/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/popl20-more-sum-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-07 15:07:34,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-07 15:07:34,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-07 15:07:34,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-07 15:07:34,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-07 15:07:34,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-07 15:07:34,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-07 15:07:34,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-07 15:07:34,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-07 15:07:34,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-07 15:07:34,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-07 15:07:34,232 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-07 15:07:34,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-07 15:07:34,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-07 15:07:34,234 INFO L138 SettingsManager]: * Use SBE=true [2021-10-07 15:07:34,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-07 15:07:34,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-07 15:07:34,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-07 15:07:34,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-07 15:07:34,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-07 15:07:34,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-07 15:07:34,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-07 15:07:34,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-07 15:07:34,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-07 15:07:34,236 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-07 15:07:34,236 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-07 15:07:34,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-07 15:07:34,237 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-07 15:07:34,237 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-07 15:07:34,237 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-07 15:07:34,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-07 15:07:34,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-07 15:07:34,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:07:34,238 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-07 15:07:34,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-07 15:07:34,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-07 15:07:34,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-07 15:07:34,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-07 15:07:34,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-07 15:07:34,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-07 15:07:34,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-07 15:07:34,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-07 15:07:34,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-07 15:07:34,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-07 15:07:34,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-07 15:07:34,741 INFO L275 PluginConnector]: CDTParser initialized [2021-10-07 15:07:34,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2021-10-07 15:07:34,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7804a2321/100fbafc5de34b9a867a7b1dc6fbd516/FLAG0e654db12 [2021-10-07 15:07:35,390 INFO L306 CDTParser]: Found 1 translation units. [2021-10-07 15:07:35,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-sum-array-hom.wvr.c [2021-10-07 15:07:35,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7804a2321/100fbafc5de34b9a867a7b1dc6fbd516/FLAG0e654db12 [2021-10-07 15:07:35,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7804a2321/100fbafc5de34b9a867a7b1dc6fbd516 [2021-10-07 15:07:35,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-07 15:07:35,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-07 15:07:35,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-07 15:07:35,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-07 15:07:35,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-07 15:07:35,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:35" (1/1) ... [2021-10-07 15:07:35,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ee5991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:35, skipping insertion in model container [2021-10-07 15:07:35,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:35" (1/1) ... [2021-10-07 15:07:35,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-07 15:07:35,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-07 15:07:36,086 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/popl20-more-sum-array-hom.wvr.c[2306,2319] [2021-10-07 15:07:36,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:07:36,124 INFO L203 MainTranslator]: Completed pre-run [2021-10-07 15:07:36,190 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/popl20-more-sum-array-hom.wvr.c[2306,2319] [2021-10-07 15:07:36,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-07 15:07:36,227 INFO L208 MainTranslator]: Completed translation [2021-10-07 15:07:36,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36 WrapperNode [2021-10-07 15:07:36,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-07 15:07:36,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-07 15:07:36,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-07 15:07:36,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-07 15:07:36,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,321 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-07 15:07:36,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-07 15:07:36,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-07 15:07:36,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-07 15:07:36,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-07 15:07:36,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-07 15:07:36,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-07 15:07:36,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-07 15:07:36,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (1/1) ... [2021-10-07 15:07:36,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-07 15:07:36,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:36,459 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) [2021-10-07 15:07:36,484 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 [2021-10-07 15:07:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-07 15:07:36,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-07 15:07:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-07 15:07:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-07 15:07:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-07 15:07:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-07 15:07:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-07 15:07:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-07 15:07:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-07 15:07:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-07 15:07:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-07 15:07:36,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-07 15:07:36,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-07 15:07:36,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-07 15:07:36,548 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-07 15:07:37,103 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-07 15:07:37,104 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2021-10-07 15:07:37,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:37 BoogieIcfgContainer [2021-10-07 15:07:37,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-07 15:07:37,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-07 15:07:37,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-07 15:07:37,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-07 15:07:37,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:07:35" (1/3) ... [2021-10-07 15:07:37,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe02486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:37, skipping insertion in model container [2021-10-07 15:07:37,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:36" (2/3) ... [2021-10-07 15:07:37,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fe02486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:37, skipping insertion in model container [2021-10-07 15:07:37,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:37" (3/3) ... [2021-10-07 15:07:37,117 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2021-10-07 15:07:37,124 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-07 15:07:37,124 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-07 15:07:37,124 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-10-07 15:07:37,124 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-07 15:07:37,174 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,174 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,175 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,175 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,175 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,176 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,176 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,176 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,176 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,177 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,180 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,181 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,181 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,181 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,182 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,184 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,184 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,185 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,186 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,186 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,186 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,187 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,190 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,191 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,191 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,192 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,194 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,197 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,198 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,199 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,199 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,200 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,202 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,202 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,203 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,204 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,207 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,208 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,208 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,208 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,209 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,209 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,209 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,209 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,210 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,213 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,214 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,215 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,216 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,218 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,219 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,220 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,223 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,224 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,224 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,225 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,228 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,229 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,233 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,234 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,234 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,234 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,235 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,240 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,240 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,240 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,241 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,241 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,241 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,242 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,242 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,242 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,242 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,244 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,244 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,245 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,245 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,245 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,245 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,246 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,248 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,248 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,249 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,249 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,249 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,249 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,250 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,252 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,252 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,253 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,253 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,253 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,254 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,255 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,259 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,260 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,260 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,260 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,260 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,260 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,261 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,264 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,269 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,270 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~i~2 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,270 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,289 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,289 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,290 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,292 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-07 15:07:37,305 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-07 15:07:37,361 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-07 15:07:37,369 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 [2021-10-07 15:07:37,370 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-10-07 15:07:37,397 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-07 15:07:37,410 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 177 transitions, 378 flow [2021-10-07 15:07:37,414 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 177 transitions, 378 flow [2021-10-07 15:07:37,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 175 places, 177 transitions, 378 flow [2021-10-07 15:07:37,554 INFO L129 PetriNetUnfolder]: 12/174 cut-off events. [2021-10-07 15:07:37,555 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-07 15:07:37,565 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 174 events. 12/174 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 228 event pairs, 0 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 126. Up to 2 conditions per place. [2021-10-07 15:07:37,573 INFO L116 LiptonReduction]: Number of co-enabled transitions 3840 [2021-10-07 15:07:45,217 INFO L131 LiptonReduction]: Checked pairs total: 4779 [2021-10-07 15:07:45,218 INFO L133 LiptonReduction]: Total number of compositions: 183 [2021-10-07 15:07:45,229 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 43 transitions, 110 flow [2021-10-07 15:07:45,322 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 918 states, 790 states have (on average 3.8658227848101268) internal successors, (3054), 917 states have internal predecessors, (3054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 918 states, 790 states have (on average 3.8658227848101268) internal successors, (3054), 917 states have internal predecessors, (3054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-07 15:07:45,337 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:45,338 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-07 15:07:45,339 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:45,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:45,351 INFO L82 PathProgramCache]: Analyzing trace with hash 21869, now seen corresponding path program 1 times [2021-10-07 15:07:45,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:45,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687791839] [2021-10-07 15:07:45,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:45,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:45,600 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:45,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687791839] [2021-10-07 15:07:45,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687791839] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:45,602 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:45,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-07 15:07:45,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655096776] [2021-10-07 15:07:45,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:45,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:45,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:45,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:45,636 INFO L87 Difference]: Start difference. First operand has 918 states, 790 states have (on average 3.8658227848101268) internal successors, (3054), 917 states have internal predecessors, (3054), 0 states have call successors, (0), 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) [2021-10-07 15:07:45,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:45,748 INFO L93 Difference]: Finished difference Result 1833 states and 6105 transitions. [2021-10-07 15:07:45,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:45,750 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 [2021-10-07 15:07:45,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:45,806 INFO L225 Difference]: With dead ends: 1833 [2021-10-07 15:07:45,807 INFO L226 Difference]: Without dead ends: 1833 [2021-10-07 15:07:45,808 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:45,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1833 states. [2021-10-07 15:07:45,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1833 to 919. [2021-10-07 15:07:45,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 791 states have (on average 3.86346396965866) internal successors, (3056), 918 states have internal predecessors, (3056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:45,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 3056 transitions. [2021-10-07 15:07:45,983 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 3056 transitions. Word has length 2 [2021-10-07 15:07:45,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:45,985 INFO L470 AbstractCegarLoop]: Abstraction has 919 states and 3056 transitions. [2021-10-07 15:07:45,985 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) [2021-10-07 15:07:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 3056 transitions. [2021-10-07 15:07:45,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 15:07:45,987 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:45,987 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 15:07:45,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-07 15:07:45,988 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:45,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:45,989 INFO L82 PathProgramCache]: Analyzing trace with hash 678542, now seen corresponding path program 1 times [2021-10-07 15:07:45,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:45,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546473174] [2021-10-07 15:07:45,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:45,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:46,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:46,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:46,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546473174] [2021-10-07 15:07:46,083 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546473174] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:46,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361065212] [2021-10-07 15:07:46,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:46,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:46,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:46,087 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) [2021-10-07 15:07:46,105 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 [2021-10-07 15:07:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:46,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:07:46,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:46,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361065212] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:46,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:07:46,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2021-10-07 15:07:46,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934828305] [2021-10-07 15:07:46,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-07 15:07:46,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:46,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-07 15:07:46,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:46,225 INFO L87 Difference]: Start difference. First operand 919 states and 3056 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) [2021-10-07 15:07:46,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:46,279 INFO L93 Difference]: Finished difference Result 1832 states and 6104 transitions. [2021-10-07 15:07:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:07:46,280 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 [2021-10-07 15:07:46,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:46,307 INFO L225 Difference]: With dead ends: 1832 [2021-10-07 15:07:46,307 INFO L226 Difference]: Without dead ends: 1832 [2021-10-07 15:07:46,308 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:46,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1832 states. [2021-10-07 15:07:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1832 to 918. [2021-10-07 15:07:46,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 791 states have (on average 3.862199747155499) internal successors, (3055), 917 states have internal predecessors, (3055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:46,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 3055 transitions. [2021-10-07 15:07:46,409 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 3055 transitions. Word has length 3 [2021-10-07 15:07:46,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:46,412 INFO L470 AbstractCegarLoop]: Abstraction has 918 states and 3055 transitions. [2021-10-07 15:07:46,413 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) [2021-10-07 15:07:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 3055 transitions. [2021-10-07 15:07:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-07 15:07:46,413 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:46,413 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-07 15:07:46,465 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 [2021-10-07 15:07:46,614 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 [2021-10-07 15:07:46,616 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:46,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:46,617 INFO L82 PathProgramCache]: Analyzing trace with hash 678528, now seen corresponding path program 1 times [2021-10-07 15:07:46,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:46,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817832531] [2021-10-07 15:07:46,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:46,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:46,715 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:46,715 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817832531] [2021-10-07 15:07:46,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817832531] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:46,716 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313957950] [2021-10-07 15:07:46,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:46,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:46,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:46,727 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) [2021-10-07 15:07:46,739 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 [2021-10-07 15:07:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:46,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-07 15:07:46,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:46,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313957950] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:46,818 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:07:46,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 3 [2021-10-07 15:07:46,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429761604] [2021-10-07 15:07:46,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:07:46,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:46,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:07:46,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:46,823 INFO L87 Difference]: Start difference. First operand 918 states and 3055 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) [2021-10-07 15:07:46,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:46,952 INFO L93 Difference]: Finished difference Result 2747 states and 9155 transitions. [2021-10-07 15:07:46,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-07 15:07:46,956 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 [2021-10-07 15:07:46,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:46,985 INFO L225 Difference]: With dead ends: 2747 [2021-10-07 15:07:46,985 INFO L226 Difference]: Without dead ends: 2747 [2021-10-07 15:07:46,986 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.6ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:46,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2747 states. [2021-10-07 15:07:47,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2747 to 919. [2021-10-07 15:07:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 792 states have (on average 3.859848484848485) internal successors, (3057), 918 states have internal predecessors, (3057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 3057 transitions. [2021-10-07 15:07:47,054 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 3057 transitions. Word has length 3 [2021-10-07 15:07:47,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:47,054 INFO L470 AbstractCegarLoop]: Abstraction has 919 states and 3057 transitions. [2021-10-07 15:07:47,056 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) [2021-10-07 15:07:47,056 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 3057 transitions. [2021-10-07 15:07:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-07 15:07:47,056 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:47,056 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1] [2021-10-07 15:07:47,094 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 [2021-10-07 15:07:47,270 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 [2021-10-07 15:07:47,271 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:47,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:47,273 INFO L82 PathProgramCache]: Analyzing trace with hash 21035391, now seen corresponding path program 2 times [2021-10-07 15:07:47,273 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:47,274 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583094960] [2021-10-07 15:07:47,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:47,275 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:47,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:47,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583094960] [2021-10-07 15:07:47,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583094960] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:47,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874283904] [2021-10-07 15:07:47,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-07 15:07:47,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:47,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:47,393 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) [2021-10-07 15:07:47,424 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 [2021-10-07 15:07:47,466 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-07 15:07:47,467 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-07 15:07:47,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-07 15:07:47,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:47,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-07 15:07:47,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874283904] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:47,491 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-07 15:07:47,491 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2021-10-07 15:07:47,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708365667] [2021-10-07 15:07:47,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:47,493 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:47,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:47,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:07:47,494 INFO L87 Difference]: Start difference. First operand 919 states and 3057 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) [2021-10-07 15:07:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:47,511 INFO L93 Difference]: Finished difference Result 918 states and 3056 transitions. [2021-10-07 15:07:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:47,513 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 [2021-10-07 15:07:47,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:47,526 INFO L225 Difference]: With dead ends: 918 [2021-10-07 15:07:47,534 INFO L226 Difference]: Without dead ends: 918 [2021-10-07 15:07:47,535 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 14.7ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-07 15:07:47,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 918 states. [2021-10-07 15:07:47,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 918 to 916. [2021-10-07 15:07:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 916 states, 790 states have (on average 3.8632911392405065) internal successors, (3052), 915 states have internal predecessors, (3052), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:47,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 3052 transitions. [2021-10-07 15:07:47,574 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 3052 transitions. Word has length 4 [2021-10-07 15:07:47,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:47,576 INFO L470 AbstractCegarLoop]: Abstraction has 916 states and 3052 transitions. [2021-10-07 15:07:47,576 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) [2021-10-07 15:07:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 3052 transitions. [2021-10-07 15:07:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-07 15:07:47,577 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:47,577 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-07 15:07:47,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-10-07 15:07:47,791 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 [2021-10-07 15:07:47,792 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:47,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:47,793 INFO L82 PathProgramCache]: Analyzing trace with hash 652109248, now seen corresponding path program 1 times [2021-10-07 15:07:47,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:47,794 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62332251] [2021-10-07 15:07:47,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:47,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:47,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:47,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:47,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62332251] [2021-10-07 15:07:47,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62332251] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:47,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:47,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-07 15:07:47,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516332220] [2021-10-07 15:07:47,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:07:47,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:47,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:07:47,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:47,911 INFO L87 Difference]: Start difference. First operand 916 states and 3052 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) [2021-10-07 15:07:48,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:48,032 INFO L93 Difference]: Finished difference Result 1317 states and 4254 transitions. [2021-10-07 15:07:48,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 15:07:48,033 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 5 [2021-10-07 15:07:48,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:48,047 INFO L225 Difference]: With dead ends: 1317 [2021-10-07 15:07:48,047 INFO L226 Difference]: Without dead ends: 1317 [2021-10-07 15:07:48,048 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.0ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-07 15:07:48,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2021-10-07 15:07:48,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1194. [2021-10-07 15:07:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1194 states, 1068 states have (on average 3.789325842696629) internal successors, (4047), 1193 states have internal predecessors, (4047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 4047 transitions. [2021-10-07 15:07:48,113 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 4047 transitions. Word has length 5 [2021-10-07 15:07:48,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:48,115 INFO L470 AbstractCegarLoop]: Abstraction has 1194 states and 4047 transitions. [2021-10-07 15:07:48,116 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) [2021-10-07 15:07:48,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 4047 transitions. [2021-10-07 15:07:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 15:07:48,117 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:48,117 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 15:07:48,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-07 15:07:48,123 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:48,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:48,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1259781889, now seen corresponding path program 1 times [2021-10-07 15:07:48,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:48,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006012757] [2021-10-07 15:07:48,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:48,125 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:48,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:48,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:48,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006012757] [2021-10-07 15:07:48,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006012757] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:48,340 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081013269] [2021-10-07 15:07:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:48,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:48,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:48,373 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) [2021-10-07 15:07:48,392 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 [2021-10-07 15:07:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:48,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-07 15:07:48,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:48,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-07 15:07:48,597 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-07 15:07:48,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 23 [2021-10-07 15:07:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:48,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081013269] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:48,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:07:48,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-10-07 15:07:48,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406665282] [2021-10-07 15:07:48,662 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-07 15:07:48,662 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:48,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-07 15:07:48,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-07 15:07:48,663 INFO L87 Difference]: Start difference. First operand 1194 states and 4047 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:48,922 INFO L93 Difference]: Finished difference Result 1320 states and 4260 transitions. [2021-10-07 15:07:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:07:48,923 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-07 15:07:48,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:48,937 INFO L225 Difference]: With dead ends: 1320 [2021-10-07 15:07:48,937 INFO L226 Difference]: Without dead ends: 1320 [2021-10-07 15:07:48,938 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 185.2ms TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-10-07 15:07:48,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-10-07 15:07:48,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1195. [2021-10-07 15:07:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 1069 states have (on average 3.7895229186155284) internal successors, (4051), 1194 states have internal predecessors, (4051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 4051 transitions. [2021-10-07 15:07:49,002 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 4051 transitions. Word has length 6 [2021-10-07 15:07:49,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:49,003 INFO L470 AbstractCegarLoop]: Abstraction has 1195 states and 4051 transitions. [2021-10-07 15:07:49,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:49,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 4051 transitions. [2021-10-07 15:07:49,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-07 15:07:49,004 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:49,004 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-07 15:07:49,047 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 [2021-10-07 15:07:49,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:49,219 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:49,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:49,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1259781869, now seen corresponding path program 1 times [2021-10-07 15:07:49,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:49,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057564815] [2021-10-07 15:07:49,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:49,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:49,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:49,346 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:49,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057564815] [2021-10-07 15:07:49,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057564815] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:49,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278258113] [2021-10-07 15:07:49,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:49,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:49,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:49,348 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) [2021-10-07 15:07:49,367 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 [2021-10-07 15:07:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:49,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-07 15:07:49,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:49,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-07 15:07:49,532 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-07 15:07:49,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 25 [2021-10-07 15:07:49,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:49,586 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278258113] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:49,586 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:07:49,586 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-10-07 15:07:49,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914459157] [2021-10-07 15:07:49,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-07 15:07:49,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:49,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-07 15:07:49,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-07 15:07:49,588 INFO L87 Difference]: Start difference. First operand 1195 states and 4051 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:49,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:49,859 INFO L93 Difference]: Finished difference Result 1319 states and 4258 transitions. [2021-10-07 15:07:49,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:07:49,860 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-10-07 15:07:49,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:49,873 INFO L225 Difference]: With dead ends: 1319 [2021-10-07 15:07:49,873 INFO L226 Difference]: Without dead ends: 1319 [2021-10-07 15:07:49,874 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 176.9ms TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2021-10-07 15:07:49,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2021-10-07 15:07:49,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1195. [2021-10-07 15:07:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 1069 states have (on average 3.7885874649204863) internal successors, (4050), 1194 states have internal predecessors, (4050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:49,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 4050 transitions. [2021-10-07 15:07:49,955 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 4050 transitions. Word has length 6 [2021-10-07 15:07:49,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:49,955 INFO L470 AbstractCegarLoop]: Abstraction has 1195 states and 4050 transitions. [2021-10-07 15:07:49,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 4050 transitions. [2021-10-07 15:07:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:07:49,957 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:49,957 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:50,000 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 [2021-10-07 15:07:50,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:50,172 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:50,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:50,172 INFO L82 PathProgramCache]: Analyzing trace with hash -398531742, now seen corresponding path program 1 times [2021-10-07 15:07:50,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:50,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912859726] [2021-10-07 15:07:50,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:50,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:50,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:50,389 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:50,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912859726] [2021-10-07 15:07:50,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912859726] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:50,390 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662004477] [2021-10-07 15:07:50,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:50,390 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:50,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:50,392 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) [2021-10-07 15:07:50,413 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 [2021-10-07 15:07:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:50,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-07 15:07:50,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:50,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 599 treesize of output 567 [2021-10-07 15:07:50,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-10-07 15:07:50,728 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-07 15:07:50,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-10-07 15:07:50,816 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-07 15:07:50,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-10-07 15:07:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:50,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662004477] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:50,840 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:07:50,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-10-07 15:07:50,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146142399] [2021-10-07 15:07:50,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-07 15:07:50,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:50,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-07 15:07:50,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-10-07 15:07:50,843 INFO L87 Difference]: Start difference. First operand 1195 states and 4050 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:51,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:51,132 INFO L93 Difference]: Finished difference Result 1343 states and 4327 transitions. [2021-10-07 15:07:51,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:07:51,133 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:07:51,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:51,147 INFO L225 Difference]: With dead ends: 1343 [2021-10-07 15:07:51,147 INFO L226 Difference]: Without dead ends: 1343 [2021-10-07 15:07:51,148 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 154.2ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-07 15:07:51,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1343 states. [2021-10-07 15:07:51,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1343 to 1203. [2021-10-07 15:07:51,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1077 states have (on average 3.796657381615599) internal successors, (4089), 1202 states have internal predecessors, (4089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 4089 transitions. [2021-10-07 15:07:51,202 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 4089 transitions. Word has length 7 [2021-10-07 15:07:51,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:51,202 INFO L470 AbstractCegarLoop]: Abstraction has 1203 states and 4089 transitions. [2021-10-07 15:07:51,203 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:51,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 4089 transitions. [2021-10-07 15:07:51,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:07:51,204 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:51,204 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:51,245 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 [2021-10-07 15:07:51,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:51,420 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:51,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:51,422 INFO L82 PathProgramCache]: Analyzing trace with hash -398531722, now seen corresponding path program 1 times [2021-10-07 15:07:51,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:51,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652814345] [2021-10-07 15:07:51,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:51,423 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:51,618 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:51,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652814345] [2021-10-07 15:07:51,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652814345] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:51,619 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988809564] [2021-10-07 15:07:51,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:51,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:51,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:51,623 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) [2021-10-07 15:07:51,651 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 [2021-10-07 15:07:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:51,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 22 conjunts are in the unsatisfiable core [2021-10-07 15:07:51,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:51,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 53 [2021-10-07 15:07:51,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-10-07 15:07:51,881 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-07 15:07:51,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-07 15:07:51,975 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-10-07 15:07:51,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-10-07 15:07:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:52,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988809564] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:52,000 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:07:52,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2021-10-07 15:07:52,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704499658] [2021-10-07 15:07:52,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-10-07 15:07:52,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:52,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-07 15:07:52,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-10-07 15:07:52,009 INFO L87 Difference]: Start difference. First operand 1203 states and 4089 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:52,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:52,279 INFO L93 Difference]: Finished difference Result 1335 states and 4304 transitions. [2021-10-07 15:07:52,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-07 15:07:52,280 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:07:52,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:52,304 INFO L225 Difference]: With dead ends: 1335 [2021-10-07 15:07:52,305 INFO L226 Difference]: Without dead ends: 1335 [2021-10-07 15:07:52,305 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 165.6ms TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2021-10-07 15:07:52,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-10-07 15:07:52,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1203. [2021-10-07 15:07:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1077 states have (on average 3.7892293407613744) internal successors, (4081), 1202 states have internal predecessors, (4081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:52,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 4081 transitions. [2021-10-07 15:07:52,369 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 4081 transitions. Word has length 7 [2021-10-07 15:07:52,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:52,369 INFO L470 AbstractCegarLoop]: Abstraction has 1203 states and 4081 transitions. [2021-10-07 15:07:52,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 4081 transitions. [2021-10-07 15:07:52,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:07:52,372 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:52,372 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:52,415 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 [2021-10-07 15:07:52,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:52,588 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:52,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:52,589 INFO L82 PathProgramCache]: Analyzing trace with hash -398530564, now seen corresponding path program 1 times [2021-10-07 15:07:52,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:52,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576972243] [2021-10-07 15:07:52,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:52,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:52,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:52,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:52,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576972243] [2021-10-07 15:07:52,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576972243] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:52,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284491540] [2021-10-07 15:07:52,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:52,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-07 15:07:52,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-07 15:07:52,668 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) [2021-10-07 15:07:52,705 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 [2021-10-07 15:07:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:52,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-07 15:07:52,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-07 15:07:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:52,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284491540] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-07 15:07:52,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-07 15:07:52,871 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-10-07 15:07:52,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103822207] [2021-10-07 15:07:52,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-07 15:07:52,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:52,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-07 15:07:52,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-07 15:07:52,874 INFO L87 Difference]: Start difference. First operand 1203 states and 4081 transitions. Second operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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) [2021-10-07 15:07:53,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:53,196 INFO L93 Difference]: Finished difference Result 2208 states and 7079 transitions. [2021-10-07 15:07:53,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-07 15:07:53,197 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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 7 [2021-10-07 15:07:53,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:53,218 INFO L225 Difference]: With dead ends: 2208 [2021-10-07 15:07:53,218 INFO L226 Difference]: Without dead ends: 2208 [2021-10-07 15:07:53,219 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 135.6ms TimeCoverageRelationStatistics Valid=97, Invalid=209, Unknown=0, NotChecked=0, Total=306 [2021-10-07 15:07:53,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2208 states. [2021-10-07 15:07:53,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2208 to 1475. [2021-10-07 15:07:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1349 states have (on average 3.9481097108969605) internal successors, (5326), 1474 states have internal predecessors, (5326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 5326 transitions. [2021-10-07 15:07:53,323 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 5326 transitions. Word has length 7 [2021-10-07 15:07:53,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:53,323 INFO L470 AbstractCegarLoop]: Abstraction has 1475 states and 5326 transitions. [2021-10-07 15:07:53,323 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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) [2021-10-07 15:07:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 5326 transitions. [2021-10-07 15:07:53,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:07:53,326 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:53,326 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:53,367 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 [2021-10-07 15:07:53,538 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,SelfDestructingSolverStorable9 [2021-10-07 15:07:53,539 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:53,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:53,540 INFO L82 PathProgramCache]: Analyzing trace with hash -382090071, now seen corresponding path program 1 times [2021-10-07 15:07:53,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:53,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459101436] [2021-10-07 15:07:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:53,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:53,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:53,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459101436] [2021-10-07 15:07:53,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459101436] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:53,566 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:53,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-07 15:07:53,567 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374304035] [2021-10-07 15:07:53,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-07 15:07:53,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:53,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-07 15:07:53,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:53,568 INFO L87 Difference]: Start difference. First operand 1475 states and 5326 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:53,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:53,601 INFO L93 Difference]: Finished difference Result 2308 states and 8353 transitions. [2021-10-07 15:07:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-07 15:07:53,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:07:53,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:53,617 INFO L225 Difference]: With dead ends: 2308 [2021-10-07 15:07:53,617 INFO L226 Difference]: Without dead ends: 2308 [2021-10-07 15:07:53,617 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-07 15:07:53,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2308 states. [2021-10-07 15:07:53,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2308 to 1678. [2021-10-07 15:07:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1552 states have (on average 4.304123711340206) internal successors, (6680), 1677 states have internal predecessors, (6680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 6680 transitions. [2021-10-07 15:07:53,728 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 6680 transitions. Word has length 7 [2021-10-07 15:07:53,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:53,729 INFO L470 AbstractCegarLoop]: Abstraction has 1678 states and 6680 transitions. [2021-10-07 15:07:53,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 6680 transitions. [2021-10-07 15:07:53,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-07 15:07:53,731 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:53,731 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:53,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-07 15:07:53,732 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:53,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:53,733 INFO L82 PathProgramCache]: Analyzing trace with hash -382090123, now seen corresponding path program 1 times [2021-10-07 15:07:53,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:53,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427436823] [2021-10-07 15:07:53,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:53,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-07 15:07:53,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-07 15:07:53,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-07 15:07:53,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427436823] [2021-10-07 15:07:53,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427436823] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-07 15:07:53,800 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-07 15:07:53,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-07 15:07:53,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924925840] [2021-10-07 15:07:53,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-07 15:07:53,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-07 15:07:53,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-07 15:07:53,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-07 15:07:53,802 INFO L87 Difference]: Start difference. First operand 1678 states and 6680 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:53,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-07 15:07:53,925 INFO L93 Difference]: Finished difference Result 1747 states and 6731 transitions. [2021-10-07 15:07:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-07 15:07:53,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-10-07 15:07:53,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-07 15:07:53,939 INFO L225 Difference]: With dead ends: 1747 [2021-10-07 15:07:53,939 INFO L226 Difference]: Without dead ends: 1747 [2021-10-07 15:07:53,940 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.9ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-07 15:07:53,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2021-10-07 15:07:54,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1692. [2021-10-07 15:07:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1692 states, 1566 states have (on average 4.231162196679438) internal successors, (6626), 1691 states have internal predecessors, (6626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:54,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 6626 transitions. [2021-10-07 15:07:54,030 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 6626 transitions. Word has length 7 [2021-10-07 15:07:54,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-07 15:07:54,031 INFO L470 AbstractCegarLoop]: Abstraction has 1692 states and 6626 transitions. [2021-10-07 15:07:54,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-07 15:07:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 6626 transitions. [2021-10-07 15:07:54,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-07 15:07:54,032 INFO L504 BasicCegarLoop]: Found error trace [2021-10-07 15:07:54,032 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-10-07 15:07:54,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-07 15:07:54,033 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2021-10-07 15:07:54,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-07 15:07:54,033 INFO L82 PathProgramCache]: Analyzing trace with hash 520089467, now seen corresponding path program 2 times [2021-10-07 15:07:54,034 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-07 15:07:54,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82620094] [2021-10-07 15:07:54,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-07 15:07:54,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-07 15:07:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-07 15:07:54,057 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-07 15:07:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-07 15:07:54,110 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-07 15:07:54,110 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-07 15:07:54,111 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,114 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,115 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,116 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,117 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-07 15:07:54,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-07 15:07:54,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-07 15:07:54,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,120 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,121 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-07 15:07:54,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-07 15:07:54,132 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-07 15:07:54,132 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-07 15:07:54,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:07:54 BasicIcfg [2021-10-07 15:07:54,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-07 15:07:54,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-07 15:07:54,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-07 15:07:54,172 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-07 15:07:54,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:37" (3/4) ... [2021-10-07 15:07:54,176 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-07 15:07:54,235 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/popl20-more-sum-array-hom.wvr.c-witness.graphml [2021-10-07 15:07:54,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-07 15:07:54,236 INFO L168 Benchmark]: Toolchain (without parser) took 18455.95 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 126.5 MB in the beginning and 82.3 MB in the end (delta: 44.2 MB). Peak memory consumption was 122.5 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:54,237 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 123.1 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-07 15:07:54,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.04 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 115.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:54,237 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.38 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 113.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:54,238 INFO L168 Benchmark]: Boogie Preprocessor took 76.66 ms. Allocated memory is still 151.0 MB. Free memory was 113.6 MB in the beginning and 112.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:54,238 INFO L168 Benchmark]: RCFGBuilder took 702.67 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 129.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:54,239 INFO L168 Benchmark]: TraceAbstraction took 17062.13 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 129.2 MB in the beginning and 85.9 MB in the end (delta: 43.3 MB). Peak memory consumption was 121.9 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:54,239 INFO L168 Benchmark]: Witness Printer took 62.98 ms. Allocated memory is still 228.6 MB. Free memory was 85.9 MB in the beginning and 82.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-07 15:07:54,242 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory was 123.2 MB in the beginning and 123.1 MB in the end (delta: 119.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 438.04 ms. Allocated memory is still 151.0 MB. Free memory was 126.1 MB in the beginning and 115.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 93.38 ms. Allocated memory is still 151.0 MB. Free memory was 115.5 MB in the beginning and 113.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 76.66 ms. Allocated memory is still 151.0 MB. Free memory was 113.6 MB in the beginning and 112.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 702.67 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 129.8 MB in the end (delta: -17.5 MB). Peak memory consumption was 14.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17062.13 ms. Allocated memory was 151.0 MB in the beginning and 228.6 MB in the end (delta: 77.6 MB). Free memory was 129.2 MB in the beginning and 85.9 MB in the end (delta: 43.3 MB). Peak memory consumption was 121.9 MB. Max. memory is 8.0 GB. * Witness Printer took 62.98 ms. Allocated memory is still 228.6 MB. Free memory was 85.9 MB in the beginning and 82.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7804.3ms, 175 PlacesBefore, 49 PlacesAfterwards, 177 TransitionsBefore, 43 TransitionsAfterwards, 3840 CoEnabledTransitionPairs, 7 FixpointIterations, 82 TrivialSequentialCompositions, 73 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 6 ConcurrentYvCompositions, 8 ChoiceCompositions, 183 TotalNumberOfCompositions, 4779 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4301, positive: 4262, positive conditional: 0, positive unconditional: 4262, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2486, positive: 2473, positive conditional: 0, positive unconditional: 2473, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2486, positive: 2473, positive conditional: 0, positive unconditional: 2473, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4301, positive: 1789, positive conditional: 0, positive unconditional: 1789, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 2486, unknown conditional: 0, unknown unconditional: 2486] , Statistics on independence cache: Total cache size (in pairs): 121, Positive cache size: 118, Positive conditional cache size: 0, Positive unconditional cache size: 118, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - 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 - CounterExampleResult [Line: 47]: integer overflow possible integer overflow possible We found a FailurePath: [L40] 0 int* A; [L41] 0 int sum1, sum2, sum3, M, N; [L70] 0 pthread_t t1, t2, t3; [L73] 0 M = __VERIFIER_nondet_int() [L74] 0 N = __VERIFIER_nondet_int() [L37] COND FALSE 0 !(!cond) [L37] COND FALSE 0 !(!cond) [L97] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L98] 0 int i = 0; VAL [A={0:0}, M=0, N=2, sum1=0, sum2=0, sum3=0] [L98] COND TRUE 0 i < size [L99] 0 arr[i] = __VERIFIER_nondet_int() [L98] 0 i++ VAL [A={0:0}, M=0, N=2, sum1=0, sum2=0, sum3=0] [L98] COND TRUE 0 i < size [L99] 0 arr[i] = __VERIFIER_nondet_int() [L98] 0 i++ VAL [A={0:0}, M=0, N=2, sum1=0, sum2=0, sum3=0] [L98] COND FALSE 0 !(i < size) [L101] 0 return arr; [L75] 0 A = create_fresh_int_array(N) [L37] COND FALSE 0 !(!cond) [L80] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [A={3:0}, M=0, N=2, sum1=0, sum2=0, sum3=0] [L46] 1 int i=0; VAL [A={3:0}, i=0, M=0, N=2, sum1=0, sum2=0, sum3=0] [L46] COND TRUE 1 i