 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 15:44:45,864 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 15:44:45,865 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-08 15:44:45,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:44:45 BoogieIcfgContainer [2021-10-08 15:44:45,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 15:44:45,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 15:44:45,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 15:44:45,875 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 15:44:45,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 03:44:44" (1/3) ... [2021-10-08 15:44:45,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b65b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:44:45, skipping insertion in model container [2021-10-08 15:44:45,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 03:44:44" (2/3) ... [2021-10-08 15:44:45,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b65b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 03:44:45, skipping insertion in model container [2021-10-08 15:44:45,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:44:45" (3/3) ... [2021-10-08 15:44:45,879 INFO L111 eAbstractionObserver]: Analyzing ICFG chl-chromosome-opt-symm.wvr.c [2021-10-08 15:44:45,887 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 15:44:45,887 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 15:44:45,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2021-10-08 15:44:45,888 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 15:44:45,950 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,950 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,951 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,951 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,951 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,951 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,952 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,953 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,953 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,953 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,954 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,954 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,954 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,954 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,954 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,955 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,956 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,956 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,957 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,958 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,958 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,959 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,959 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,960 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,960 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,960 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,961 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,962 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,963 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,964 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,965 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,965 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,965 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,965 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,966 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,966 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,966 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,966 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,967 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,967 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,969 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,972 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,973 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,973 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,973 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,973 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,974 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,975 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,976 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,977 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,977 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,977 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,977 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,978 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,978 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,978 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,978 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,979 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,979 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,979 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,980 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,981 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,981 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,982 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,982 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,982 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,983 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,984 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,985 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,994 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,995 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,995 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,995 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:45,996 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,000 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,001 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,001 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,001 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,002 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,002 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,003 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,003 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,003 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,003 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,004 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,004 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,004 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,005 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,005 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,005 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,005 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,006 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,006 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,006 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,006 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,007 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,007 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,007 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,007 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,007 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,008 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,008 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,008 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,008 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,009 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,010 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,010 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,010 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,010 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,010 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,011 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,011 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,011 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,011 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,011 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,012 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,012 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,012 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,012 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,013 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,013 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,013 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,013 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,015 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,016 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,017 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,018 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,019 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,020 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,020 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,020 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,020 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,020 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,021 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,021 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,021 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,021 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,021 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,022 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,022 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,022 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,022 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,022 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,023 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,023 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,023 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,023 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,023 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,023 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,024 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,024 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,024 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,024 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,030 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,030 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,030 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,031 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~comp~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,031 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,031 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,031 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,032 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,032 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,034 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,038 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,044 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,046 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,046 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,047 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,047 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~comp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 15:44:46,057 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-08 15:44:46,130 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-08 15:44:46,143 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 15:44:46,144 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-10-08 15:44:46,167 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-08 15:44:46,182 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 205 places, 219 transitions, 454 flow [2021-10-08 15:44:46,185 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 205 places, 219 transitions, 454 flow [2021-10-08 15:44:46,190 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 205 places, 219 transitions, 454 flow [2021-10-08 15:44:46,285 INFO L129 PetriNetUnfolder]: 21/217 cut-off events. [2021-10-08 15:44:46,285 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-08 15:44:46,299 INFO L84 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 217 events. 21/217 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 312 event pairs, 0 based on Foata normal form. 0/186 useless extension candidates. Maximal degree in co-relation 150. Up to 3 conditions per place. [2021-10-08 15:44:46,307 INFO L116 LiptonReduction]: Number of co-enabled transitions 4788 [2021-10-08 15:44:54,630 INFO L131 LiptonReduction]: Checked pairs total: 5627 [2021-10-08 15:44:54,630 INFO L133 LiptonReduction]: Total number of compositions: 248 [2021-10-08 15:44:54,640 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 37 transitions, 90 flow [2021-10-08 15:44:54,663 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 129 states, 115 states have (on average 2.765217391304348) internal successors, (318), 128 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 115 states have (on average 2.765217391304348) internal successors, (318), 128 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-08 15:44:54,672 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:54,673 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-08 15:44:54,673 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:54,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:54,680 INFO L82 PathProgramCache]: Analyzing trace with hash 28468, now seen corresponding path program 1 times [2021-10-08 15:44:54,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:54,691 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664307628] [2021-10-08 15:44:54,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:54,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:54,898 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 15:44:54,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:54,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664307628] [2021-10-08 15:44:54,901 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664307628] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:54,901 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:44:54,901 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-08 15:44:54,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540404877] [2021-10-08 15:44:54,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:44:54,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:54,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:44:54,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:44:54,929 INFO L87 Difference]: Start difference. First operand has 129 states, 115 states have (on average 2.765217391304348) internal successors, (318), 128 states have internal predecessors, (318), 0 states have call successors, (0), 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 15:44:54,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:54,988 INFO L93 Difference]: Finished difference Result 213 states and 525 transitions. [2021-10-08 15:44:54,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:44:54,990 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 15:44:54,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:55,006 INFO L225 Difference]: With dead ends: 213 [2021-10-08 15:44:55,006 INFO L226 Difference]: Without dead ends: 213 [2021-10-08 15:44:55,008 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:44:55,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-10-08 15:44:55,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 111. [2021-10-08 15:44:55,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 100 states have (on average 2.69) internal successors, (269), 110 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 269 transitions. [2021-10-08 15:44:55,069 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 269 transitions. Word has length 2 [2021-10-08 15:44:55,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:55,070 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 269 transitions. [2021-10-08 15:44:55,070 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 15:44:55,070 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 269 transitions. [2021-10-08 15:44:55,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 15:44:55,071 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:55,071 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 15:44:55,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-08 15:44:55,072 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:55,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:55,072 INFO L82 PathProgramCache]: Analyzing trace with hash 883820, now seen corresponding path program 1 times [2021-10-08 15:44:55,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:55,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108245647] [2021-10-08 15:44:55,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:55,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:55,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:55,133 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 15:44:55,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:55,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108245647] [2021-10-08 15:44:55,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108245647] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:55,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068728370] [2021-10-08 15:44:55,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:55,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:44:55,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:55,145 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 15:44:55,168 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 15:44:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:55,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 15:44:55,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:44:55,267 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 15:44:55,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068728370] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:55,268 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:44:55,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-08 15:44:55,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254693226] [2021-10-08 15:44:55,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 15:44:55,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:55,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 15:44:55,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:44:55,272 INFO L87 Difference]: Start difference. First operand 111 states and 269 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 15:44:55,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:55,339 INFO L93 Difference]: Finished difference Result 317 states and 787 transitions. [2021-10-08 15:44:55,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:44:55,340 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 15:44:55,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:55,346 INFO L225 Difference]: With dead ends: 317 [2021-10-08 15:44:55,347 INFO L226 Difference]: Without dead ends: 317 [2021-10-08 15:44:55,348 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:44:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-10-08 15:44:55,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 113. [2021-10-08 15:44:55,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 102 states have (on average 2.696078431372549) internal successors, (275), 112 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 275 transitions. [2021-10-08 15:44:55,377 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 275 transitions. Word has length 3 [2021-10-08 15:44:55,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:55,378 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 275 transitions. [2021-10-08 15:44:55,378 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 15:44:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 275 transitions. [2021-10-08 15:44:55,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-08 15:44:55,379 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:55,379 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-08 15:44:55,439 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 15:44:55,593 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 15:44:55,594 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:55,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:55,595 INFO L82 PathProgramCache]: Analyzing trace with hash 883837, now seen corresponding path program 1 times [2021-10-08 15:44:55,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:55,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704990350] [2021-10-08 15:44:55,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:55,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:55,691 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 15:44:55,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:55,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704990350] [2021-10-08 15:44:55,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704990350] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:55,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173971710] [2021-10-08 15:44:55,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:55,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:44:55,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:55,695 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 15:44:55,699 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 15:44:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:55,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 15:44:55,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:44:55,786 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 15:44:55,786 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173971710] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:55,786 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:44:55,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-10-08 15:44:55,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261734288] [2021-10-08 15:44:55,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:44:55,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:55,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:44:55,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:44:55,791 INFO L87 Difference]: Start difference. First operand 113 states and 275 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 15:44:55,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:55,842 INFO L93 Difference]: Finished difference Result 213 states and 527 transitions. [2021-10-08 15:44:55,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:44:55,842 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 15:44:55,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:55,846 INFO L225 Difference]: With dead ends: 213 [2021-10-08 15:44:55,846 INFO L226 Difference]: Without dead ends: 213 [2021-10-08 15:44:55,846 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-08 15:44:55,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-10-08 15:44:55,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 111. [2021-10-08 15:44:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 102 states have (on average 2.656862745098039) internal successors, (271), 110 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:55,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 271 transitions. [2021-10-08 15:44:55,862 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 271 transitions. Word has length 3 [2021-10-08 15:44:55,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:55,862 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 271 transitions. [2021-10-08 15:44:55,863 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 15:44:55,863 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 271 transitions. [2021-10-08 15:44:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-08 15:44:55,863 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:55,863 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-08 15:44:55,901 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 15:44:56,076 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 15:44:56,077 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:56,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:56,079 INFO L82 PathProgramCache]: Analyzing trace with hash 27399732, now seen corresponding path program 2 times [2021-10-08 15:44:56,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:56,080 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093557292] [2021-10-08 15:44:56,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:56,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:56,183 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 15:44:56,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:56,184 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093557292] [2021-10-08 15:44:56,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093557292] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:56,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513895433] [2021-10-08 15:44:56,185 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:44:56,185 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:44:56,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:56,188 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 15:44:56,202 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 15:44:56,254 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-08 15:44:56,254 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:44:56,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-08 15:44:56,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:44:56,281 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 15:44:56,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513895433] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:56,283 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:44:56,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-08 15:44:56,284 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825569497] [2021-10-08 15:44:56,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:44:56,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:56,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:44:56,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:44:56,285 INFO L87 Difference]: Start difference. First operand 111 states and 271 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 15:44:56,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:56,301 INFO L93 Difference]: Finished difference Result 109 states and 269 transitions. [2021-10-08 15:44:56,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:44:56,302 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 15:44:56,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:56,306 INFO L225 Difference]: With dead ends: 109 [2021-10-08 15:44:56,306 INFO L226 Difference]: Without dead ends: 109 [2021-10-08 15:44:56,307 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:44:56,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-10-08 15:44:56,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2021-10-08 15:44:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 98 states have (on average 2.663265306122449) internal successors, (261), 104 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 261 transitions. [2021-10-08 15:44:56,340 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 261 transitions. Word has length 4 [2021-10-08 15:44:56,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:56,340 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 261 transitions. [2021-10-08 15:44:56,341 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 15:44:56,341 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 261 transitions. [2021-10-08 15:44:56,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-08 15:44:56,342 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:56,342 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:56,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-08 15:44:56,557 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 15:44:56,558 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:56,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:56,559 INFO L82 PathProgramCache]: Analyzing trace with hash 432411712, now seen corresponding path program 1 times [2021-10-08 15:44:56,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:56,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104702876] [2021-10-08 15:44:56,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:56,561 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:56,633 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 15:44:56,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:56,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104702876] [2021-10-08 15:44:56,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104702876] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:56,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:44:56,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-08 15:44:56,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043432616] [2021-10-08 15:44:56,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:44:56,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:56,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:44:56,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:44:56,636 INFO L87 Difference]: Start difference. First operand 105 states and 261 transitions. Second operand has 3 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 15:44:56,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:56,653 INFO L93 Difference]: Finished difference Result 107 states and 263 transitions. [2021-10-08 15:44:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:44:56,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 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 15:44:56,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:56,659 INFO L225 Difference]: With dead ends: 107 [2021-10-08 15:44:56,660 INFO L226 Difference]: Without dead ends: 107 [2021-10-08 15:44:56,660 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:44:56,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-08 15:44:56,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-10-08 15:44:56,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 100 states have (on average 2.63) internal successors, (263), 106 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 263 transitions. [2021-10-08 15:44:56,695 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 263 transitions. Word has length 8 [2021-10-08 15:44:56,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:56,696 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 263 transitions. [2021-10-08 15:44:56,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 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 15:44:56,700 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 263 transitions. [2021-10-08 15:44:56,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:44:56,701 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:56,701 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:56,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-08 15:44:56,702 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:56,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:56,703 INFO L82 PathProgramCache]: Analyzing trace with hash 217535517, now seen corresponding path program 1 times [2021-10-08 15:44:56,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:56,703 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134298956] [2021-10-08 15:44:56,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:56,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-08 15:44:56,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:56,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134298956] [2021-10-08 15:44:56,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134298956] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:56,753 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:44:56,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:44:56,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535731976] [2021-10-08 15:44:56,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:44:56,754 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:56,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:44:56,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:44:56,755 INFO L87 Difference]: Start difference. First operand 107 states and 263 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 15:44:56,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:56,767 INFO L93 Difference]: Finished difference Result 150 states and 372 transitions. [2021-10-08 15:44:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:44:56,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 15:44:56,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:56,774 INFO L225 Difference]: With dead ends: 150 [2021-10-08 15:44:56,774 INFO L226 Difference]: Without dead ends: 150 [2021-10-08 15:44:56,775 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 15:44:56,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-10-08 15:44:56,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 127. [2021-10-08 15:44:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 120 states have (on average 2.8) internal successors, (336), 126 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:56,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 336 transitions. [2021-10-08 15:44:56,787 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 336 transitions. Word has length 10 [2021-10-08 15:44:56,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:56,788 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 336 transitions. [2021-10-08 15:44:56,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 15:44:56,789 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 336 transitions. [2021-10-08 15:44:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-08 15:44:56,790 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:56,790 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:56,790 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-08 15:44:56,791 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:56,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:56,791 INFO L82 PathProgramCache]: Analyzing trace with hash 217668603, now seen corresponding path program 1 times [2021-10-08 15:44:56,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:56,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409075021] [2021-10-08 15:44:56,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:56,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:56,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-08 15:44:56,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:56,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409075021] [2021-10-08 15:44:56,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409075021] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:56,884 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:44:56,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:44:56,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522847113] [2021-10-08 15:44:56,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:44:56,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:56,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:44:56,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:44:56,887 INFO L87 Difference]: Start difference. First operand 127 states and 336 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 15:44:56,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:56,921 INFO L93 Difference]: Finished difference Result 212 states and 571 transitions. [2021-10-08 15:44:56,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:44:56,922 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 15:44:56,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:56,925 INFO L225 Difference]: With dead ends: 212 [2021-10-08 15:44:56,925 INFO L226 Difference]: Without dead ends: 212 [2021-10-08 15:44:56,929 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:44:56,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-08 15:44:56,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 187. [2021-10-08 15:44:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 180 states have (on average 2.9277777777777776) internal successors, (527), 186 states have internal predecessors, (527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 527 transitions. [2021-10-08 15:44:56,939 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 527 transitions. Word has length 10 [2021-10-08 15:44:56,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:56,939 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 527 transitions. [2021-10-08 15:44:56,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 15:44:56,940 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 527 transitions. [2021-10-08 15:44:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-08 15:44:56,942 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:56,942 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:56,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-08 15:44:56,943 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:56,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:56,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1846332738, now seen corresponding path program 1 times [2021-10-08 15:44:56,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:56,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411555678] [2021-10-08 15:44:56,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:56,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-08 15:44:57,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:57,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411555678] [2021-10-08 15:44:57,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411555678] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:57,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:44:57,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:44:57,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777795655] [2021-10-08 15:44:57,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:44:57,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:57,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:44:57,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:44:57,034 INFO L87 Difference]: Start difference. First operand 187 states and 527 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 15:44:57,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:57,048 INFO L93 Difference]: Finished difference Result 157 states and 443 transitions. [2021-10-08 15:44:57,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:44:57,049 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 15:44:57,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:57,051 INFO L225 Difference]: With dead ends: 157 [2021-10-08 15:44:57,051 INFO L226 Difference]: Without dead ends: 157 [2021-10-08 15:44:57,052 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:44:57,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-10-08 15:44:57,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 127. [2021-10-08 15:44:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 123 states have (on average 2.6747967479674797) internal successors, (329), 126 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 329 transitions. [2021-10-08 15:44:57,059 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 329 transitions. Word has length 11 [2021-10-08 15:44:57,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:57,062 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 329 transitions. [2021-10-08 15:44:57,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 15:44:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 329 transitions. [2021-10-08 15:44:57,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-08 15:44:57,065 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:57,066 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:57,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-08 15:44:57,066 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:57,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:57,067 INFO L82 PathProgramCache]: Analyzing trace with hash -832316801, now seen corresponding path program 1 times [2021-10-08 15:44:57,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:57,067 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254975318] [2021-10-08 15:44:57,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:57,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-08 15:44:57,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:57,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254975318] [2021-10-08 15:44:57,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254975318] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:57,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:44:57,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-08 15:44:57,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831143382] [2021-10-08 15:44:57,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:44:57,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:57,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:44:57,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:44:57,130 INFO L87 Difference]: Start difference. First operand 127 states and 329 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:57,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:57,143 INFO L93 Difference]: Finished difference Result 160 states and 393 transitions. [2021-10-08 15:44:57,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:44:57,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 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 15:44:57,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:57,145 INFO L225 Difference]: With dead ends: 160 [2021-10-08 15:44:57,145 INFO L226 Difference]: Without dead ends: 160 [2021-10-08 15:44:57,146 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:44:57,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-10-08 15:44:57,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 135. [2021-10-08 15:44:57,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 131 states have (on average 2.6564885496183206) internal successors, (348), 134 states have internal predecessors, (348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 348 transitions. [2021-10-08 15:44:57,154 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 348 transitions. Word has length 13 [2021-10-08 15:44:57,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:57,155 INFO L470 AbstractCegarLoop]: Abstraction has 135 states and 348 transitions. [2021-10-08 15:44:57,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 348 transitions. [2021-10-08 15:44:57,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-08 15:44:57,163 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:57,164 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:57,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-08 15:44:57,164 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:57,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:57,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1879193868, now seen corresponding path program 1 times [2021-10-08 15:44:57,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:57,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192856327] [2021-10-08 15:44:57,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:57,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:57,244 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 15:44:57,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:57,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192856327] [2021-10-08 15:44:57,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192856327] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:57,245 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214162272] [2021-10-08 15:44:57,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:57,246 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:44:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:57,247 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 15:44:57,255 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 15:44:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:57,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-08 15:44:57,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:44:57,409 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 15:44:57,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214162272] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:57,410 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:44:57,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2021-10-08 15:44:57,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494941403] [2021-10-08 15:44:57,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-08 15:44:57,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:57,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-08 15:44:57,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:44:57,412 INFO L87 Difference]: Start difference. First operand 135 states and 348 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 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 15:44:57,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:57,433 INFO L93 Difference]: Finished difference Result 137 states and 350 transitions. [2021-10-08 15:44:57,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:44:57,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 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 17 [2021-10-08 15:44:57,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:57,435 INFO L225 Difference]: With dead ends: 137 [2021-10-08 15:44:57,435 INFO L226 Difference]: Without dead ends: 137 [2021-10-08 15:44:57,436 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.9ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-08 15:44:57,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2021-10-08 15:44:57,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2021-10-08 15:44:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 133 states have (on average 2.6315789473684212) internal successors, (350), 136 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 350 transitions. [2021-10-08 15:44:57,441 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 350 transitions. Word has length 17 [2021-10-08 15:44:57,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:57,442 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 350 transitions. [2021-10-08 15:44:57,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 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 15:44:57,442 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 350 transitions. [2021-10-08 15:44:57,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-08 15:44:57,443 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:57,443 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:57,479 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 15:44:57,657 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 15:44:57,658 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:57,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:57,660 INFO L82 PathProgramCache]: Analyzing trace with hash -765305367, now seen corresponding path program 2 times [2021-10-08 15:44:57,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:57,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071699020] [2021-10-08 15:44:57,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:57,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:57,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:44:57,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:57,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071699020] [2021-10-08 15:44:57,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071699020] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:57,722 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71447137] [2021-10-08 15:44:57,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:44:57,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:44:57,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:57,723 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 15:44:57,758 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 15:44:57,815 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-08 15:44:57,815 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:44:57,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-08 15:44:57,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:44:57,886 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 15:44:57,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71447137] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:57,887 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:44:57,887 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-10-08 15:44:57,887 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090545807] [2021-10-08 15:44:57,888 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:44:57,888 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:57,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:44:57,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-08 15:44:57,889 INFO L87 Difference]: Start difference. First operand 137 states and 350 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:57,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:57,926 INFO L93 Difference]: Finished difference Result 178 states and 444 transitions. [2021-10-08 15:44:57,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:44:57,927 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 19 [2021-10-08 15:44:57,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:57,928 INFO L225 Difference]: With dead ends: 178 [2021-10-08 15:44:57,928 INFO L226 Difference]: Without dead ends: 178 [2021-10-08 15:44:57,929 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 23.0ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-08 15:44:57,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-10-08 15:44:57,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 141. [2021-10-08 15:44:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 137 states have (on average 2.627737226277372) internal successors, (360), 140 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:57,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 360 transitions. [2021-10-08 15:44:57,935 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 360 transitions. Word has length 19 [2021-10-08 15:44:57,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:57,935 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 360 transitions. [2021-10-08 15:44:57,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:57,936 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 360 transitions. [2021-10-08 15:44:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-08 15:44:57,936 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:57,936 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:57,975 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 15:44:58,150 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 15:44:58,151 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:58,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:58,152 INFO L82 PathProgramCache]: Analyzing trace with hash -1694348125, now seen corresponding path program 3 times [2021-10-08 15:44:58,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:58,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422782725] [2021-10-08 15:44:58,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:58,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:44:58,211 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:58,211 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422782725] [2021-10-08 15:44:58,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422782725] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:58,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091951330] [2021-10-08 15:44:58,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:44:58,212 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:44:58,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:58,213 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 15:44:58,225 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 15:44:58,314 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-10-08 15:44:58,314 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:44:58,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-08 15:44:58,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:44:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 15:44:58,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091951330] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:58,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:44:58,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-10-08 15:44:58,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860982229] [2021-10-08 15:44:58,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:44:58,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:58,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:44:58,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-08 15:44:58,390 INFO L87 Difference]: Start difference. First operand 141 states and 360 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:58,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:58,424 INFO L93 Difference]: Finished difference Result 176 states and 416 transitions. [2021-10-08 15:44:58,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:44:58,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 19 [2021-10-08 15:44:58,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:58,427 INFO L225 Difference]: With dead ends: 176 [2021-10-08 15:44:58,427 INFO L226 Difference]: Without dead ends: 176 [2021-10-08 15:44:58,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 23.7ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-08 15:44:58,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-10-08 15:44:58,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 137. [2021-10-08 15:44:58,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 133 states have (on average 2.601503759398496) internal successors, (346), 136 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 346 transitions. [2021-10-08 15:44:58,434 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 346 transitions. Word has length 19 [2021-10-08 15:44:58,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:58,434 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 346 transitions. [2021-10-08 15:44:58,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:58,435 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 346 transitions. [2021-10-08 15:44:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-08 15:44:58,436 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:58,436 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:58,480 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 15:44:58,651 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 15:44:58,652 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:58,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:58,653 INFO L82 PathProgramCache]: Analyzing trace with hash -579581819, now seen corresponding path program 4 times [2021-10-08 15:44:58,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:58,653 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547417202] [2021-10-08 15:44:58,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:58,654 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-08 15:44:58,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:58,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547417202] [2021-10-08 15:44:58,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547417202] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:58,746 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98554597] [2021-10-08 15:44:58,746 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-08 15:44:58,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:44:58,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:58,748 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 15:44:58,776 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 15:44:58,824 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-08 15:44:58,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:44:58,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-08 15:44:58,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:44:58,889 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-08 15:44:58,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98554597] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:44:58,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:44:58,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2021-10-08 15:44:58,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348708369] [2021-10-08 15:44:58,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:44:58,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:58,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:44:58,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-08 15:44:58,892 INFO L87 Difference]: Start difference. First operand 137 states and 346 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:58,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:58,924 INFO L93 Difference]: Finished difference Result 168 states and 396 transitions. [2021-10-08 15:44:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:44:58,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 19 [2021-10-08 15:44:58,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:58,926 INFO L225 Difference]: With dead ends: 168 [2021-10-08 15:44:58,927 INFO L226 Difference]: Without dead ends: 162 [2021-10-08 15:44:58,927 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 43.1ms TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-10-08 15:44:58,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2021-10-08 15:44:58,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 137. [2021-10-08 15:44:58,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 133 states have (on average 2.5714285714285716) internal successors, (342), 136 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 342 transitions. [2021-10-08 15:44:58,933 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 342 transitions. Word has length 19 [2021-10-08 15:44:58,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:58,933 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 342 transitions. [2021-10-08 15:44:58,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 342 transitions. [2021-10-08 15:44:58,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-08 15:44:58,934 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:58,935 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:58,973 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 15:44:59,148 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 15:44:59,149 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:59,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:59,149 INFO L82 PathProgramCache]: Analyzing trace with hash -119321476, now seen corresponding path program 1 times [2021-10-08 15:44:59,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:59,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880654101] [2021-10-08 15:44:59,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:59,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:59,202 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-08 15:44:59,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:59,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880654101] [2021-10-08 15:44:59,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880654101] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:59,203 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20096122] [2021-10-08 15:44:59,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:59,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:44:59,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:59,205 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 15:44:59,244 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 15:44:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:59,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-08 15:44:59,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:44:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-08 15:44:59,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20096122] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:59,406 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:44:59,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 8 [2021-10-08 15:44:59,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351562133] [2021-10-08 15:44:59,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 15:44:59,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:59,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 15:44:59,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-10-08 15:44:59,409 INFO L87 Difference]: Start difference. First operand 137 states and 342 transitions. Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 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 15:44:59,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:59,430 INFO L93 Difference]: Finished difference Result 139 states and 344 transitions. [2021-10-08 15:44:59,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 15:44:59,431 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 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 19 [2021-10-08 15:44:59,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:59,432 INFO L225 Difference]: With dead ends: 139 [2021-10-08 15:44:59,432 INFO L226 Difference]: Without dead ends: 139 [2021-10-08 15:44:59,433 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 34.3ms TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-10-08 15:44:59,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-10-08 15:44:59,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2021-10-08 15:44:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 135 states have (on average 2.5481481481481483) internal successors, (344), 138 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:59,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 344 transitions. [2021-10-08 15:44:59,438 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 344 transitions. Word has length 19 [2021-10-08 15:44:59,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:59,439 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 344 transitions. [2021-10-08 15:44:59,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 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 15:44:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 344 transitions. [2021-10-08 15:44:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-08 15:44:59,440 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:59,440 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:44:59,483 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 15:44:59,653 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,SelfDestructingSolverStorable13 [2021-10-08 15:44:59,653 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:44:59,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:44:59,654 INFO L82 PathProgramCache]: Analyzing trace with hash -233482945, now seen corresponding path program 2 times [2021-10-08 15:44:59,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:44:59,655 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971982239] [2021-10-08 15:44:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:44:59,655 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:44:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:44:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-08 15:44:59,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:44:59,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971982239] [2021-10-08 15:44:59,724 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971982239] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:59,724 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836455323] [2021-10-08 15:44:59,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-08 15:44:59,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:44:59,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:44:59,726 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 15:44:59,745 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 15:44:59,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-08 15:44:59,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:44:59,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-08 15:44:59,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:44:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-08 15:44:59,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836455323] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:44:59,935 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:44:59,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-10-08 15:44:59,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231507930] [2021-10-08 15:44:59,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-08 15:44:59,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:44:59,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-08 15:44:59,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-10-08 15:44:59,936 INFO L87 Difference]: Start difference. First operand 139 states and 344 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 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 15:44:59,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:44:59,964 INFO L93 Difference]: Finished difference Result 141 states and 346 transitions. [2021-10-08 15:44:59,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 15:44:59,965 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 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 21 [2021-10-08 15:44:59,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:44:59,966 INFO L225 Difference]: With dead ends: 141 [2021-10-08 15:44:59,967 INFO L226 Difference]: Without dead ends: 141 [2021-10-08 15:44:59,967 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 58.6ms TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-10-08 15:44:59,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-08 15:44:59,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2021-10-08 15:44:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 137 states have (on average 2.5255474452554743) internal successors, (346), 140 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:44:59,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 346 transitions. [2021-10-08 15:44:59,973 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 346 transitions. Word has length 21 [2021-10-08 15:44:59,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:44:59,973 INFO L470 AbstractCegarLoop]: Abstraction has 141 states and 346 transitions. [2021-10-08 15:44:59,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 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 15:44:59,973 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 346 transitions. [2021-10-08 15:44:59,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-08 15:44:59,974 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:44:59,974 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:45:00,015 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 15:45:00,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:45:00,190 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:45:00,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:45:00,191 INFO L82 PathProgramCache]: Analyzing trace with hash -2120911140, now seen corresponding path program 3 times [2021-10-08 15:45:00,191 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:45:00,191 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300443371] [2021-10-08 15:45:00,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:45:00,192 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:45:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:45:00,268 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-08 15:45:00,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:45:00,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300443371] [2021-10-08 15:45:00,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300443371] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:45:00,269 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035486969] [2021-10-08 15:45:00,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-08 15:45:00,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:45:00,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:45:00,271 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 15:45:00,291 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 15:45:00,377 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-10-08 15:45:00,377 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-08 15:45:00,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-08 15:45:00,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:45:00,443 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-08 15:45:00,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035486969] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:45:00,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-08 15:45:00,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-10-08 15:45:00,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473291896] [2021-10-08 15:45:00,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:45:00,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:45:00,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:45:00,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-10-08 15:45:00,446 INFO L87 Difference]: Start difference. First operand 141 states and 346 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:00,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:45:00,469 INFO L93 Difference]: Finished difference Result 158 states and 372 transitions. [2021-10-08 15:45:00,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:45:00,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 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 23 [2021-10-08 15:45:00,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:45:00,471 INFO L225 Difference]: With dead ends: 158 [2021-10-08 15:45:00,471 INFO L226 Difference]: Without dead ends: 158 [2021-10-08 15:45:00,472 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 35.0ms TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-10-08 15:45:00,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-08 15:45:00,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 133. [2021-10-08 15:45:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 130 states have (on average 2.5153846153846153) internal successors, (327), 132 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 327 transitions. [2021-10-08 15:45:00,477 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 327 transitions. Word has length 23 [2021-10-08 15:45:00,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:45:00,478 INFO L470 AbstractCegarLoop]: Abstraction has 133 states and 327 transitions. [2021-10-08 15:45:00,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 327 transitions. [2021-10-08 15:45:00,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-08 15:45:00,479 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:45:00,479 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:45:00,520 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 15:45:00,693 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,SelfDestructingSolverStorable15 [2021-10-08 15:45:00,694 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:45:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:45:00,695 INFO L82 PathProgramCache]: Analyzing trace with hash -2120911142, now seen corresponding path program 1 times [2021-10-08 15:45:00,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:45:00,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279990859] [2021-10-08 15:45:00,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:45:00,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:45:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:45:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-08 15:45:00,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:45:00,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279990859] [2021-10-08 15:45:00,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279990859] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:45:00,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:45:00,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:45:00,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688085170] [2021-10-08 15:45:00,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-08 15:45:00,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:45:00,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-08 15:45:00,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-08 15:45:00,734 INFO L87 Difference]: Start difference. First operand 133 states and 327 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:00,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:45:00,746 INFO L93 Difference]: Finished difference Result 142 states and 334 transitions. [2021-10-08 15:45:00,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-08 15:45:00,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 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 23 [2021-10-08 15:45:00,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:45:00,748 INFO L225 Difference]: With dead ends: 142 [2021-10-08 15:45:00,748 INFO L226 Difference]: Without dead ends: 142 [2021-10-08 15:45:00,749 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 15:45:00,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2021-10-08 15:45:00,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 93. [2021-10-08 15:45:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 91 states have (on average 2.3736263736263736) internal successors, (216), 92 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 216 transitions. [2021-10-08 15:45:00,753 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 216 transitions. Word has length 23 [2021-10-08 15:45:00,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:45:00,754 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 216 transitions. [2021-10-08 15:45:00,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:00,754 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 216 transitions. [2021-10-08 15:45:00,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-08 15:45:00,755 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:45:00,755 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:45:00,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-08 15:45:00,756 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:45:00,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:45:00,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1109832600, now seen corresponding path program 1 times [2021-10-08 15:45:00,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:45:00,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822631746] [2021-10-08 15:45:00,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:45:00,757 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:45:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:45:00,867 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-08 15:45:00,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:45:00,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822631746] [2021-10-08 15:45:00,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822631746] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:45:00,868 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013539878] [2021-10-08 15:45:00,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:45:00,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-08 15:45:00,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 15:45:00,869 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 15:45:00,888 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 15:45:00,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:45:00,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-08 15:45:00,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-08 15:45:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-08 15:45:01,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013539878] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-08 15:45:01,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-08 15:45:01,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 12 [2021-10-08 15:45:01,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778276317] [2021-10-08 15:45:01,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-08 15:45:01,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:45:01,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-08 15:45:01,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2021-10-08 15:45:01,121 INFO L87 Difference]: Start difference. First operand 93 states and 216 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 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 15:45:01,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:45:01,153 INFO L93 Difference]: Finished difference Result 95 states and 218 transitions. [2021-10-08 15:45:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-08 15:45:01,153 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 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 25 [2021-10-08 15:45:01,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:45:01,154 INFO L225 Difference]: With dead ends: 95 [2021-10-08 15:45:01,155 INFO L226 Difference]: Without dead ends: 95 [2021-10-08 15:45:01,155 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 102.6ms TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2021-10-08 15:45:01,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-10-08 15:45:01,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-10-08 15:45:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 93 states have (on average 2.3440860215053765) internal successors, (218), 94 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 218 transitions. [2021-10-08 15:45:01,159 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 218 transitions. Word has length 25 [2021-10-08 15:45:01,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:45:01,159 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 218 transitions. [2021-10-08 15:45:01,159 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 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 15:45:01,159 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 218 transitions. [2021-10-08 15:45:01,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-08 15:45:01,160 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:45:01,160 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:45:01,203 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 15:45:01,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-10-08 15:45:01,374 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:45:01,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:45:01,375 INFO L82 PathProgramCache]: Analyzing trace with hash -851903573, now seen corresponding path program 2 times [2021-10-08 15:45:01,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:45:01,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760835866] [2021-10-08 15:45:01,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:45:01,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:45:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:45:01,442 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-08 15:45:01,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:45:01,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760835866] [2021-10-08 15:45:01,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760835866] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:45:01,443 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:45:01,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:45:01,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943144674] [2021-10-08 15:45:01,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:45:01,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:45:01,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:45:01,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:45:01,445 INFO L87 Difference]: Start difference. First operand 95 states and 218 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:01,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:45:01,453 INFO L93 Difference]: Finished difference Result 94 states and 217 transitions. [2021-10-08 15:45:01,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:45:01,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 27 [2021-10-08 15:45:01,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:45:01,454 INFO L225 Difference]: With dead ends: 94 [2021-10-08 15:45:01,455 INFO L226 Difference]: Without dead ends: 94 [2021-10-08 15:45:01,455 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:45:01,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2021-10-08 15:45:01,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2021-10-08 15:45:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 2.3333333333333335) internal successors, (217), 93 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:01,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 217 transitions. [2021-10-08 15:45:01,459 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 217 transitions. Word has length 27 [2021-10-08 15:45:01,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:45:01,459 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 217 transitions. [2021-10-08 15:45:01,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 217 transitions. [2021-10-08 15:45:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-08 15:45:01,460 INFO L504 BasicCegarLoop]: Found error trace [2021-10-08 15:45:01,460 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-08 15:45:01,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-08 15:45:01,460 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-08 15:45:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 15:45:01,461 INFO L82 PathProgramCache]: Analyzing trace with hash -851903630, now seen corresponding path program 1 times [2021-10-08 15:45:01,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 15:45:01,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266229400] [2021-10-08 15:45:01,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 15:45:01,462 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 15:45:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 15:45:01,524 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-10-08 15:45:01,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 15:45:01,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266229400] [2021-10-08 15:45:01,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266229400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 15:45:01,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 15:45:01,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 15:45:01,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130476111] [2021-10-08 15:45:01,525 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-08 15:45:01,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 15:45:01,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-08 15:45:01,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:45:01,526 INFO L87 Difference]: Start difference. First operand 94 states and 217 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:01,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-08 15:45:01,533 INFO L93 Difference]: Finished difference Result 93 states and 216 transitions. [2021-10-08 15:45:01,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-08 15:45:01,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 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 27 [2021-10-08 15:45:01,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-08 15:45:01,534 INFO L225 Difference]: With dead ends: 93 [2021-10-08 15:45:01,534 INFO L226 Difference]: Without dead ends: 0 [2021-10-08 15:45:01,535 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-08 15:45:01,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-08 15:45:01,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-08 15:45:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:01,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-08 15:45:01,536 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2021-10-08 15:45:01,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-08 15:45:01,536 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-08 15:45:01,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-08 15:45:01,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-08 15:45:01,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-08 15:45:01,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,545 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 15:45:01,546 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 15:45:01,546 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,548 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,548 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,548 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-08 15:45:01,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-08 15:45:01,556 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 15:45:01,556 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 15:45:01,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 03:45:01 BasicIcfg [2021-10-08 15:45:01,559 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 15:45:01,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-08 15:45:01,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-08 15:45:01,560 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-08 15:45:01,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 03:44:45" (3/4) ... [2021-10-08 15:45:01,564 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-08 15:45:01,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-08 15:45:01,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-08 15:45:01,579 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-08 15:45:01,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-08 15:45:01,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 15:45:01,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 15:45:01,645 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl-chromosome-opt-symm.wvr.c-witness.graphml [2021-10-08 15:45:01,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-08 15:45:01,648 INFO L168 Benchmark]: Toolchain (without parser) took 17075.38 ms. Allocated memory was 152.0 MB in the beginning and 200.3 MB in the end (delta: 48.2 MB). Free memory was 126.9 MB in the beginning and 120.9 MB in the end (delta: 6.0 MB). Peak memory consumption was 55.6 MB. Max. memory is 8.0 GB. [2021-10-08 15:45:01,648 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 152.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 77.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 15:45:01,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.87 ms. Allocated memory is still 152.0 MB. Free memory was 126.4 MB in the beginning and 115.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-08 15:45:01,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.41 ms. Allocated memory is still 152.0 MB. Free memory was 115.7 MB in the beginning and 113.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 15:45:01,650 INFO L168 Benchmark]: Boogie Preprocessor took 39.90 ms. Allocated memory is still 152.0 MB. Free memory was 113.6 MB in the beginning and 112.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-08 15:45:01,650 INFO L168 Benchmark]: RCFGBuilder took 884.79 ms. Allocated memory is still 152.0 MB. Free memory was 111.9 MB in the beginning and 127.4 MB in the end (delta: -15.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. [2021-10-08 15:45:01,650 INFO L168 Benchmark]: TraceAbstraction took 15688.95 ms. Allocated memory was 152.0 MB in the beginning and 200.3 MB in the end (delta: 48.2 MB). Free memory was 126.9 MB in the beginning and 124.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 51.1 MB. Max. memory is 8.0 GB. [2021-10-08 15:45:01,651 INFO L168 Benchmark]: Witness Printer took 85.41 ms. Allocated memory is still 200.3 MB. Free memory was 124.6 MB in the beginning and 120.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-10-08 15:45:01,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 152.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 77.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 305.87 ms. Allocated memory is still 152.0 MB. Free memory was 126.4 MB in the beginning and 115.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.41 ms. Allocated memory is still 152.0 MB. Free memory was 115.7 MB in the beginning and 113.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.90 ms. Allocated memory is still 152.0 MB. Free memory was 113.6 MB in the beginning and 112.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 884.79 ms. Allocated memory is still 152.0 MB. Free memory was 111.9 MB in the beginning and 127.4 MB in the end (delta: -15.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15688.95 ms. Allocated memory was 152.0 MB in the beginning and 200.3 MB in the end (delta: 48.2 MB). Free memory was 126.9 MB in the beginning and 124.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 51.1 MB. Max. memory is 8.0 GB. * Witness Printer took 85.41 ms. Allocated memory is still 200.3 MB. Free memory was 124.6 MB in the beginning and 120.9 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8445.2ms, 205 PlacesBefore, 38 PlacesAfterwards, 219 TransitionsBefore, 37 TransitionsAfterwards, 4788 CoEnabledTransitionPairs, 7 FixpointIterations, 115 TrivialSequentialCompositions, 77 ConcurrentSequentialCompositions, 21 TrivialYvCompositions, 20 ConcurrentYvCompositions, 15 ChoiceCompositions, 248 TotalNumberOfCompositions, 5627 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4720, positive: 4639, positive conditional: 0, positive unconditional: 4639, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3387, positive: 3352, positive conditional: 0, positive unconditional: 3352, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3387, positive: 3352, positive conditional: 0, positive unconditional: 3352, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4720, positive: 1287, positive conditional: 0, positive unconditional: 1287, negative: 46, negative conditional: 0, negative unconditional: 46, unknown: 3387, unknown conditional: 0, unknown unconditional: 3387] , Statistics on independence cache: Total cache size (in pairs): 93, Positive cache size: 86, Positive conditional cache size: 0, Positive unconditional cache size: 86, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7 - 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 - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 103]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 103]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 103]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 103]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 92]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 275 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 15425.8ms, OverallIterations: 20, TraceHistogramMax: 5, EmptinessCheckTime: 33.6ms, AutomataDifference: 670.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8519.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 625 SDtfs, 430 SDslu, 653 SDs, 0 SdLazy, 274 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 308.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 399.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=187occurred in iteration=7, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 238.7ms AutomataMinimizationTime, 20 MinimizatonAttempts, 690 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 176.8ms SsaConstructionTime, 679.9ms SatisfiabilityAnalysisTime, 1704.3ms InterpolantComputationTime, 475 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 444 ConstructedInterpolants, 0 QuantifiedInterpolants, 919 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1570 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 31 InterpolantComputations, 15 PerfectInterpolantSequences, 228/293 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 - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-08 15:45:01,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...