/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c1f4b5c [2019-12-17 10:56:06,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-17 10:56:06,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-17 10:56:06,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-17 10:56:06,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-17 10:56:06,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-17 10:56:06,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-17 10:56:06,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-17 10:56:06,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-17 10:56:06,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-17 10:56:06,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-17 10:56:06,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-17 10:56:06,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-17 10:56:06,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-17 10:56:06,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-17 10:56:06,170 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-17 10:56:06,171 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-17 10:56:06,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-17 10:56:06,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-17 10:56:06,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-17 10:56:06,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-17 10:56:06,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-17 10:56:06,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-17 10:56:06,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-17 10:56:06,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-17 10:56:06,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-17 10:56:06,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-17 10:56:06,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-17 10:56:06,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-17 10:56:06,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-17 10:56:06,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-17 10:56:06,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-17 10:56:06,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-17 10:56:06,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-17 10:56:06,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-17 10:56:06,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-17 10:56:06,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-17 10:56:06,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-17 10:56:06,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-17 10:56:06,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-17 10:56:06,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-17 10:56:06,203 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-VariableLbe.epf [2019-12-17 10:56:06,237 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-17 10:56:06,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-17 10:56:06,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-17 10:56:06,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-17 10:56:06,242 INFO L138 SettingsManager]: * Use SBE=true [2019-12-17 10:56:06,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-17 10:56:06,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-17 10:56:06,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-17 10:56:06,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-17 10:56:06,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-17 10:56:06,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-17 10:56:06,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-17 10:56:06,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-17 10:56:06,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-17 10:56:06,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-17 10:56:06,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-17 10:56:06,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-17 10:56:06,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-17 10:56:06,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-17 10:56:06,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-17 10:56:06,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-17 10:56:06,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-17 10:56:06,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-17 10:56:06,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-17 10:56:06,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-17 10:56:06,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-17 10:56:06,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-17 10:56:06,248 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-17 10:56:06,248 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=FINITE_AUTOMATA [2019-12-17 10:56:06,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-17 10:56:06,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-17 10:56:06,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-17 10:56:06,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-17 10:56:06,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-17 10:56:06,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-17 10:56:06,536 INFO L275 PluginConnector]: CDTParser initialized [2019-12-17 10:56:06,538 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2019-12-17 10:56:06,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be80e19a6/ac50f52511894b899a6f21ced79c21d6/FLAG637442302 [2019-12-17 10:56:07,106 INFO L306 CDTParser]: Found 1 translation units. [2019-12-17 10:56:07,106 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2019-12-17 10:56:07,107 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:56:07,107 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:56:07,107 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2019-12-17 10:56:07,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be80e19a6/ac50f52511894b899a6f21ced79c21d6/FLAG637442302 [2019-12-17 10:56:07,462 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be80e19a6/ac50f52511894b899a6f21ced79c21d6 [2019-12-17 10:56:07,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-17 10:56:07,474 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-17 10:56:07,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-17 10:56:07,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-17 10:56:07,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-17 10:56:07,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66442fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07, skipping insertion in model container [2019-12-17 10:56:07,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-17 10:56:07,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-17 10:56:07,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:56:07,775 INFO L203 MainTranslator]: Completed pre-run [2019-12-17 10:56:07,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-17 10:56:07,804 INFO L208 MainTranslator]: Completed translation [2019-12-17 10:56:07,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07 WrapperNode [2019-12-17 10:56:07,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-17 10:56:07,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-17 10:56:07,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-17 10:56:07,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-17 10:56:07,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-17 10:56:07,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-17 10:56:07,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-17 10:56:07,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-17 10:56:07,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (1/1) ... [2019-12-17 10:56:07,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-17 10:56:07,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-17 10:56:07,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-17 10:56:07,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-17 10:56:07,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (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 [2019-12-17 10:56:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-17 10:56:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-17 10:56:07,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-17 10:56:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-17 10:56:07,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-17 10:56:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2019-12-17 10:56:07,911 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2019-12-17 10:56:07,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-17 10:56:07,912 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-17 10:56:08,215 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-17 10:56:08,215 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-17 10:56:08,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:56:08 BoogieIcfgContainer [2019-12-17 10:56:08,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-17 10:56:08,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-17 10:56:08,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-17 10:56:08,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-17 10:56:08,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 10:56:07" (1/3) ... [2019-12-17 10:56:08,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5e6e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:56:08, skipping insertion in model container [2019-12-17 10:56:08,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 10:56:07" (2/3) ... [2019-12-17 10:56:08,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5e6e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 10:56:08, skipping insertion in model container [2019-12-17 10:56:08,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 10:56:08" (3/3) ... [2019-12-17 10:56:08,235 INFO L109 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2019-12-17 10:56:08,260 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-17 10:56:08,260 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-17 10:56:08,273 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-17 10:56:08,274 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-17 10:56:08,323 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,324 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,324 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,324 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,325 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,325 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,325 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,325 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,326 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,326 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,327 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,327 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,327 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,328 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,328 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,328 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,328 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,329 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,329 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,329 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,329 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,339 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,339 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,339 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,340 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,341 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,341 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,341 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,342 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,343 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,343 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,343 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,343 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:08,376 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-17 10:56:08,392 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:56:08,392 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:56:08,392 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:56:08,393 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:56:08,393 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:56:08,393 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:56:08,393 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:56:08,393 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:56:08,408 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 56 transitions [2019-12-17 10:56:08,410 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions [2019-12-17 10:56:08,453 INFO L130 PetriNetUnfolder]: 2/64 cut-off events. [2019-12-17 10:56:08,454 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:08,460 INFO L76 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 64 events. 2/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs. 10/69 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2019-12-17 10:56:08,465 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions [2019-12-17 10:56:08,486 INFO L130 PetriNetUnfolder]: 2/64 cut-off events. [2019-12-17 10:56:08,487 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:08,488 INFO L76 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 64 events. 2/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs. 10/69 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2019-12-17 10:56:08,490 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 600 [2019-12-17 10:56:08,492 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-17 10:56:09,513 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-12-17 10:56:09,743 INFO L206 etLargeBlockEncoding]: Checked pairs total: 475 [2019-12-17 10:56:09,743 INFO L214 etLargeBlockEncoding]: Total number of compositions: 51 [2019-12-17 10:56:09,747 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 12 places, 10 transitions [2019-12-17 10:56:09,756 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2019-12-17 10:56:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2019-12-17 10:56:09,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-17 10:56:09,765 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:56:09,766 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-17 10:56:09,766 INFO L410 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:56:09,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:56:09,773 INFO L82 PathProgramCache]: Analyzing trace with hash 6727753, now seen corresponding path program 1 times [2019-12-17 10:56:09,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:56:09,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34464085] [2019-12-17 10:56:09,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:56:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:56:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:56:10,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34464085] [2019-12-17 10:56:10,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:56:10,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-17 10:56:10,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211470557] [2019-12-17 10:56:10,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-17 10:56:10,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:56:10,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-17 10:56:10,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-17 10:56:10,039 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2019-12-17 10:56:10,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:56:10,060 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2019-12-17 10:56:10,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-17 10:56:10,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-17 10:56:10,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:56:10,079 INFO L225 Difference]: With dead ends: 16 [2019-12-17 10:56:10,086 INFO L226 Difference]: Without dead ends: 11 [2019-12-17 10:56:10,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-17 10:56:10,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-17 10:56:10,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-17 10:56:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-17 10:56:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-12-17 10:56:10,125 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-12-17 10:56:10,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:56:10,126 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-17 10:56:10,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-17 10:56:10,126 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-17 10:56:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-17 10:56:10,126 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:56:10,127 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-17 10:56:10,128 INFO L410 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:56:10,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:56:10,128 INFO L82 PathProgramCache]: Analyzing trace with hash -2124565089, now seen corresponding path program 1 times [2019-12-17 10:56:10,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:56:10,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795813581] [2019-12-17 10:56:10,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:56:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:56:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:56:10,258 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:56:10,259 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:56:10,260 WARN L362 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increast this number and restart the analysis [2019-12-17 10:56:10,260 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-17 10:56:10,280 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,280 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,280 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,280 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,281 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,281 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,281 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,281 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,281 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,282 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,282 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,283 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,283 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,283 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,283 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,284 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,284 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,287 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,287 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,288 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,288 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,289 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,289 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,289 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,289 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,290 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,290 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,290 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,290 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,290 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,291 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,291 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,291 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,291 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,292 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,292 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,292 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,292 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,293 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,293 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,294 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,294 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,295 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,295 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,295 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,295 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,296 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,296 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,296 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,296 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,296 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,297 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,298 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,298 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,300 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,300 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,301 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,301 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,301 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,302 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,303 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,304 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,304 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,304 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,304 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,305 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:10,309 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-17 10:56:10,309 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:56:10,310 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:56:10,310 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:56:10,310 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:56:10,310 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:56:10,310 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:56:10,310 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:56:10,311 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:56:10,314 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 78 transitions [2019-12-17 10:56:10,314 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-17 10:56:10,372 INFO L130 PetriNetUnfolder]: 3/117 cut-off events. [2019-12-17 10:56:10,372 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:10,376 INFO L76 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 208 event pairs. 27/136 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2019-12-17 10:56:10,383 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions [2019-12-17 10:56:10,420 INFO L130 PetriNetUnfolder]: 3/117 cut-off events. [2019-12-17 10:56:10,420 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:10,422 INFO L76 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 208 event pairs. 27/136 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2019-12-17 10:56:10,427 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2760 [2019-12-17 10:56:10,428 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-17 10:56:11,158 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 52 [2019-12-17 10:56:11,367 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6323 [2019-12-17 10:56:11,367 INFO L214 etLargeBlockEncoding]: Total number of compositions: 47 [2019-12-17 10:56:11,368 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 34 transitions [2019-12-17 10:56:11,446 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1003 states. [2019-12-17 10:56:11,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states. [2019-12-17 10:56:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-17 10:56:11,451 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:56:11,451 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2019-12-17 10:56:11,452 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:56:11,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:56:11,452 INFO L82 PathProgramCache]: Analyzing trace with hash 2108723477, now seen corresponding path program 1 times [2019-12-17 10:56:11,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:56:11,454 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749725802] [2019-12-17 10:56:11,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:56:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:56:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:56:11,527 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:56:11,527 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:56:11,527 WARN L362 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increast this number and restart the analysis [2019-12-17 10:56:11,527 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-17 10:56:11,536 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,537 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,537 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,537 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,537 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,538 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,538 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,538 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,538 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,538 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,538 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,539 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,539 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,539 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,539 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,539 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,539 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,540 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,540 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,540 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,540 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,541 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,541 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,541 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,542 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,542 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,542 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,542 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,542 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,542 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,543 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,543 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,543 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,543 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,543 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,544 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,544 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,544 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,544 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,544 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,544 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,545 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,545 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,545 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,546 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,546 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,546 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,546 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,546 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,546 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,547 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,555 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,555 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,555 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,556 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,556 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,556 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,556 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,556 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,556 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,557 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,557 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,557 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,558 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,558 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,558 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,558 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,560 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,560 WARN L315 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,562 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,562 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,562 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,562 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,563 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,563 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,563 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,563 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,563 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,563 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,564 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,564 WARN L315 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,568 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,568 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,569 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,569 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,569 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,569 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,569 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,570 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,570 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,570 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,570 WARN L315 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,570 WARN L315 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-17 10:56:11,575 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-17 10:56:11,575 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-17 10:56:11,576 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-17 10:56:11,576 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-17 10:56:11,576 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-17 10:56:11,576 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-17 10:56:11,576 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-17 10:56:11,576 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-17 10:56:11,576 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-17 10:56:11,578 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 100 transitions [2019-12-17 10:56:11,578 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions [2019-12-17 10:56:11,606 INFO L130 PetriNetUnfolder]: 4/179 cut-off events. [2019-12-17 10:56:11,606 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:11,610 INFO L76 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 4/179 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 521 event pairs. 52/219 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2019-12-17 10:56:11,620 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions [2019-12-17 10:56:11,644 INFO L130 PetriNetUnfolder]: 4/179 cut-off events. [2019-12-17 10:56:11,644 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-17 10:56:11,648 INFO L76 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 4/179 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 521 event pairs. 52/219 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2019-12-17 10:56:11,657 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5520 [2019-12-17 10:56:11,657 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-17 10:56:12,545 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-12-17 10:56:12,613 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12959 [2019-12-17 10:56:12,614 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2019-12-17 10:56:12,614 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 47 transitions [2019-12-17 10:56:13,980 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 12523 states. [2019-12-17 10:56:13,980 INFO L276 IsEmpty]: Start isEmpty. Operand 12523 states. [2019-12-17 10:56:13,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-17 10:56:13,984 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:56:13,984 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:56:13,984 INFO L410 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:56:13,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:56:13,985 INFO L82 PathProgramCache]: Analyzing trace with hash 2074725494, now seen corresponding path program 1 times [2019-12-17 10:56:13,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:56:13,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606187447] [2019-12-17 10:56:13,986 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:56:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:56:14,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:56:14,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606187447] [2019-12-17 10:56:14,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-17 10:56:14,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-17 10:56:14,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384326428] [2019-12-17 10:56:14,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-17 10:56:14,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:56:14,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-17 10:56:14,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-17 10:56:14,027 INFO L87 Difference]: Start difference. First operand 12523 states. Second operand 5 states. [2019-12-17 10:56:14,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:56:14,335 INFO L93 Difference]: Finished difference Result 16053 states and 52167 transitions. [2019-12-17 10:56:14,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-17 10:56:14,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2019-12-17 10:56:14,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:56:14,613 INFO L225 Difference]: With dead ends: 16053 [2019-12-17 10:56:14,613 INFO L226 Difference]: Without dead ends: 15826 [2019-12-17 10:56:14,614 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-17 10:56:14,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15826 states. [2019-12-17 10:56:15,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15826 to 13894. [2019-12-17 10:56:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13894 states. [2019-12-17 10:56:15,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13894 states to 13894 states and 46691 transitions. [2019-12-17 10:56:15,481 INFO L78 Accepts]: Start accepts. Automaton has 13894 states and 46691 transitions. Word has length 13 [2019-12-17 10:56:15,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:56:15,482 INFO L462 AbstractCegarLoop]: Abstraction has 13894 states and 46691 transitions. [2019-12-17 10:56:15,482 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-17 10:56:15,482 INFO L276 IsEmpty]: Start isEmpty. Operand 13894 states and 46691 transitions. [2019-12-17 10:56:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-17 10:56:15,490 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:56:15,490 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2019-12-17 10:56:15,490 INFO L410 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:56:15,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:56:15,491 INFO L82 PathProgramCache]: Analyzing trace with hash -694215649, now seen corresponding path program 1 times [2019-12-17 10:56:15,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:56:15,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732505227] [2019-12-17 10:56:15,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:56:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:56:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:56:15,726 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732505227] [2019-12-17 10:56:15,727 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334376868] [2019-12-17 10:56:15,727 INFO L94 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 [2019-12-17 10:56:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-17 10:56:15,803 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-17 10:56:15,807 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-17 10:56:15,880 INFO L343 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:15,880 INFO L377 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 63 treesize of output 67 [2019-12-17 10:56:15,881 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:15,883 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-17 10:56:15,889 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:15,932 INFO L614 ElimStorePlain]: treesize reduction 85, result has 22.0 percent of original size [2019-12-17 10:56:15,943 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-12-17 10:56:15,944 INFO L534 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:15,956 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:15,957 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:56:15,957 INFO L239 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:37, output treesize:12 [2019-12-17 10:56:15,969 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-17 10:56:15,973 INFO L377 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 [2019-12-17 10:56:15,974 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:15,981 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:15,982 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:56:15,982 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:19 [2019-12-17 10:56:16,013 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-12-17 10:56:16,015 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:16,022 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:16,022 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:56:16,023 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2019-12-17 10:56:16,047 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-12-17 10:56:16,048 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:16,055 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:16,056 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:56:16,056 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2019-12-17 10:56:16,066 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-12-17 10:56:16,067 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:16,075 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:16,075 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-12-17 10:56:16,075 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:19 [2019-12-17 10:56:16,111 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2019-12-17 10:56:16,112 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:16,119 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:16,121 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-17 10:56:16,121 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2019-12-17 10:56:16,169 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2019-12-17 10:56:16,171 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-17 10:56:16,178 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-17 10:56:16,179 INFO L534 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-12-17 10:56:16,180 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:19 [2019-12-17 10:56:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-17 10:56:16,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-17 10:56:16,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7] total 10 [2019-12-17 10:56:16,218 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068505595] [2019-12-17 10:56:16,218 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-12-17 10:56:16,219 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-17 10:56:16,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-12-17 10:56:16,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-12-17 10:56:16,219 INFO L87 Difference]: Start difference. First operand 13894 states and 46691 transitions. Second operand 11 states. [2019-12-17 10:56:16,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-17 10:56:16,510 INFO L93 Difference]: Finished difference Result 9897 states and 32288 transitions. [2019-12-17 10:56:16,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-17 10:56:16,511 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 15 [2019-12-17 10:56:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-17 10:56:16,547 INFO L225 Difference]: With dead ends: 9897 [2019-12-17 10:56:16,547 INFO L226 Difference]: Without dead ends: 9786 [2019-12-17 10:56:16,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2019-12-17 10:56:17,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9786 states. [2019-12-17 10:56:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9786 to 9786. [2019-12-17 10:56:17,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9786 states. [2019-12-17 10:56:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9786 states to 9786 states and 31881 transitions. [2019-12-17 10:56:17,643 INFO L78 Accepts]: Start accepts. Automaton has 9786 states and 31881 transitions. Word has length 15 [2019-12-17 10:56:17,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-17 10:56:17,644 INFO L462 AbstractCegarLoop]: Abstraction has 9786 states and 31881 transitions. [2019-12-17 10:56:17,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-12-17 10:56:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 9786 states and 31881 transitions. [2019-12-17 10:56:17,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-17 10:56:17,647 INFO L403 BasicCegarLoop]: Found error trace [2019-12-17 10:56:17,648 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-17 10:56:17,853 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-17 10:56:17,853 INFO L410 AbstractCegarLoop]: === Iteration 3 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2019-12-17 10:56:17,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-17 10:56:17,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1598600700, now seen corresponding path program 1 times [2019-12-17 10:56:17,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-17 10:56:17,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452679331] [2019-12-17 10:56:17,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-17 10:56:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:56:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-17 10:56:17,904 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-17 10:56:17,904 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-17 10:56:17,908 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [524] [524] ULTIMATE.startENTRY-->L34-10: Formula: (let ((.cse2 (store |v_#valid_104| 0 0))) (let ((.cse1 (store .cse2 |v_#t~string3.base_12| 1))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#i~0.base_82| 1))) (and (= |v_#valid_102| (store .cse0 |v_ULTIMATE.start_main_~#tid~0.base_59| 1)) (= v_~s~0_82 0) (= |v_#NULL.offset_8| 0) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#tid~0.base_59|) (< |v_#StackHeapBarrier_28| |v_#t~string3.base_12|) (= (select .cse0 |v_ULTIMATE.start_main_~#tid~0.base_59|) 0) (= (store (store (store |v_#length_54| |v_#t~string3.base_12| 39) |v_ULTIMATE.start_main_~#i~0.base_82| 4) |v_ULTIMATE.start_main_~#tid~0.base_59| 4) |v_#length_52|) (= 0 (select .cse1 |v_ULTIMATE.start_main_~#i~0.base_82|)) (= 0 |v_#NULL.base_8|) (= 0 |v_ULTIMATE.start_main_~#i~0.offset_72|) (= (store |v_#memory_int_86| |v_ULTIMATE.start_main_~#i~0.base_82| (store (select |v_#memory_int_86| |v_ULTIMATE.start_main_~#i~0.base_82|) |v_ULTIMATE.start_main_~#i~0.offset_72| 0)) |v_#memory_int_85|) (< 0 |v_#StackHeapBarrier_28|) (= v_~g~0_64 0) (= 0 (select .cse2 |v_#t~string3.base_12|)) (= |v_ULTIMATE.start_main_~#tid~0.offset_49| 0) (< |v_#StackHeapBarrier_28| |v_ULTIMATE.start_main_~#i~0.base_82|) (= 0 |v_#t~string3.offset_12|))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_28|, #valid=|v_#valid_104|, #memory_int=|v_#memory_int_86|, #length=|v_#length_54|} OutVars{ULTIMATE.start_main_#t~mem11=|v_ULTIMATE.start_main_#t~mem11_38|, ULTIMATE.start_main_#t~nondet10=|v_ULTIMATE.start_main_#t~nondet10_16|, ~g~0=v_~g~0_64, #NULL.offset=|v_#NULL.offset_8|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_59|, #NULL.base=|v_#NULL.base_8|, #t~string3.offset=|v_#t~string3.offset_12|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_42|, #StackHeapBarrier=|v_#StackHeapBarrier_28|, ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_49|, ULTIMATE.start_main_#t~mem7=|v_ULTIMATE.start_main_#t~mem7_30|, ULTIMATE.start_main_#t~post8=|v_ULTIMATE.start_main_#t~post8_36|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_30|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_72|, #valid=|v_#valid_102|, #memory_int=|v_#memory_int_85|, #length=|v_#length_52|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_82|, ~s~0=v_~s~0_82, #t~string3.base=|v_#t~string3.base_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem11, ULTIMATE.start_main_#t~nondet10, ~g~0, #NULL.offset, ULTIMATE.start_main_~#tid~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_~#tid~0.offset, ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#t~post8, ULTIMATE.start_main_#res, ULTIMATE.start_main_~#i~0.offset, #valid, #memory_int, #length, ULTIMATE.start_main_~#i~0.base, ~s~0, #t~string3.base] because there is no mapped edge [2019-12-17 10:56:17,908 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [505] [505] L34-10-->L35-1: Formula: (and (< (select (select |v_#memory_int_76| |v_ULTIMATE.start_main_~#i~0.base_71|) |v_ULTIMATE.start_main_~#i~0.offset_63|) 3) (= (store |v_#memory_int_76| |v_ULTIMATE.start_main_~#tid~0.base_52| (store (select |v_#memory_int_76| |v_ULTIMATE.start_main_~#tid~0.base_52|) |v_ULTIMATE.start_main_~#tid~0.offset_43| 0)) |v_#memory_int_75|)) InVars {ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_43|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_63|, #memory_int=|v_#memory_int_76|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_52|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_71|} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_36|, ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_43|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_63|, #memory_int=|v_#memory_int_75|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_52|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_71|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, #memory_int] because there is no mapped edge [2019-12-17 10:56:17,909 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [518] [518] myThreadENTRY-->L22-1: Formula: (and (= |v_myThreadThread1of3ForFork0_#in~vargp.offset_4| v_myThreadThread1of3ForFork0_~vargp.offset_6) (= v_myThreadThread1of3ForFork0_~vargp.base_6 v_myThreadThread1of3ForFork0_~myid~0.base_7) (= v_myThreadThread1of3ForFork0_~myid~0.offset_7 v_myThreadThread1of3ForFork0_~vargp.offset_6) (= v_myThreadThread1of3ForFork0_~vargp.base_6 |v_myThreadThread1of3ForFork0_#in~vargp.base_4|) (= |v_myThreadThread1of3ForFork0_#t~pre0_7| (+ v_~s~0_79 1))) InVars {myThreadThread1of3ForFork0_#in~vargp.base=|v_myThreadThread1of3ForFork0_#in~vargp.base_4|, myThreadThread1of3ForFork0_#in~vargp.offset=|v_myThreadThread1of3ForFork0_#in~vargp.offset_4|, ~s~0=v_~s~0_79} OutVars{myThreadThread1of3ForFork0_~vargp.base=v_myThreadThread1of3ForFork0_~vargp.base_6, myThreadThread1of3ForFork0_~myid~0.offset=v_myThreadThread1of3ForFork0_~myid~0.offset_7, myThreadThread1of3ForFork0_#t~pre0=|v_myThreadThread1of3ForFork0_#t~pre0_7|, myThreadThread1of3ForFork0_~vargp.offset=v_myThreadThread1of3ForFork0_~vargp.offset_6, myThreadThread1of3ForFork0_#in~vargp.base=|v_myThreadThread1of3ForFork0_#in~vargp.base_4|, myThreadThread1of3ForFork0_~myid~0.base=v_myThreadThread1of3ForFork0_~myid~0.base_7, myThreadThread1of3ForFork0_#in~vargp.offset=|v_myThreadThread1of3ForFork0_#in~vargp.offset_4|, ~s~0=v_~s~0_79} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_~vargp.base, myThreadThread1of3ForFork0_~myid~0.offset, myThreadThread1of3ForFork0_#t~pre0, myThreadThread1of3ForFork0_~vargp.offset, myThreadThread1of3ForFork0_~myid~0.base] because there is no mapped edge [2019-12-17 10:56:17,910 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [466] [466] L22-2-->L22-4: Formula: (= |v_myThreadThread1of3ForFork0_#t~pre1_5| (+ v_~g~0_50 1)) InVars {~g~0=v_~g~0_50} OutVars{myThreadThread1of3ForFork0_#t~pre0=|v_myThreadThread1of3ForFork0_#t~pre0_5|, myThreadThread1of3ForFork0_#t~pre1=|v_myThreadThread1of3ForFork0_#t~pre1_5|, ~g~0=v_~g~0_50} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_#t~pre0, myThreadThread1of3ForFork0_#t~pre1] because there is no mapped edge [2019-12-17 10:56:17,911 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [472] [472] L22-4-->L24: Formula: (= v_~g~0_55 (+ v_~g~0_56 1)) InVars {~g~0=v_~g~0_56} OutVars{myThreadThread1of3ForFork0_#t~pre1=|v_myThreadThread1of3ForFork0_#t~pre1_6|, ~g~0=v_~g~0_55} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_#t~pre1, ~g~0] because there is no mapped edge [2019-12-17 10:56:17,911 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [487] [487] L24-->L24-2: Formula: (= (select (select |v_#memory_int_68| v_myThreadThread1of3ForFork0_~myid~0.base_5) v_myThreadThread1of3ForFork0_~myid~0.offset_5) |v_myThreadThread1of3ForFork0_#t~mem4_6|) InVars {myThreadThread1of3ForFork0_~myid~0.offset=v_myThreadThread1of3ForFork0_~myid~0.offset_5, #memory_int=|v_#memory_int_68|, myThreadThread1of3ForFork0_~myid~0.base=v_myThreadThread1of3ForFork0_~myid~0.base_5} OutVars{myThreadThread1of3ForFork0_#t~nondet2=|v_myThreadThread1of3ForFork0_#t~nondet2_4|, myThreadThread1of3ForFork0_~myid~0.offset=v_myThreadThread1of3ForFork0_~myid~0.offset_5, #memory_int=|v_#memory_int_68|, myThreadThread1of3ForFork0_#t~mem4=|v_myThreadThread1of3ForFork0_#t~mem4_6|, myThreadThread1of3ForFork0_~myid~0.base=v_myThreadThread1of3ForFork0_~myid~0.base_5} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_#t~nondet2, myThreadThread1of3ForFork0_#t~mem4] because there is no mapped edge [2019-12-17 10:56:17,911 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [523] [523] L34-5-->L34-10: Formula: (= (store |v_#memory_int_84| |v_ULTIMATE.start_main_~#i~0.base_81| (let ((.cse0 (select |v_#memory_int_84| |v_ULTIMATE.start_main_~#i~0.base_81|))) (store .cse0 |v_ULTIMATE.start_main_~#i~0.offset_71| (+ (select .cse0 |v_ULTIMATE.start_main_~#i~0.offset_71|) 1)))) |v_#memory_int_83|) InVars {ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_71|, #memory_int=|v_#memory_int_84|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_81|} OutVars{ULTIMATE.start_main_#t~mem7=|v_ULTIMATE.start_main_#t~mem7_28|, ULTIMATE.start_main_#t~post8=|v_ULTIMATE.start_main_#t~post8_34|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_71|, #memory_int=|v_#memory_int_83|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_81|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem7, ULTIMATE.start_main_#t~post8, #memory_int] because there is no mapped edge [2019-12-17 10:56:17,911 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [505] [505] L34-10-->L35-1: Formula: (and (< (select (select |v_#memory_int_76| |v_ULTIMATE.start_main_~#i~0.base_71|) |v_ULTIMATE.start_main_~#i~0.offset_63|) 3) (= (store |v_#memory_int_76| |v_ULTIMATE.start_main_~#tid~0.base_52| (store (select |v_#memory_int_76| |v_ULTIMATE.start_main_~#tid~0.base_52|) |v_ULTIMATE.start_main_~#tid~0.offset_43| 0)) |v_#memory_int_75|)) InVars {ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_43|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_63|, #memory_int=|v_#memory_int_76|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_52|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_71|} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_36|, ULTIMATE.start_main_~#tid~0.offset=|v_ULTIMATE.start_main_~#tid~0.offset_43|, ULTIMATE.start_main_~#i~0.offset=|v_ULTIMATE.start_main_~#i~0.offset_63|, #memory_int=|v_#memory_int_75|, ULTIMATE.start_main_~#tid~0.base=|v_ULTIMATE.start_main_~#tid~0.base_52|, ULTIMATE.start_main_~#i~0.base=|v_ULTIMATE.start_main_~#i~0.base_71|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, #memory_int] because there is no mapped edge [2019-12-17 10:56:17,912 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [512] [512] myThreadENTRY-->L22-1: Formula: (and (= (+ v_~s~0_76 1) |v_myThreadThread2of3ForFork0_#t~pre0_6|) (= v_myThreadThread2of3ForFork0_~myid~0.offset_7 v_myThreadThread2of3ForFork0_~vargp.offset_6) (= v_myThreadThread2of3ForFork0_~vargp.base_6 v_myThreadThread2of3ForFork0_~myid~0.base_7) (= |v_myThreadThread2of3ForFork0_#in~vargp.offset_5| v_myThreadThread2of3ForFork0_~vargp.offset_6) (= v_myThreadThread2of3ForFork0_~vargp.base_6 |v_myThreadThread2of3ForFork0_#in~vargp.base_5|)) InVars {myThreadThread2of3ForFork0_#in~vargp.offset=|v_myThreadThread2of3ForFork0_#in~vargp.offset_5|, myThreadThread2of3ForFork0_#in~vargp.base=|v_myThreadThread2of3ForFork0_#in~vargp.base_5|, ~s~0=v_~s~0_76} OutVars{myThreadThread2of3ForFork0_#in~vargp.offset=|v_myThreadThread2of3ForFork0_#in~vargp.offset_5|, myThreadThread2of3ForFork0_~vargp.base=v_myThreadThread2of3ForFork0_~vargp.base_6, myThreadThread2of3ForFork0_#t~pre0=|v_myThreadThread2of3ForFork0_#t~pre0_6|, myThreadThread2of3ForFork0_~myid~0.offset=v_myThreadThread2of3ForFork0_~myid~0.offset_7, myThreadThread2of3ForFork0_#in~vargp.base=|v_myThreadThread2of3ForFork0_#in~vargp.base_5|, myThreadThread2of3ForFork0_~vargp.offset=v_myThreadThread2of3ForFork0_~vargp.offset_6, ~s~0=v_~s~0_76, myThreadThread2of3ForFork0_~myid~0.base=v_myThreadThread2of3ForFork0_~myid~0.base_7} AuxVars[] AssignedVars[myThreadThread2of3ForFork0_~vargp.base, myThreadThread2of3ForFork0_#t~pre0, myThreadThread2of3ForFork0_~myid~0.offset, myThreadThread2of3ForFork0_~vargp.offset, myThreadThread2of3ForFork0_~myid~0.base] because there is no mapped edge [2019-12-17 10:56:17,912 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [478] [478] L22-1-->L22-3: Formula: (= (+ v_~s~0_62 1) v_~s~0_61) InVars {~s~0=v_~s~0_62} OutVars{myThreadThread2of3ForFork0_#t~pre0=|v_myThreadThread2of3ForFork0_#t~pre0_5|, ~s~0=v_~s~0_61} AuxVars[] AssignedVars[myThreadThread2of3ForFork0_#t~pre0, ~s~0] because there is no mapped edge [2019-12-17 10:56:17,914 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [507] [507] L24-6-->myThreadErr0ASSERT_VIOLATIONASSERT: Formula: (not (< v_~s~0_74 3)) InVars {~s~0=v_~s~0_74} OutVars{myThreadThread1of3ForFork0_#t~mem4=|v_myThreadThread1of3ForFork0_#t~mem4_8|, myThreadThread1of3ForFork0_#t~pre5=|v_myThreadThread1of3ForFork0_#t~pre5_7|, myThreadThread1of3ForFork0_#t~pre6=|v_myThreadThread1of3ForFork0_#t~pre6_7|, ~s~0=v_~s~0_74} AuxVars[] AssignedVars[myThreadThread1of3ForFork0_#t~mem4, myThreadThread1of3ForFork0_#t~pre5, myThreadThread1of3ForFork0_#t~pre6] because there is no mapped edge [2019-12-17 10:56:17,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 10:56:17 BasicIcfg [2019-12-17 10:56:17,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-17 10:56:17,953 INFO L168 Benchmark]: Toolchain (without parser) took 10475.87 ms. Allocated memory was 144.2 MB in the beginning and 515.4 MB in the end (delta: 371.2 MB). Free memory was 99.5 MB in the beginning and 282.3 MB in the end (delta: -182.8 MB). Peak memory consumption was 188.4 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:17,955 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-17 10:56:17,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.89 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.1 MB in the beginning and 180.0 MB in the end (delta: -81.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:17,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.90 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 178.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:17,957 INFO L168 Benchmark]: Boogie Preprocessor took 20.35 ms. Allocated memory is still 202.4 MB. Free memory was 178.0 MB in the beginning and 176.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:17,961 INFO L168 Benchmark]: RCFGBuilder took 356.67 ms. Allocated memory is still 202.4 MB. Free memory was 176.3 MB in the beginning and 159.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:17,967 INFO L168 Benchmark]: TraceAbstraction took 9729.12 ms. Allocated memory was 202.4 MB in the beginning and 515.4 MB in the end (delta: 313.0 MB). Free memory was 159.1 MB in the beginning and 282.3 MB in the end (delta: -123.2 MB). Peak memory consumption was 189.8 MB. Max. memory is 7.1 GB. [2019-12-17 10:56:17,971 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 330.89 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.1 MB in the beginning and 180.0 MB in the end (delta: -81.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 33.90 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 178.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.35 ms. Allocated memory is still 202.4 MB. Free memory was 178.0 MB in the beginning and 176.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 356.67 ms. Allocated memory is still 202.4 MB. Free memory was 176.3 MB in the beginning and 159.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9729.12 ms. Allocated memory was 202.4 MB in the beginning and 515.4 MB in the end (delta: 313.0 MB). Free memory was 159.1 MB in the beginning and 282.3 MB in the end (delta: -123.2 MB). Peak memory consumption was 189.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 58 ProgramPointsBefore, 12 ProgramPointsAfterwards, 56 TransitionsBefore, 10 TransitionsAfterwards, 600 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 309 VarBasedMoverChecksPositive, 3 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 475 CheckedPairsTotal, 51 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 81 ProgramPointsBefore, 37 ProgramPointsAfterwards, 78 TransitionsBefore, 34 TransitionsAfterwards, 2760 CoEnabledTransitionPairs, 6 FixpointIterations, 10 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 1229 VarBasedMoverChecksPositive, 34 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 6323 CheckedPairsTotal, 47 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.0s, 104 ProgramPointsBefore, 51 ProgramPointsAfterwards, 100 TransitionsBefore, 47 TransitionsAfterwards, 5520 CoEnabledTransitionPairs, 5 FixpointIterations, 10 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 2487 VarBasedMoverChecksPositive, 67 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 12959 CheckedPairsTotal, 58 TotalNumberOfCompositions - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, s=0, vargp={3:0}] [L22] 1 ++s VAL [++s=1, g=0, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [\read(*myid)=0, g=1, myid={3:0}, s=1, vargp={3:0}, vargp={3:0}] [L24] 1 ++s VAL [++s=2, \read(*myid)=0, g=1, myid={3:0}, s=3, vargp={3:0}, vargp={3:0}] [L24] 1 ++g VAL [++g=2, ++s=2, \read(*myid)=0, g=2, myid={3:0}, s=3, vargp={3:0}, vargp={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Result: UNSAFE, OverallTime: 6.3s, OverallIterations: 3, TraceHistogramMax: 4, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 129 SDtfs, 304 SDslu, 581 SDs, 0 SdLazy, 192 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13894occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 2 MinimizatonAttempts, 1932 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 4 QuantifiedInterpolants, 7572 SizeOfPredicates, 5 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 12/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...