/usr/bin/java -Xmx16000000000 -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/VMCAI2021_PN.epf -i ../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-11 20:00:40,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-11 20:00:40,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-11 20:00:40,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-11 20:00:40,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-11 20:00:40,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-11 20:00:40,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-11 20:00:40,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-11 20:00:40,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-11 20:00:40,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-11 20:00:40,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-11 20:00:40,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-11 20:00:40,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-11 20:00:40,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-11 20:00:40,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-11 20:00:40,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-11 20:00:40,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-11 20:00:40,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-11 20:00:40,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-11 20:00:40,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-11 20:00:40,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-11 20:00:40,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-11 20:00:40,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-11 20:00:40,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-11 20:00:40,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-11 20:00:40,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-11 20:00:40,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-11 20:00:40,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-11 20:00:40,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-11 20:00:40,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-11 20:00:40,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-11 20:00:40,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-11 20:00:40,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-11 20:00:40,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-11 20:00:40,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-11 20:00:40,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-11 20:00:40,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-11 20:00:40,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-11 20:00:40,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-11 20:00:40,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-11 20:00:40,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-11 20:00:40,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/VMCAI2021_PN.epf [2020-10-11 20:00:40,697 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-11 20:00:40,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-11 20:00:40,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-11 20:00:40,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-11 20:00:40,702 INFO L138 SettingsManager]: * Use SBE=true [2020-10-11 20:00:40,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-11 20:00:40,702 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-11 20:00:40,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-11 20:00:40,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-11 20:00:40,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-11 20:00:40,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-11 20:00:40,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-11 20:00:40,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-11 20:00:40,705 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-11 20:00:40,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-11 20:00:40,705 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-11 20:00:40,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-11 20:00:40,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-11 20:00:40,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-11 20:00:40,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-11 20:00:40,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-11 20:00:40,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-11 20:00:40,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-11 20:00:40,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-11 20:00:40,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-11 20:00:40,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-11 20:00:40,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-11 20:00:40,708 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-10-11 20:00:40,708 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-11 20:00:40,709 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-11 20:00:41,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-11 20:00:41,033 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-11 20:00:41,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-11 20:00:41,039 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-11 20:00:41,040 INFO L275 PluginConnector]: CDTParser initialized [2020-10-11 20:00:41,041 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2020-10-11 20:00:41,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46d90944d/d2123fcfda824acb9057530a07c8a0b1/FLAG291482196 [2020-10-11 20:00:41,527 INFO L306 CDTParser]: Found 1 translation units. [2020-10-11 20:00:41,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/globalVariableMultipleThreads.c [2020-10-11 20:00:41,528 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-11 20:00:41,528 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-11 20:00:41,529 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2020-10-11 20:00:41,574 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46d90944d/d2123fcfda824acb9057530a07c8a0b1/FLAG291482196 [2020-10-11 20:00:41,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46d90944d/d2123fcfda824acb9057530a07c8a0b1 [2020-10-11 20:00:41,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-11 20:00:41,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-11 20:00:41,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-11 20:00:41,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-11 20:00:41,930 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-11 20:00:41,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:00:41" (1/1) ... [2020-10-11 20:00:41,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c3dd89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:41, skipping insertion in model container [2020-10-11 20:00:41,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:00:41" (1/1) ... [2020-10-11 20:00:41,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-11 20:00:41,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-11 20:00:42,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 20:00:42,219 INFO L203 MainTranslator]: Completed pre-run [2020-10-11 20:00:42,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-11 20:00:42,337 INFO L208 MainTranslator]: Completed translation [2020-10-11 20:00:42,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42 WrapperNode [2020-10-11 20:00:42,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-11 20:00:42,340 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-11 20:00:42,340 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-11 20:00:42,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-11 20:00:42,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (1/1) ... [2020-10-11 20:00:42,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (1/1) ... [2020-10-11 20:00:42,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-11 20:00:42,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-11 20:00:42,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-11 20:00:42,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-11 20:00:42,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (1/1) ... [2020-10-11 20:00:42,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (1/1) ... [2020-10-11 20:00:42,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (1/1) ... [2020-10-11 20:00:42,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (1/1) ... [2020-10-11 20:00:42,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (1/1) ... [2020-10-11 20:00:42,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (1/1) ... [2020-10-11 20:00:42,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (1/1) ... [2020-10-11 20:00:42,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-11 20:00:42,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-11 20:00:42,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-11 20:00:42,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-11 20:00:42,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (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 [2020-10-11 20:00:42,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-11 20:00:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-11 20:00:42,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-11 20:00:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-11 20:00:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-11 20:00:42,455 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2020-10-11 20:00:42,456 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2020-10-11 20:00:42,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-11 20:00:42,458 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-11 20:00:42,839 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-11 20:00:42,839 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-11 20:00:42,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:00:42 BoogieIcfgContainer [2020-10-11 20:00:42,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-11 20:00:42,842 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-11 20:00:42,842 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-11 20:00:42,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-11 20:00:42,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:00:41" (1/3) ... [2020-10-11 20:00:42,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec09e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:00:42, skipping insertion in model container [2020-10-11 20:00:42,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:00:42" (2/3) ... [2020-10-11 20:00:42,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec09e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:00:42, skipping insertion in model container [2020-10-11 20:00:42,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:00:42" (3/3) ... [2020-10-11 20:00:42,849 INFO L111 eAbstractionObserver]: Analyzing ICFG globalVariableMultipleThreads.c [2020-10-11 20:00:42,860 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-11 20:00:42,868 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-11 20:00:42,869 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-11 20:00:42,893 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,893 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,893 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,893 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,894 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,894 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,894 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,894 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,895 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,895 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,895 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,895 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,896 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,896 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,896 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,896 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,896 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,897 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,897 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,897 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,897 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,901 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,901 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,902 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,902 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,902 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,902 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,902 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,903 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,903 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,903 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,903 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,904 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:42,927 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-11 20:00:42,948 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 20:00:42,948 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 20:00:42,949 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 20:00:42,949 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 20:00:42,949 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 20:00:42,949 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 20:00:42,949 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 20:00:42,949 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 20:00:42,963 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions, 120 flow [2020-10-11 20:00:43,004 INFO L129 PetriNetUnfolder]: 2/64 cut-off events. [2020-10-11 20:00:43,004 INFO L130 PetriNetUnfolder]: For 1/2 co-relation queries the response was YES. [2020-10-11 20:00:43,008 INFO L80 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 64 events. 2/64 cut-off events. For 1/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2020-10-11 20:00:43,009 INFO L82 GeneralOperation]: Start removeDead. Operand has 58 places, 56 transitions, 120 flow [2020-10-11 20:00:43,014 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 47 transitions, 99 flow [2020-10-11 20:00:43,030 INFO L129 PetriNetUnfolder]: 2/44 cut-off events. [2020-10-11 20:00:43,030 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-11 20:00:43,031 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 20:00:43,032 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 20:00:43,032 INFO L429 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 20:00:43,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 20:00:43,039 INFO L82 PathProgramCache]: Analyzing trace with hash -810443521, now seen corresponding path program 1 times [2020-10-11 20:00:43,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 20:00:43,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878123681] [2020-10-11 20:00:43,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 20:00:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 20:00:43,190 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 20:00:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 20:00:43,222 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 20:00:43,251 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 20:00:43,252 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 20:00:43,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-11 20:00:43,253 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-11 20:00:43,254 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-11 20:00:43,270 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,270 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,271 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,271 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,271 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,271 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,272 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,272 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,272 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,272 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,273 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,273 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,273 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,274 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,274 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,274 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,274 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,274 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,275 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,275 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,275 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,276 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,276 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,276 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,276 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,277 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,277 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,277 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,277 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,278 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,278 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,278 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,279 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,279 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,279 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,279 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,279 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,280 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,280 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,280 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,280 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,281 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,281 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,282 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,282 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,282 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,282 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,282 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,283 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,283 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,283 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,283 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,283 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,284 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,286 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,287 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,287 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,287 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,287 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,288 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,288 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,288 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of2ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,288 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,288 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,289 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,289 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of2ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:43,296 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-11 20:00:43,297 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 20:00:43,297 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 20:00:43,297 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 20:00:43,297 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 20:00:43,297 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 20:00:43,297 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 20:00:43,298 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 20:00:43,298 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 20:00:43,301 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 81 places, 78 transitions, 174 flow [2020-10-11 20:00:43,337 INFO L129 PetriNetUnfolder]: 3/117 cut-off events. [2020-10-11 20:00:43,337 INFO L130 PetriNetUnfolder]: For 5/7 co-relation queries the response was YES. [2020-10-11 20:00:43,341 INFO L80 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 3/117 cut-off events. For 5/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 198 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 66. Up to 6 conditions per place. [2020-10-11 20:00:43,341 INFO L82 GeneralOperation]: Start removeDead. Operand has 81 places, 78 transitions, 174 flow [2020-10-11 20:00:43,343 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 78 transitions, 174 flow [2020-10-11 20:00:43,365 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-11 20:00:43,365 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-11 20:00:43,365 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 20:00:43,365 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 20:00:43,366 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 20:00:43,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 20:00:43,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1755745937, now seen corresponding path program 1 times [2020-10-11 20:00:43,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 20:00:43,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674073865] [2020-10-11 20:00:43,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 20:00:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 20:00:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 20:00:43,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674073865] [2020-10-11 20:00:43,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 20:00:43,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 20:00:43,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114137281] [2020-10-11 20:00:43,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 20:00:43,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 20:00:43,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 20:00:43,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-11 20:00:43,777 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 68 out of 78 [2020-10-11 20:00:43,780 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 78 transitions, 174 flow. Second operand 5 states. [2020-10-11 20:00:43,781 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 20:00:43,781 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 68 of 78 [2020-10-11 20:00:43,783 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 20:00:44,051 INFO L129 PetriNetUnfolder]: 12/264 cut-off events. [2020-10-11 20:00:44,051 INFO L130 PetriNetUnfolder]: For 12/21 co-relation queries the response was YES. [2020-10-11 20:00:44,056 INFO L80 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 264 events. 12/264 cut-off events. For 12/21 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1100 event pairs, 3 based on Foata normal form. 32/284 useless extension candidates. Maximal degree in co-relation 230. Up to 23 conditions per place. [2020-10-11 20:00:44,059 INFO L132 encePairwiseOnDemand]: 68/78 looper letters, 6 selfloop transitions, 13 changer transitions 0/87 dead transitions. [2020-10-11 20:00:44,059 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 87 transitions, 230 flow [2020-10-11 20:00:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 20:00:44,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 20:00:44,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 365 transitions. [2020-10-11 20:00:44,078 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.9358974358974359 [2020-10-11 20:00:44,079 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 365 transitions. [2020-10-11 20:00:44,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 365 transitions. [2020-10-11 20:00:44,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 20:00:44,085 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 365 transitions. [2020-10-11 20:00:44,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 20:00:44,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 20:00:44,097 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 20:00:44,100 INFO L185 Difference]: Start difference. First operand has 81 places, 78 transitions, 174 flow. Second operand 5 states and 365 transitions. [2020-10-11 20:00:44,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 87 transitions, 230 flow [2020-10-11 20:00:44,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 87 transitions, 230 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-11 20:00:44,112 INFO L241 Difference]: Finished difference. Result has 87 places, 87 transitions, 247 flow [2020-10-11 20:00:44,115 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=247, PETRI_PLACES=87, PETRI_TRANSITIONS=87} [2020-10-11 20:00:44,116 INFO L341 CegarLoopForPetriNet]: 81 programPoint places, 6 predicate places. [2020-10-11 20:00:44,117 INFO L481 AbstractCegarLoop]: Abstraction has has 87 places, 87 transitions, 247 flow [2020-10-11 20:00:44,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 20:00:44,117 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 20:00:44,117 INFO L255 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 20:00:44,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-11 20:00:44,118 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 20:00:44,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 20:00:44,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1932871524, now seen corresponding path program 1 times [2020-10-11 20:00:44,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 20:00:44,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383904964] [2020-10-11 20:00:44,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 20:00:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 20:00:44,150 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 20:00:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 20:00:44,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 20:00:44,208 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 20:00:44,209 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 20:00:44,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-11 20:00:44,210 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-11 20:00:44,211 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-11 20:00:44,223 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,223 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,224 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,224 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,224 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,224 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,224 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,225 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,225 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,225 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,225 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,226 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,226 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,226 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,226 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,226 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,227 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,227 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,227 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,227 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,228 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,228 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,228 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,229 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,229 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,229 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,229 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,229 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,230 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,230 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,230 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,230 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,230 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,231 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,231 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,231 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,231 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,232 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,232 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,232 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,232 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,232 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,233 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,233 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,233 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,234 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,234 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,234 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,234 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,234 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,234 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,235 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,235 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,235 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,235 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,236 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,236 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,236 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,237 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,237 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,237 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,238 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,238 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,238 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,238 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,239 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,240 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,242 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,242 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,243 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,243 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,244 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,244 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,244 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,244 WARN L313 ript$VariableManager]: TermVariabe myThreadThread2of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,246 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,247 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,247 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,247 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,247 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,247 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,248 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~myid~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,248 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,248 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,248 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~pre6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,248 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,249 WARN L313 ript$VariableManager]: TermVariabe myThreadThread3of3ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-11 20:00:44,253 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-11 20:00:44,253 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-11 20:00:44,254 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-11 20:00:44,254 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-11 20:00:44,254 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-11 20:00:44,254 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-11 20:00:44,254 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-11 20:00:44,254 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-11 20:00:44,254 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-11 20:00:44,258 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 104 places, 100 transitions, 230 flow [2020-10-11 20:00:44,286 INFO L129 PetriNetUnfolder]: 4/179 cut-off events. [2020-10-11 20:00:44,286 INFO L130 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES. [2020-10-11 20:00:44,288 INFO L80 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 179 events. 4/179 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 503 event pairs, 0 based on Foata normal form. 0/167 useless extension candidates. Maximal degree in co-relation 125. Up to 8 conditions per place. [2020-10-11 20:00:44,288 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 100 transitions, 230 flow [2020-10-11 20:00:44,290 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 100 transitions, 230 flow [2020-10-11 20:00:44,298 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-10-11 20:00:44,299 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-11 20:00:44,299 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 20:00:44,299 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 20:00:44,299 INFO L429 AbstractCegarLoop]: === Iteration 1 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 20:00:44,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 20:00:44,300 INFO L82 PathProgramCache]: Analyzing trace with hash 859996035, now seen corresponding path program 1 times [2020-10-11 20:00:44,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 20:00:44,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754845872] [2020-10-11 20:00:44,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 20:00:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 20:00:44,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 20:00:44,362 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754845872] [2020-10-11 20:00:44,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-11 20:00:44,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-11 20:00:44,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803322535] [2020-10-11 20:00:44,363 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-11 20:00:44,363 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 20:00:44,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-11 20:00:44,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-11 20:00:44,595 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 100 [2020-10-11 20:00:44,596 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 100 transitions, 230 flow. Second operand 5 states. [2020-10-11 20:00:44,596 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 20:00:44,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 100 [2020-10-11 20:00:44,597 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 20:00:44,958 INFO L129 PetriNetUnfolder]: 188/1502 cut-off events. [2020-10-11 20:00:44,958 INFO L130 PetriNetUnfolder]: For 78/160 co-relation queries the response was YES. [2020-10-11 20:00:44,975 INFO L80 FinitePrefix]: Finished finitePrefix Result has 1954 conditions, 1502 events. 188/1502 cut-off events. For 78/160 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 12784 event pairs, 57 based on Foata normal form. 182/1591 useless extension candidates. Maximal degree in co-relation 1608. Up to 250 conditions per place. [2020-10-11 20:00:44,990 INFO L132 encePairwiseOnDemand]: 86/100 looper letters, 12 selfloop transitions, 19 changer transitions 0/117 dead transitions. [2020-10-11 20:00:44,990 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 117 transitions, 326 flow [2020-10-11 20:00:44,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-11 20:00:44,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-11 20:00:44,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 468 transitions. [2020-10-11 20:00:44,994 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.936 [2020-10-11 20:00:44,995 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 468 transitions. [2020-10-11 20:00:44,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 468 transitions. [2020-10-11 20:00:44,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 20:00:44,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 468 transitions. [2020-10-11 20:00:44,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-11 20:00:45,003 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 6 states. [2020-10-11 20:00:45,003 INFO L81 ComplementDD]: Finished complementDD. Result 6 states. [2020-10-11 20:00:45,004 INFO L185 Difference]: Start difference. First operand has 104 places, 100 transitions, 230 flow. Second operand 5 states and 468 transitions. [2020-10-11 20:00:45,004 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 117 transitions, 326 flow [2020-10-11 20:00:45,007 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 117 transitions, 326 flow, removed 0 selfloop flow, removed 0 redundant places. [2020-10-11 20:00:45,010 INFO L241 Difference]: Finished difference. Result has 110 places, 117 transitions, 351 flow [2020-10-11 20:00:45,011 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=351, PETRI_PLACES=110, PETRI_TRANSITIONS=117} [2020-10-11 20:00:45,011 INFO L341 CegarLoopForPetriNet]: 104 programPoint places, 6 predicate places. [2020-10-11 20:00:45,012 INFO L481 AbstractCegarLoop]: Abstraction has has 110 places, 117 transitions, 351 flow [2020-10-11 20:00:45,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-11 20:00:45,012 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 20:00:45,012 INFO L255 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 20:00:45,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-11 20:00:45,013 INFO L429 AbstractCegarLoop]: === Iteration 2 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 20:00:45,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 20:00:45,013 INFO L82 PathProgramCache]: Analyzing trace with hash -197343632, now seen corresponding path program 1 times [2020-10-11 20:00:45,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 20:00:45,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719143932] [2020-10-11 20:00:45,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 20:00:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 20:00:45,372 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 20:00:45,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719143932] [2020-10-11 20:00:45,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098016331] [2020-10-11 20:00:45,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 20:00:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-11 20:00:45,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2020-10-11 20:00:45,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-11 20:00:45,508 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-11 20:00:45,509 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,512 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:45,512 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,513 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-11 20:00:45,536 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:45,537 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-10-11 20:00:45,538 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,540 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:45,540 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,541 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2020-10-11 20:00:45,547 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-10-11 20:00:45,548 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,552 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:45,552 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,553 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:12 [2020-10-11 20:00:45,562 INFO L384 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 [2020-10-11 20:00:45,563 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,569 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:45,569 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,570 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2020-10-11 20:00:45,678 INFO L384 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 35 treesize of output 26 [2020-10-11 20:00:45,680 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,688 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:45,689 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,690 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:19 [2020-10-11 20:00:45,726 INFO L384 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 [2020-10-11 20:00:45,728 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,734 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:45,734 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,735 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:19 [2020-10-11 20:00:45,817 INFO L384 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 35 treesize of output 26 [2020-10-11 20:00:45,818 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,827 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:45,828 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,828 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:19 [2020-10-11 20:00:45,874 INFO L384 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 [2020-10-11 20:00:45,876 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:45,884 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:45,887 INFO L545 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. [2020-10-11 20:00:45,888 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:19 [2020-10-11 20:00:46,031 INFO L384 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 35 treesize of output 26 [2020-10-11 20:00:46,033 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:46,041 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:46,043 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-11 20:00:46,044 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:39, output treesize:19 [2020-10-11 20:00:46,095 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 22 treesize of output 10 [2020-10-11 20:00:46,096 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-11 20:00:46,100 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-11 20:00:46,102 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-11 20:00:46,102 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:26, output treesize:3 [2020-10-11 20:00:46,120 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 15 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-11 20:00:46,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-11 20:00:46,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 27 [2020-10-11 20:00:46,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848699117] [2020-10-11 20:00:46,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-11 20:00:46,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-11 20:00:46,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-11 20:00:46,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=607, Unknown=0, NotChecked=0, Total=702 [2020-10-11 20:00:53,818 INFO L506 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 100 [2020-10-11 20:00:53,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 117 transitions, 351 flow. Second operand 27 states. [2020-10-11 20:00:53,821 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-11 20:00:53,821 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 100 [2020-10-11 20:00:53,821 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-11 20:00:55,039 INFO L129 PetriNetUnfolder]: 142/1425 cut-off events. [2020-10-11 20:00:55,039 INFO L130 PetriNetUnfolder]: For 182/213 co-relation queries the response was YES. [2020-10-11 20:00:55,046 INFO L80 FinitePrefix]: Finished finitePrefix Result has 2290 conditions, 1425 events. 142/1425 cut-off events. For 182/213 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 12128 event pairs, 33 based on Foata normal form. 0/1385 useless extension candidates. Maximal degree in co-relation 1800. Up to 216 conditions per place. [2020-10-11 20:00:55,054 INFO L132 encePairwiseOnDemand]: 85/100 looper letters, 16 selfloop transitions, 27 changer transitions 6/145 dead transitions. [2020-10-11 20:00:55,054 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 145 transitions, 499 flow [2020-10-11 20:00:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-11 20:00:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-10-11 20:00:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 2262 transitions. [2020-10-11 20:00:55,062 INFO L551 CegarLoopForPetriNet]: DFA transition density 0.8078571428571428 [2020-10-11 20:00:55,063 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 2262 transitions. [2020-10-11 20:00:55,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 2262 transitions. [2020-10-11 20:00:55,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-11 20:00:55,065 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 2262 transitions. [2020-10-11 20:00:55,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 29 states. [2020-10-11 20:00:55,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 29 states. [2020-10-11 20:00:55,075 INFO L81 ComplementDD]: Finished complementDD. Result 29 states. [2020-10-11 20:00:55,075 INFO L185 Difference]: Start difference. First operand has 110 places, 117 transitions, 351 flow. Second operand 28 states and 2262 transitions. [2020-10-11 20:00:55,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 145 transitions, 499 flow [2020-10-11 20:00:55,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 145 transitions, 495 flow, removed 0 selfloop flow, removed 2 redundant places. [2020-10-11 20:00:55,087 INFO L241 Difference]: Finished difference. Result has 139 places, 132 transitions, 452 flow [2020-10-11 20:00:55,087 INFO L325 CegarLoopForPetriNet]: {PETRI_ALPHABET=100, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=452, PETRI_PLACES=139, PETRI_TRANSITIONS=132} [2020-10-11 20:00:55,088 INFO L341 CegarLoopForPetriNet]: 104 programPoint places, 35 predicate places. [2020-10-11 20:00:55,088 INFO L481 AbstractCegarLoop]: Abstraction has has 139 places, 132 transitions, 452 flow [2020-10-11 20:00:55,088 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-11 20:00:55,088 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-11 20:00:55,089 INFO L255 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-11 20:00:55,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-11 20:00:55,303 INFO L429 AbstractCegarLoop]: === Iteration 3 === [myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, myThreadErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, myThreadErr0ASSERT_VIOLATIONASSERT]=== [2020-10-11 20:00:55,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-11 20:00:55,303 INFO L82 PathProgramCache]: Analyzing trace with hash 234769042, now seen corresponding path program 1 times [2020-10-11 20:00:55,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-11 20:00:55,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422076055] [2020-10-11 20:00:55,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-11 20:00:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 20:00:55,346 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 20:00:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-11 20:00:55,382 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-11 20:00:55,401 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-11 20:00:55,402 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-11 20:00:55,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-11 20:00:55,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 08:00:55 BasicIcfg [2020-10-11 20:00:55,528 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-11 20:00:55,531 INFO L168 Benchmark]: Toolchain (without parser) took 13605.48 ms. Allocated memory was 252.7 MB in the beginning and 511.7 MB in the end (delta: 259.0 MB). Free memory was 207.8 MB in the beginning and 439.1 MB in the end (delta: -231.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 14.2 GB. [2020-10-11 20:00:55,532 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-11 20:00:55,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 412.99 ms. Allocated memory was 252.7 MB in the beginning and 317.2 MB in the end (delta: 64.5 MB). Free memory was 207.8 MB in the beginning and 292.3 MB in the end (delta: -84.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 14.2 GB. [2020-10-11 20:00:55,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.04 ms. Allocated memory is still 317.2 MB. Free memory was 292.3 MB in the beginning and 289.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-11 20:00:55,536 INFO L168 Benchmark]: Boogie Preprocessor took 24.12 ms. Allocated memory is still 317.2 MB. Free memory was 289.8 MB in the beginning and 288.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.2 GB. [2020-10-11 20:00:55,538 INFO L168 Benchmark]: RCFGBuilder took 439.59 ms. Allocated memory is still 317.2 MB. Free memory was 288.5 MB in the beginning and 271.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.2 GB. [2020-10-11 20:00:55,541 INFO L168 Benchmark]: TraceAbstraction took 12686.34 ms. Allocated memory was 317.2 MB in the beginning and 511.7 MB in the end (delta: 194.5 MB). Free memory was 268.6 MB in the beginning and 439.1 MB in the end (delta: -170.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 14.2 GB. [2020-10-11 20:00:55,546 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 252.7 MB. Free memory is still 229.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 412.99 ms. Allocated memory was 252.7 MB in the beginning and 317.2 MB in the end (delta: 64.5 MB). Free memory was 207.8 MB in the beginning and 292.3 MB in the end (delta: -84.4 MB). Peak memory consumption was 27.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 37.04 ms. Allocated memory is still 317.2 MB. Free memory was 292.3 MB in the beginning and 289.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 24.12 ms. Allocated memory is still 317.2 MB. Free memory was 289.8 MB in the beginning and 288.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.2 GB. * RCFGBuilder took 439.59 ms. Allocated memory is still 317.2 MB. Free memory was 288.5 MB in the beginning and 271.1 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 12686.34 ms. Allocated memory was 317.2 MB in the beginning and 511.7 MB in the end (delta: 194.5 MB). Free memory was 268.6 MB in the beginning and 439.1 MB in the end (delta: -170.5 MB). Peak memory consumption was 24.0 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 25]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int g = 0; VAL [g=0] [L21] 0 static int s = 0; VAL [g=0, s=0] [L30] 0 int i; VAL [g=0, s=0] [L31] 0 pthread_t tid; VAL [g=0, s=0] [L34] 0 i = 0 VAL [g=0, s=0] [L34] EXPR 0 \read(i) VAL [g=0, s=0] [L34] COND TRUE 0 i < 3 VAL [g=0, s=0] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [g=0, s=0, vargp={5:0}] [L20] 1 int *myid = (int *)vargp; VAL [g=0, myid={5:0}, s=0, vargp={5:0}, vargp={5:0}] [L22] 1 ++s VAL [g=0, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L22] 1 ++g VAL [g=1, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L24] 1 \read(*myid) VAL [\read(*myid)=0, g=1, myid={5:0}, s=1, vargp={5:0}, vargp={5:0}] [L24] 1 ++s VAL [++s=2, \read(*myid)=0, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [++s=2, \read(*myid)=0, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L34] 0 i++ VAL [++s=2, \read(*myid)=0, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L34] EXPR 0 \read(i) VAL [++s=2, \read(*myid)=0, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L34] COND TRUE 0 i < 3 VAL [++s=2, \read(*myid)=0, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L35] FCALL, FORK 0 pthread_create(&tid, NULL, myThread, (void *)&i) VAL [++s=2, \read(*myid)=0, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L20] 2 int *myid = (int *)vargp; VAL [++s=2, \read(*myid)=0, g=1, myid={5:0}, s=2, vargp={5:0}, vargp={5:0}] [L22] 2 ++s VAL [++s=3, ++s=2, \read(*myid)=0, g=1, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L24] 1 ++g VAL [++g=2, ++s=3, ++s=2, \read(*myid)=0, g=2, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] [L25] 1 CodeAnnotStmt[Assertion] VAL [++s=3, g=2, myid={5:0}, s=3, vargp={5:0}, vargp={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 3 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 12.3s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 54 SDtfs, 352 SDslu, 832 SDs, 0 SdLazy, 2332 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 280 NumberOfCodeBlocks, 280 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 162 ConstructedInterpolants, 8 QuantifiedInterpolants, 62802 SizeOfPredicates, 13 NumberOfNonLiveVariables, 102 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 30/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...