/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-05 20:28:26,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-05 20:28:26,327 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-05 20:28:26,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-05 20:28:26,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-05 20:28:26,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-05 20:28:26,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-05 20:28:26,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-05 20:28:26,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-05 20:28:26,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-05 20:28:26,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-05 20:28:26,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-05 20:28:26,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-05 20:28:26,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-05 20:28:26,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-05 20:28:26,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-05 20:28:26,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-05 20:28:26,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-05 20:28:26,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-05 20:28:26,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-05 20:28:26,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-05 20:28:26,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-05 20:28:26,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-05 20:28:26,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-05 20:28:26,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-05 20:28:26,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-05 20:28:26,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-05 20:28:26,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-05 20:28:26,405 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-06-05 20:28:26,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-05 20:28:26,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-05 20:28:26,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-05 20:28:26,433 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-05 20:28:26,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-05 20:28:26,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-05 20:28:26,434 INFO L138 SettingsManager]: * Use SBE=true [2021-06-05 20:28:26,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-05 20:28:26,435 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-05 20:28:26,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-05 20:28:26,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-05 20:28:26,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-05 20:28:26,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-05 20:28:26,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-05 20:28:26,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 20:28:26,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-05 20:28:26,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-05 20:28:26,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-05 20:28:26,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-05 20:28:26,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-05 20:28:26,437 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-05 20:28:26,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-05 20:28:26,437 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-05 20:28:26,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-05 20:28:26,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-05 20:28:26,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-05 20:28:26,724 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-05 20:28:26,726 INFO L275 PluginConnector]: CDTParser initialized [2021-06-05 20:28:26,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2021-06-05 20:28:26,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6396a3d9/8591094dd662464c9f314ed9d289aeb1/FLAG83fea6f13 [2021-06-05 20:28:27,123 INFO L306 CDTParser]: Found 1 translation units. [2021-06-05 20:28:27,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2021-06-05 20:28:27,124 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 20:28:27,124 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 20:28:27,124 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-05 20:28:27,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6396a3d9/8591094dd662464c9f314ed9d289aeb1/FLAG83fea6f13 [2021-06-05 20:28:27,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6396a3d9/8591094dd662464c9f314ed9d289aeb1 [2021-06-05 20:28:27,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-05 20:28:27,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-05 20:28:27,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-05 20:28:27,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-05 20:28:27,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-05 20:28:27,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c045d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27, skipping insertion in model container [2021-06-05 20:28:27,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-05 20:28:27,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-05 20:28:27,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:28:27,361 INFO L203 MainTranslator]: Completed pre-run [2021-06-05 20:28:27,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-05 20:28:27,382 INFO L208 MainTranslator]: Completed translation [2021-06-05 20:28:27,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27 WrapperNode [2021-06-05 20:28:27,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-05 20:28:27,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-05 20:28:27,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-05 20:28:27,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-05 20:28:27,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-05 20:28:27,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-05 20:28:27,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-05 20:28:27,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-05 20:28:27,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... [2021-06-05 20:28:27,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-05 20:28:27,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-05 20:28:27,435 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-05 20:28:27,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-05 20:28:27,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-05 20:28:27,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-05 20:28:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-05 20:28:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-05 20:28:27,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-05 20:28:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-05 20:28:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2021-06-05 20:28:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2021-06-05 20:28:27,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-05 20:28:27,495 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-05 20:28:27,759 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-05 20:28:27,759 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-06-05 20:28:27,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:28:27 BoogieIcfgContainer [2021-06-05 20:28:27,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-05 20:28:27,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-05 20:28:27,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-05 20:28:27,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-05 20:28:27,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.06 08:28:27" (1/3) ... [2021-06-05 20:28:27,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c38f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:28:27, skipping insertion in model container [2021-06-05 20:28:27,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.06 08:28:27" (2/3) ... [2021-06-05 20:28:27,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22c38f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.06 08:28:27, skipping insertion in model container [2021-06-05 20:28:27,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.06 08:28:27" (3/3) ... [2021-06-05 20:28:27,766 INFO L111 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2021-06-05 20:28:27,769 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-05 20:28:27,770 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-05 20:28:27,770 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-05 20:28:27,770 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-05 20:28:27,797 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,797 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,798 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,798 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,798 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,798 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,798 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,798 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,799 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,799 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,799 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,799 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,799 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,799 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,799 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,799 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,800 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,800 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,800 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,800 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,800 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,800 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,801 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,801 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,801 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,801 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,801 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,801 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,802 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,802 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,802 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,802 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,802 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,802 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,802 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,803 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,803 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,803 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,803 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,803 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,803 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,803 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,806 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,806 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,807 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,807 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,807 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,807 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,807 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,807 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,807 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,808 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,808 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,808 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:27,814 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-05 20:28:27,829 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:28:27,842 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:28:27,843 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:28:27,843 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:28:27,843 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:28:27,843 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:28:27,843 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:28:27,843 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:28:27,843 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThreadThread1of1ForFork0======== [2021-06-05 20:28:27,850 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 59 transitions, 126 flow [2021-06-05 20:28:27,877 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:27,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:27,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 20:28:27,891 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:27,892 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:28:27,893 INFO L430 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:28:27,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:27,899 INFO L82 PathProgramCache]: Analyzing trace with hash 602049147, now seen corresponding path program 1 times [2021-06-05 20:28:27,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:27,906 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241595266] [2021-06-05 20:28:27,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:28:28,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:28:28,086 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:28:28,086 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241595266] [2021-06-05 20:28:28,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241595266] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:28:28,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:28:28,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 20:28:28,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918112605] [2021-06-05 20:28:28,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 20:28:28,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:28:28,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 20:28:28,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:28:28,101 INFO L87 Difference]: Start difference. First operand has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 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 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:28,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:28:28,134 INFO L93 Difference]: Finished difference Result 390 states and 712 transitions. [2021-06-05 20:28:28,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 20:28:28,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 20:28:28,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:28:28,139 INFO L225 Difference]: With dead ends: 390 [2021-06-05 20:28:28,139 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 20:28:28,140 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.0ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:28:28,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 20:28:28,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 20:28:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 20:28:28,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-06-05 20:28:28,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:28:28,156 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 20:28:28,156 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:28,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 20:28:28,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:28:28,156 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-05 20:28:28,157 INFO L301 ceAbstractionStarter]: Result for error location myThreadThread1of1ForFork0 was SAFE (1/3) [2021-06-05 20:28:28,158 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:28:28,163 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:28:28,164 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:28:28,164 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:28:28,164 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:28:28,164 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:28:28,164 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:28:28,164 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:28:28,164 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 20:28:28,166 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 59 transitions, 126 flow [2021-06-05 20:28:28,171 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 403 states have (on average 1.9081885856079404) internal successors, (769), 407 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-06-05 20:28:28,173 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:28,174 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:28:28,174 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 20:28:28,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:28,174 INFO L82 PathProgramCache]: Analyzing trace with hash 928431840, now seen corresponding path program 1 times [2021-06-05 20:28:28,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:28,175 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523918319] [2021-06-05 20:28:28,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:28:28,191 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:28:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:28:28,206 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:28:28,222 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 20:28:28,222 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 20:28:28,222 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-05 20:28:28,223 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (2/3) [2021-06-05 20:28:28,223 WARN L243 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 20:28:28,223 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-06-05 20:28:28,232 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,232 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,232 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,232 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,232 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,232 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,232 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,232 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,233 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,233 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,233 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,233 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,233 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,233 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,233 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,233 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,233 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,234 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,234 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,234 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,234 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,234 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,234 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,234 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,234 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,235 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,235 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,235 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,235 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,235 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,235 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,235 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,235 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,237 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,237 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,237 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,237 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,237 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,237 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,237 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,240 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,241 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,241 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,241 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,241 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,241 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,241 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,241 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,241 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,242 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,243 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,243 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,243 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,245 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,246 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,246 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,246 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,246 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,246 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,250 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-05 20:28:28,250 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:28:28,251 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:28:28,251 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:28:28,252 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:28:28,252 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:28:28,252 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:28:28,252 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:28:28,252 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:28:28,252 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 20:28:28,254 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 81 transitions, 180 flow [2021-06-05 20:28:28,547 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8703 states, 8691 states have (on average 2.8241859394776205) internal successors, (24545), 8702 states have internal predecessors, (24545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 8703 states, 8691 states have (on average 2.8241859394776205) internal successors, (24545), 8702 states have internal predecessors, (24545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:28:28,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-06-05 20:28:28,583 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:28:28,583 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:28:28,584 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 20:28:28,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:28:28,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1079315916, now seen corresponding path program 1 times [2021-06-05 20:28:28,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:28:28,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368956479] [2021-06-05 20:28:28,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:28:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:28:28,619 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:28:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:28:28,637 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:28:28,643 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 20:28:28,644 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 20:28:28,644 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-05 20:28:28,644 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE (1/4) [2021-06-05 20:28:28,644 WARN L243 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-06-05 20:28:28,644 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-06-05 20:28:28,673 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,674 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,674 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,674 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,674 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,674 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,674 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,674 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,674 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,675 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,676 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,676 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,676 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,676 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,676 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,676 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,676 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,676 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,677 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,677 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,677 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,677 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,677 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,677 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,677 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,677 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,677 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,678 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,678 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,678 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,678 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,678 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,678 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,678 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,678 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,679 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,680 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,680 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,680 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,680 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,680 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,680 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,680 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,680 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,680 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,681 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,681 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,681 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,681 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,681 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,681 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,681 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,682 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,682 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,682 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,682 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,682 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,682 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,682 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,682 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,682 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,683 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,683 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,683 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,683 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,683 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,683 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,683 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,684 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,685 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,686 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,687 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,687 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,687 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,687 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,687 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,687 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,687 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,687 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,687 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,688 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,688 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,688 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,688 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,688 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,688 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,689 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,689 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,689 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,689 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,689 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,689 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,691 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,691 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,691 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,691 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,691 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,692 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,692 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,692 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,692 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,692 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,692 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,692 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,697 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,698 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,698 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,698 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,698 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,698 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,698 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,698 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,698 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,699 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,699 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,699 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-05 20:28:28,711 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-05 20:28:28,711 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:28:28,712 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:28:28,712 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:28:28,712 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:28:28,712 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:28:28,712 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:28:28,712 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:28:28,712 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:28:28,713 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThreadThread3of3ForFork0======== [2021-06-05 20:28:28,721 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-05 20:29:27,629 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:27,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-06-05 20:29:27,946 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:27,947 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:29:27,947 INFO L430 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:29:27,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:27,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1341570644, now seen corresponding path program 1 times [2021-06-05 20:29:27,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:27,949 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6103463] [2021-06-05 20:29:27,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:29:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-05 20:29:28,055 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:29:28,055 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6103463] [2021-06-05 20:29:28,055 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6103463] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:29:28,055 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:29:28,055 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 20:29:28,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270227138] [2021-06-05 20:29:28,056 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 20:29:28,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:29:28,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 20:29:28,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:29:28,248 INFO L87 Difference]: Start difference. First operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 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 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:30,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:29:30,477 INFO L93 Difference]: Finished difference Result 238575 states and 855121 transitions. [2021-06-05 20:29:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 20:29:30,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 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 64 [2021-06-05 20:29:30,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:29:31,501 INFO L225 Difference]: With dead ends: 238575 [2021-06-05 20:29:31,502 INFO L226 Difference]: Without dead ends: 192582 [2021-06-05 20:29:31,502 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.6ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:29:41,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192582 states. [2021-06-05 20:29:45,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192582 to 177336. [2021-06-05 20:29:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177336 states, 177327 states have (on average 3.66923818707811) internal successors, (650655), 177335 states have internal predecessors, (650655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177336 states to 177336 states and 650655 transitions. [2021-06-05 20:29:46,611 INFO L78 Accepts]: Start accepts. Automaton has 177336 states and 650655 transitions. Word has length 64 [2021-06-05 20:29:46,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:29:46,612 INFO L482 AbstractCegarLoop]: Abstraction has 177336 states and 650655 transitions. [2021-06-05 20:29:46,613 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:29:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 177336 states and 650655 transitions. [2021-06-05 20:29:46,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-05 20:29:46,985 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:29:46,985 INFO L554 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:29:46,985 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-05 20:29:46,985 INFO L430 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:29:46,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:29:46,986 INFO L82 PathProgramCache]: Analyzing trace with hash -74864138, now seen corresponding path program 1 times [2021-06-05 20:29:46,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:29:46,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251781968] [2021-06-05 20:29:46,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:29:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:29:47,018 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:29:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:29:47,030 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:29:47,038 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 20:29:47,038 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 20:29:47,039 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-05 20:29:47,039 INFO L301 ceAbstractionStarter]: Result for error location myThreadThread3of3ForFork0 was UNSAFE (1/5) [2021-06-05 20:29:47,041 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:29:47,041 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:29:47,041 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:29:47,041 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:29:47,042 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:29:47,042 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:29:47,042 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:29:47,042 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:29:47,042 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThreadThread1of3ForFork0======== [2021-06-05 20:29:47,043 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-05 20:30:38,322 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:38,525 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-06-05 20:30:38,527 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:38,527 INFO L554 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:30:38,527 INFO L430 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:30:38,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:38,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1652472541, now seen corresponding path program 1 times [2021-06-05 20:30:38,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:38,528 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674846847] [2021-06-05 20:30:38,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:30:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:30:38,554 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:30:38,555 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674846847] [2021-06-05 20:30:38,555 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674846847] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:30:38,555 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:30:38,555 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 20:30:38,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513380727] [2021-06-05 20:30:38,555 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 20:30:38,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:30:38,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 20:30:38,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:30:38,754 INFO L87 Difference]: Start difference. First operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 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 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:40,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:30:40,511 INFO L93 Difference]: Finished difference Result 238575 states and 855121 transitions. [2021-06-05 20:30:40,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 20:30:40,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-06-05 20:30:40,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:30:41,298 INFO L225 Difference]: With dead ends: 238575 [2021-06-05 20:30:41,299 INFO L226 Difference]: Without dead ends: 193025 [2021-06-05 20:30:41,299 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:30:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193025 states. [2021-06-05 20:30:54,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193025 to 177896. [2021-06-05 20:30:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177896 states, 177885 states have (on average 3.6660145599685188) internal successors, (652129), 177895 states have internal predecessors, (652129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177896 states to 177896 states and 652129 transitions. [2021-06-05 20:30:55,642 INFO L78 Accepts]: Start accepts. Automaton has 177896 states and 652129 transitions. Word has length 36 [2021-06-05 20:30:55,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:30:55,644 INFO L482 AbstractCegarLoop]: Abstraction has 177896 states and 652129 transitions. [2021-06-05 20:30:55,644 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:30:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 177896 states and 652129 transitions. [2021-06-05 20:30:55,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 20:30:55,653 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:30:55,653 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:30:55,653 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-05 20:30:55,653 INFO L430 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:30:55,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:30:55,654 INFO L82 PathProgramCache]: Analyzing trace with hash 943126845, now seen corresponding path program 1 times [2021-06-05 20:30:55,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:30:55,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554224078] [2021-06-05 20:30:55,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:30:55,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:30:55,671 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:30:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:30:55,679 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:30:55,684 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 20:30:55,684 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 20:30:55,685 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-05 20:30:55,685 INFO L301 ceAbstractionStarter]: Result for error location myThreadThread1of3ForFork0 was UNSAFE (2/5) [2021-06-05 20:30:55,685 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:30:55,686 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:30:55,686 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:30:55,686 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:30:55,686 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:30:55,686 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:30:55,686 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:30:55,686 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:30:55,686 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThreadThread2of3ForFork0======== [2021-06-05 20:30:55,687 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-05 20:31:45,591 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:45,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-06-05 20:31:45,794 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:31:45,795 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:31:45,795 INFO L430 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:31:45,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:31:45,795 INFO L82 PathProgramCache]: Analyzing trace with hash -679552101, now seen corresponding path program 1 times [2021-06-05 20:31:45,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:31:45,795 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026599547] [2021-06-05 20:31:45,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:31:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:31:45,822 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-06-05 20:31:45,822 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:31:45,822 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026599547] [2021-06-05 20:31:45,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026599547] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-05 20:31:45,823 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-05 20:31:45,823 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-05 20:31:45,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905766044] [2021-06-05 20:31:45,823 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-05 20:31:45,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:31:45,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-05 20:31:45,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:31:46,014 INFO L87 Difference]: Start difference. First operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 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 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:31:47,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:31:47,856 INFO L93 Difference]: Finished difference Result 238575 states and 855121 transitions. [2021-06-05 20:31:47,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-05 20:31:47,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 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 50 [2021-06-05 20:31:47,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:31:48,524 INFO L225 Difference]: With dead ends: 238575 [2021-06-05 20:31:48,524 INFO L226 Difference]: Without dead ends: 193053 [2021-06-05 20:31:48,524 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-05 20:31:58,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193053 states. [2021-06-05 20:32:01,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193053 to 177924. [2021-06-05 20:32:01,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177924 states, 177913 states have (on average 3.6657523621095702) internal successors, (652185), 177923 states have internal predecessors, (652185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:02,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177924 states to 177924 states and 652185 transitions. [2021-06-05 20:32:02,285 INFO L78 Accepts]: Start accepts. Automaton has 177924 states and 652185 transitions. Word has length 50 [2021-06-05 20:32:02,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:32:02,286 INFO L482 AbstractCegarLoop]: Abstraction has 177924 states and 652185 transitions. [2021-06-05 20:32:02,286 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 177924 states and 652185 transitions. [2021-06-05 20:32:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-06-05 20:32:02,291 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:32:02,291 INFO L554 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:32:02,292 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-05 20:32:02,292 INFO L430 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT]=== [2021-06-05 20:32:02,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:32:02,292 INFO L82 PathProgramCache]: Analyzing trace with hash -915150147, now seen corresponding path program 1 times [2021-06-05 20:32:02,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:32:02,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098671209] [2021-06-05 20:32:02,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:32:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:32:02,299 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:32:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-05 20:32:02,305 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-05 20:32:02,310 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-05 20:32:02,310 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-05 20:32:02,310 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-05 20:32:02,310 INFO L301 ceAbstractionStarter]: Result for error location myThreadThread2of3ForFork0 was UNSAFE (3/5) [2021-06-05 20:32:02,310 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:32:02,311 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:32:02,311 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:32:02,311 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:32:02,311 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:32:02,311 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:32:02,311 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:32:02,311 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:32:02,311 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-05 20:32:02,317 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-05 20:32:52,907 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:53,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:53,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-06-05 20:32:53,113 INFO L546 BasicCegarLoop]: Found error trace [2021-06-05 20:32:53,114 INFO L554 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-05 20:32:53,114 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-06-05 20:32:53,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-05 20:32:53,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1577802081, now seen corresponding path program 1 times [2021-06-05 20:32:53,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-05 20:32:53,114 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396966401] [2021-06-05 20:32:53,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-05 20:32:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:32:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 35 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:32:53,320 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-05 20:32:53,320 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396966401] [2021-06-05 20:32:53,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396966401] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 20:32:53,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572252574] [2021-06-05 20:32:53,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-05 20:32:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-05 20:32:53,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 18 conjunts are in the unsatisfiable core [2021-06-05 20:32:53,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-05 20:32:53,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-06-05 20:32:53,453 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,454 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,455 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,455 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-06-05 20:32:53,479 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-06-05 20:32:53,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-06-05 20:32:53,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,484 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,484 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2021-06-05 20:32:53,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-05 20:32:53,502 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,506 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:12 [2021-06-05 20:32:53,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 20:32:53,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,562 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,565 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:12 [2021-06-05 20:32:53,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-06-05 20:32:53,635 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,641 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:12 [2021-06-05 20:32:53,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 20:32:53,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,678 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,680 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,680 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:12 [2021-06-05 20:32:53,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-06-05 20:32:53,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,756 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,756 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:32, output treesize:12 [2021-06-05 20:32:53,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-06-05 20:32:53,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,801 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,801 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:23, output treesize:7 [2021-06-05 20:32:53,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-06-05 20:32:53,871 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,874 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,875 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:7 [2021-06-05 20:32:53,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-06-05 20:32:53,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-05 20:32:53,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-06-05 20:32:53,906 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2021-06-05 20:32:53,914 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 23 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-05 20:32:53,914 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572252574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-05 20:32:53,914 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-05 20:32:53,914 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 23 [2021-06-05 20:32:53,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611583041] [2021-06-05 20:32:53,915 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-05 20:32:53,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-05 20:32:53,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-05 20:32:53,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=432, Unknown=0, NotChecked=0, Total=506 [2021-06-05 20:32:54,113 INFO L87 Difference]: Start difference. First operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 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 23 states, 23 states have (on average 3.3043478260869565) internal successors, (76), 23 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:55,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-05 20:32:55,691 INFO L93 Difference]: Finished difference Result 131301 states and 477220 transitions. [2021-06-05 20:32:55,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-06-05 20:32:55,691 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.3043478260869565) internal successors, (76), 23 states have internal predecessors, (76), 0 states have call successors, (0), 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 60 [2021-06-05 20:32:55,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-05 20:32:55,691 INFO L225 Difference]: With dead ends: 131301 [2021-06-05 20:32:55,691 INFO L226 Difference]: Without dead ends: 0 [2021-06-05 20:32:55,692 INFO L810 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 508.4ms TimeCoverageRelationStatistics Valid=313, Invalid=1579, Unknown=0, NotChecked=0, Total=1892 [2021-06-05 20:32:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-05 20:32:55,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-05 20:32:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-05 20:32:55,692 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2021-06-05 20:32:55,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-05 20:32:55,692 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-05 20:32:55,692 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.3043478260869565) internal successors, (76), 23 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:32:55,692 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-05 20:32:55,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:32:55,897 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-05 20:32:55,897 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (4/5) [2021-06-05 20:32:55,897 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-05 20:32:55,898 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-05 20:32:55,898 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-05 20:32:55,898 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-05 20:32:55,898 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-05 20:32:55,898 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-05 20:32:55,898 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-05 20:32:55,898 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-05 20:32:55,898 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == myThread======== [2021-06-05 20:32:55,899 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 103 transitions, 236 flow [2021-06-05 20:33:45,681 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 186867 states, 186838 states have (on average 3.753358524497158) internal successors, (701270), 186866 states have internal predecessors, (701270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-05 20:33:46,317 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-05 20:33:46,317 INFO L301 ceAbstractionStarter]: Result for error location myThread was SAFE (5/5) [2021-06-05 20:33:46,318 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2021-06-05 20:33:46,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.06 08:33:46 BasicIcfg [2021-06-05 20:33:46,374 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-05 20:33:46,375 INFO L168 Benchmark]: Toolchain (without parser) took 319212.22 ms. Allocated memory was 350.2 MB in the beginning and 13.4 GB in the end (delta: 13.1 GB). Free memory was 312.4 MB in the beginning and 12.5 GB in the end (delta: -12.2 GB). Peak memory consumption was 888.5 MB. Max. memory is 16.0 GB. [2021-06-05 20:33:46,375 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 350.2 MB. Free memory is still 331.1 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 20:33:46,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.70 ms. Allocated memory is still 350.2 MB. Free memory was 312.3 MB in the beginning and 332.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. [2021-06-05 20:33:46,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.80 ms. Allocated memory is still 350.2 MB. Free memory was 332.0 MB in the beginning and 331.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-05 20:33:46,375 INFO L168 Benchmark]: Boogie Preprocessor took 25.88 ms. Allocated memory is still 350.2 MB. Free memory was 331.0 MB in the beginning and 330.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-05 20:33:46,375 INFO L168 Benchmark]: RCFGBuilder took 325.38 ms. Allocated memory is still 350.2 MB. Free memory was 330.0 MB in the beginning and 311.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-06-05 20:33:46,375 INFO L168 Benchmark]: TraceAbstraction took 318613.05 ms. Allocated memory was 350.2 MB in the beginning and 13.4 GB in the end (delta: 13.1 GB). Free memory was 311.1 MB in the beginning and 12.5 GB in the end (delta: -12.2 GB). Peak memory consumption was 885.4 MB. Max. memory is 16.0 GB. [2021-06-05 20:33:46,376 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 350.2 MB. Free memory is still 331.1 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 215.70 ms. Allocated memory is still 350.2 MB. Free memory was 312.3 MB in the beginning and 332.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.80 ms. Allocated memory is still 350.2 MB. Free memory was 332.0 MB in the beginning and 331.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.88 ms. Allocated memory is still 350.2 MB. Free memory was 331.0 MB in the beginning and 330.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 325.38 ms. Allocated memory is still 350.2 MB. Free memory was 330.0 MB in the beginning and 311.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * TraceAbstraction took 318613.05 ms. Allocated memory was 350.2 MB in the beginning and 13.4 GB in the end (delta: 13.1 GB). Free memory was 311.1 MB in the beginning and 12.5 GB in the end (delta: -12.2 GB). Peak memory consumption was 885.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int g = 0; VAL [g=0] [L21] 0 static int s = 0; VAL [g=0, s=0] [L30] 0 int i; VAL [g=0, s=0] [L31] 0 pthread_t tid; VAL [g=0, s=0] [L34] 0 i = 0 VAL [g=0, s=0] [L34] EXPR 0 \read(i) VAL [g=0, s=0] [L34] COND TRUE 0 i < 3 VAL [g=0, s=0] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, s=0, vargp={5:0}] [L20] 1 int *myid = (int *)vargp; VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L34] 0 i++ VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L22] 1 ++s VAL [++s=1, g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L34] COND TRUE 0 i < 3 VAL [++s=1, g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L22] 1 ++s VAL [++s=1, g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [++s=1, g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L20] 2 int *myid = (int *)vargp; VAL [++s=1, g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L22] 2 ++s VAL [++s=1, g=0, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L22] 2 ++g VAL [++s=1, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L24] 2 \read(*myid) VAL [++s=1, \read(*myid)=1, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L24] 2 ++s VAL [++s=3, ++s=1, \read(*myid)=1, g=1, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L24] 2 ++g VAL [++g=2, ++s=3, ++s=1, \read(*myid)=1, g=2, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L25] 2 CodeAnnotStmt[Assertion] VAL [++s=1, g=2, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 316.1ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 13.9ms, AutomataDifference: 48.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 34.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 52 SDtfs, 78 SDslu, 85 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 6.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.4ms SsaConstructionTime, 28.6ms SatisfiabilityAnalysisTime, 78.0ms InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread1of1ForFork0 with 2 thread instances CFG has 4 procedures, 101 locations, 4 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread1of1ForFork0 with 3 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 0 CEGAR loops. No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 80 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 59.1ms, OverallIterations: 1, TraceHistogramMax: 2, EmptinessCheckTime: 1.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=408occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.9ms SsaConstructionTime, 12.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 2 thread instances CFG has 4 procedures, 101 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 392.5ms, OverallIterations: 1, TraceHistogramMax: 3, EmptinessCheckTime: 36.2ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 294.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=8703occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.2ms SsaConstructionTime, 24.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 3 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53585.9ms, OverallIterations: 1, TraceHistogramMax: 4, EmptinessCheckTime: 205.7ms, AutomataDifference: 1776.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 50595.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 572 SDtfs, 1985 SDslu, 7198 SDs, 0 SdLazy, 883 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 302.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 508.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 0.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.3ms SsaConstructionTime, 20.4ms SatisfiabilityAnalysisTime, 724.9ms InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 1057 SizeOfPredicates, 14 NumberOfNonLiveVariables, 121 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 2 InterpolantComputations, 0 PerfectInterpolantSequences, 58/126 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread3of3ForFork0 with 1 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 78327.3ms, OverallIterations: 2, TraceHistogramMax: 3, EmptinessCheckTime: 688.7ms, AutomataDifference: 3445.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 58917.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 169 SDslu, 196 SDs, 0 SdLazy, 57 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 15109.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 15246 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.2ms SsaConstructionTime, 42.4ms SatisfiabilityAnalysisTime, 74.8ms InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread1of3ForFork0 with 1 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 68643.3ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 204.3ms, AutomataDifference: 2743.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 51289.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 178 SDslu, 196 SDs, 0 SdLazy, 57 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 71.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 14343.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 15129 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.9ms SsaConstructionTime, 17.6ms SatisfiabilityAnalysisTime, 20.0ms InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 95 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThreadThread2of3ForFork0 with 1 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 66624.6ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 208.4ms, AutomataDifference: 2701.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49905.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 87 SDtfs, 170 SDslu, 196 SDs, 0 SdLazy, 57 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 36.6ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 13760.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 15129 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.6ms SsaConstructionTime, 8.0ms SatisfiabilityAnalysisTime, 20.7ms InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 137 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 7/7 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: myThread with 1 thread instances CFG has 5 procedures, 122 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 50419.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 635.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 49783.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=186867occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...