/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/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread/stack-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 20:19:34,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 20:19:34,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 20:19:34,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 20:19:34,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 20:19:34,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 20:19:34,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 20:19:34,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 20:19:34,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 20:19:34,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 20:19:34,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 20:19:34,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 20:19:34,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 20:19:34,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 20:19:34,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 20:19:34,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 20:19:34,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 20:19:34,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 20:19:34,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 20:19:34,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 20:19:34,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 20:19:34,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 20:19:34,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 20:19:34,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 20:19:34,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 20:19:34,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 20:19:34,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 20:19:34,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 20:19:34,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 20:19:34,414 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 20:19:34,414 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 20:19:34,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 20:19:34,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 20:19:34,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 20:19:34,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 20:19:34,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 20:19:34,419 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 20:19:34,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 20:19:34,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 20:19:34,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 20:19:34,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 20:19:34,423 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-10-15 20:19:34,464 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 20:19:34,464 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 20:19:34,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 20:19:34,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 20:19:34,466 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 20:19:34,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 20:19:34,466 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 20:19:34,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 20:19:34,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 20:19:34,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 20:19:34,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 20:19:34,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 20:19:34,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 20:19:34,468 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 20:19:34,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 20:19:34,468 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 20:19:34,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 20:19:34,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 20:19:34,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 20:19:34,469 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 20:19:34,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 20:19:34,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:19:34,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 20:19:34,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 20:19:34,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 20:19:34,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 20:19:34,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 20:19:34,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 20:19:34,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 20:19:34,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 20:19:34,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 20:19:34,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 20:19:34,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 20:19:34,773 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 20:19:34,774 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2020-10-15 20:19:34,849 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64a2c3f45/03cb0d9f334147e9be6dca9f87cea5b9/FLAG08a693e44 [2020-10-15 20:19:35,387 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 20:19:35,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2020-10-15 20:19:35,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64a2c3f45/03cb0d9f334147e9be6dca9f87cea5b9/FLAG08a693e44 [2020-10-15 20:19:35,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64a2c3f45/03cb0d9f334147e9be6dca9f87cea5b9 [2020-10-15 20:19:35,674 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 20:19:35,676 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 20:19:35,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 20:19:35,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 20:19:35,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 20:19:35,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:19:35" (1/1) ... [2020-10-15 20:19:35,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b910bd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:35, skipping insertion in model container [2020-10-15 20:19:35,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:19:35" (1/1) ... [2020-10-15 20:19:35,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 20:19:35,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 20:19:36,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:19:36,476 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 20:19:36,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:19:36,696 INFO L208 MainTranslator]: Completed translation [2020-10-15 20:19:36,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36 WrapperNode [2020-10-15 20:19:36,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 20:19:36,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 20:19:36,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 20:19:36,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 20:19:36,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (1/1) ... [2020-10-15 20:19:36,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (1/1) ... [2020-10-15 20:19:36,764 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 20:19:36,765 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 20:19:36,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 20:19:36,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 20:19:36,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (1/1) ... [2020-10-15 20:19:36,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (1/1) ... [2020-10-15 20:19:36,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (1/1) ... [2020-10-15 20:19:36,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (1/1) ... [2020-10-15 20:19:36,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (1/1) ... [2020-10-15 20:19:36,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (1/1) ... [2020-10-15 20:19:36,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (1/1) ... [2020-10-15 20:19:36,803 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 20:19:36,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 20:19:36,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 20:19:36,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 20:19:36,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (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 [2020-10-15 20:19:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 20:19:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 20:19:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 20:19:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 20:19:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 20:19:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 20:19:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 20:19:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 20:19:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 20:19:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 20:19:36,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 20:19:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 20:19:36,888 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 20:19:37,380 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 20:19:37,381 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-15 20:19:37,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:19:37 BoogieIcfgContainer [2020-10-15 20:19:37,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 20:19:37,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 20:19:37,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 20:19:37,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 20:19:37,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:19:35" (1/3) ... [2020-10-15 20:19:37,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3d5a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:19:37, skipping insertion in model container [2020-10-15 20:19:37,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:19:36" (2/3) ... [2020-10-15 20:19:37,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e3d5a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:19:37, skipping insertion in model container [2020-10-15 20:19:37,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:19:37" (3/3) ... [2020-10-15 20:19:37,393 INFO L111 eAbstractionObserver]: Analyzing ICFG stack-2.i [2020-10-15 20:19:37,406 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 20:19:37,406 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 20:19:37,415 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 20:19:37,416 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 20:19:37,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,455 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,455 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,456 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,456 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,456 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,456 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,457 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,457 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,457 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,458 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,458 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,459 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,459 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,460 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,460 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,461 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,461 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,462 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,462 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,462 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,463 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,463 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,464 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,464 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,464 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,464 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,465 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,466 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,467 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,468 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,468 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,469 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,470 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,470 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,471 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,471 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,472 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,473 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,473 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,473 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,473 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,474 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,475 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,475 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,476 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,477 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,477 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,477 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,477 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,478 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,478 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,478 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,478 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,479 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,479 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,479 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,479 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,480 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,480 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,480 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,480 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,481 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,482 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,483 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,484 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,485 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,486 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,487 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,488 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,488 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,488 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,489 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,490 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,493 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,494 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,494 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,494 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,495 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,495 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,496 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,496 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,496 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,496 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,497 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,497 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,497 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,497 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,498 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,498 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,498 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,498 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,498 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,499 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,506 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,506 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,507 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,507 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,508 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,509 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,509 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,510 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,510 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:19:37,537 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 20:19:37,558 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:19:37,558 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:19:37,558 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:19:37,559 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:19:37,559 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:19:37,559 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:19:37,559 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:19:37,559 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:19:37,577 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:19:37,580 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 149 transitions, 320 flow [2020-10-15 20:19:37,583 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 144 places, 149 transitions, 320 flow [2020-10-15 20:19:37,585 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 149 transitions, 320 flow [2020-10-15 20:19:37,658 INFO L129 PetriNetUnfolder]: 11/149 cut-off events. [2020-10-15 20:19:37,659 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 20:19:37,666 INFO L80 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 149 events. 11/149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 386 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-15 20:19:37,703 INFO L117 LiptonReduction]: Number of co-enabled transitions 6532 [2020-10-15 20:19:40,167 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-10-15 20:19:41,565 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2020-10-15 20:19:41,840 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-15 20:19:41,856 INFO L132 LiptonReduction]: Checked pairs total: 11683 [2020-10-15 20:19:41,856 INFO L134 LiptonReduction]: Total number of compositions: 134 [2020-10-15 20:19:41,863 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 41 transitions, 104 flow [2020-10-15 20:19:41,891 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-10-15 20:19:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-10-15 20:19:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 20:19:41,900 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:41,901 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-15 20:19:41,901 INFO L429 AbstractCegarLoop]: === Iteration 1 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:41,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:41,907 INFO L82 PathProgramCache]: Analyzing trace with hash 913680502, now seen corresponding path program 1 times [2020-10-15 20:19:41,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:41,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771829926] [2020-10-15 20:19:41,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:42,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771829926] [2020-10-15 20:19:42,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:42,136 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:19:42,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000558523] [2020-10-15 20:19:42,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:19:42,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:42,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:19:42,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:42,159 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-10-15 20:19:42,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:42,248 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2020-10-15 20:19:42,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:19:42,250 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-15 20:19:42,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:42,270 INFO L225 Difference]: With dead ends: 602 [2020-10-15 20:19:42,270 INFO L226 Difference]: Without dead ends: 580 [2020-10-15 20:19:42,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:42,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-10-15 20:19:42,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2020-10-15 20:19:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-15 20:19:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2020-10-15 20:19:42,376 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2020-10-15 20:19:42,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:42,377 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2020-10-15 20:19:42,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:19:42,377 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2020-10-15 20:19:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 20:19:42,378 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:42,379 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:42,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 20:19:42,379 INFO L429 AbstractCegarLoop]: === Iteration 2 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:42,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:42,380 INFO L82 PathProgramCache]: Analyzing trace with hash -58751093, now seen corresponding path program 1 times [2020-10-15 20:19:42,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:42,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848713042] [2020-10-15 20:19:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:42,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:42,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848713042] [2020-10-15 20:19:42,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:42,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:19:42,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146835538] [2020-10-15 20:19:42,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:19:42,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:42,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:19:42,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:42,517 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2020-10-15 20:19:42,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:42,551 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2020-10-15 20:19:42,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:19:42,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-15 20:19:42,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:42,556 INFO L225 Difference]: With dead ends: 530 [2020-10-15 20:19:42,557 INFO L226 Difference]: Without dead ends: 508 [2020-10-15 20:19:42,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:42,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-15 20:19:42,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2020-10-15 20:19:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-15 20:19:42,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2020-10-15 20:19:42,590 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2020-10-15 20:19:42,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:42,591 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2020-10-15 20:19:42,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:19:42,591 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2020-10-15 20:19:42,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 20:19:42,592 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:42,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:42,593 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 20:19:42,593 INFO L429 AbstractCegarLoop]: === Iteration 3 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:42,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:42,593 INFO L82 PathProgramCache]: Analyzing trace with hash 937555321, now seen corresponding path program 1 times [2020-10-15 20:19:42,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:42,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280446421] [2020-10-15 20:19:42,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:42,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280446421] [2020-10-15 20:19:42,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:42,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:19:42,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146625088] [2020-10-15 20:19:42,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:19:42,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:42,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:19:42,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:42,652 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2020-10-15 20:19:42,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:42,668 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2020-10-15 20:19:42,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:19:42,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-15 20:19:42,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:42,673 INFO L225 Difference]: With dead ends: 504 [2020-10-15 20:19:42,673 INFO L226 Difference]: Without dead ends: 504 [2020-10-15 20:19:42,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:19:42,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-15 20:19:42,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-10-15 20:19:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-15 20:19:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2020-10-15 20:19:42,718 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2020-10-15 20:19:42,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:42,719 INFO L481 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2020-10-15 20:19:42,722 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:19:42,722 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2020-10-15 20:19:42,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 20:19:42,726 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:42,726 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:42,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 20:19:42,726 INFO L429 AbstractCegarLoop]: === Iteration 4 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:42,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:42,727 INFO L82 PathProgramCache]: Analyzing trace with hash -493457114, now seen corresponding path program 1 times [2020-10-15 20:19:42,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:42,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107607153] [2020-10-15 20:19:42,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:42,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107607153] [2020-10-15 20:19:42,883 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224210410] [2020-10-15 20:19:42,883 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 [2020-10-15 20:19:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:43,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 20:19:43,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:19:43,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:43,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:19:43,062 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-15 20:19:43,062 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335635747] [2020-10-15 20:19:43,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:19:43,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:43,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:19:43,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:19:43,064 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2020-10-15 20:19:43,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:43,163 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2020-10-15 20:19:43,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 20:19:43,164 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-15 20:19:43,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:43,171 INFO L225 Difference]: With dead ends: 940 [2020-10-15 20:19:43,171 INFO L226 Difference]: Without dead ends: 940 [2020-10-15 20:19:43,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-15 20:19:43,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-15 20:19:43,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2020-10-15 20:19:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-15 20:19:43,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2020-10-15 20:19:43,199 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2020-10-15 20:19:43,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:43,199 INFO L481 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2020-10-15 20:19:43,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:19:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2020-10-15 20:19:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 20:19:43,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:43,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:43,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:19:43,416 INFO L429 AbstractCegarLoop]: === Iteration 5 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:43,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:43,416 INFO L82 PathProgramCache]: Analyzing trace with hash 875268143, now seen corresponding path program 1 times [2020-10-15 20:19:43,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:43,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661939603] [2020-10-15 20:19:43,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:43,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661939603] [2020-10-15 20:19:43,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:43,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 20:19:43,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111885878] [2020-10-15 20:19:43,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 20:19:43,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:43,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 20:19:43,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 20:19:43,461 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 4 states. [2020-10-15 20:19:43,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:43,495 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2020-10-15 20:19:43,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:19:43,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-15 20:19:43,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:43,498 INFO L225 Difference]: With dead ends: 343 [2020-10-15 20:19:43,498 INFO L226 Difference]: Without dead ends: 339 [2020-10-15 20:19:43,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 20:19:43,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-15 20:19:43,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2020-10-15 20:19:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-15 20:19:43,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2020-10-15 20:19:43,508 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2020-10-15 20:19:43,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:43,508 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2020-10-15 20:19:43,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 20:19:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2020-10-15 20:19:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 20:19:43,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:43,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:43,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 20:19:43,511 INFO L429 AbstractCegarLoop]: === Iteration 6 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:43,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:43,511 INFO L82 PathProgramCache]: Analyzing trace with hash -623007831, now seen corresponding path program 1 times [2020-10-15 20:19:43,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:43,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117721185] [2020-10-15 20:19:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:43,572 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117721185] [2020-10-15 20:19:43,572 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:43,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 20:19:43,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104476535] [2020-10-15 20:19:43,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:19:43,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:43,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:19:43,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:19:43,574 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2020-10-15 20:19:43,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:43,650 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2020-10-15 20:19:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 20:19:43,651 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-15 20:19:43,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:43,654 INFO L225 Difference]: With dead ends: 473 [2020-10-15 20:19:43,654 INFO L226 Difference]: Without dead ends: 473 [2020-10-15 20:19:43,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:19:43,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-15 20:19:43,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2020-10-15 20:19:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-15 20:19:43,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2020-10-15 20:19:43,666 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2020-10-15 20:19:43,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:43,667 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2020-10-15 20:19:43,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:19:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2020-10-15 20:19:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 20:19:43,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:43,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:43,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 20:19:43,669 INFO L429 AbstractCegarLoop]: === Iteration 7 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:43,669 INFO L82 PathProgramCache]: Analyzing trace with hash 1134249582, now seen corresponding path program 1 times [2020-10-15 20:19:43,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:43,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241329113] [2020-10-15 20:19:43,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:44,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:44,122 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241329113] [2020-10-15 20:19:44,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:19:44,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-15 20:19:44,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445932118] [2020-10-15 20:19:44,123 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-15 20:19:44,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:44,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-15 20:19:44,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-15 20:19:44,124 INFO L87 Difference]: Start difference. First operand 351 states and 791 transitions. Second operand 14 states. [2020-10-15 20:19:45,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:45,568 INFO L93 Difference]: Finished difference Result 743 states and 1627 transitions. [2020-10-15 20:19:45,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-15 20:19:45,569 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-10-15 20:19:45,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:45,574 INFO L225 Difference]: With dead ends: 743 [2020-10-15 20:19:45,575 INFO L226 Difference]: Without dead ends: 743 [2020-10-15 20:19:45,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2020-10-15 20:19:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2020-10-15 20:19:45,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 436. [2020-10-15 20:19:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-10-15 20:19:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 990 transitions. [2020-10-15 20:19:45,589 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 990 transitions. Word has length 21 [2020-10-15 20:19:45,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:45,590 INFO L481 AbstractCegarLoop]: Abstraction has 436 states and 990 transitions. [2020-10-15 20:19:45,590 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-15 20:19:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 990 transitions. [2020-10-15 20:19:45,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 20:19:45,591 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:45,591 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-15 20:19:45,591 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 20:19:45,591 INFO L429 AbstractCegarLoop]: === Iteration 8 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:45,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:45,592 INFO L82 PathProgramCache]: Analyzing trace with hash -730101290, now seen corresponding path program 2 times [2020-10-15 20:19:45,592 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:45,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090315066] [2020-10-15 20:19:45,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:19:45,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:45,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090315066] [2020-10-15 20:19:45,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501095490] [2020-10-15 20:19:45,666 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:19:45,746 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 20:19:45,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:19:45,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 20:19:45,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:19:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:19:45,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:19:45,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-15 20:19:45,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996376937] [2020-10-15 20:19:45,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:19:45,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:19:45,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:19:45,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:19:45,778 INFO L87 Difference]: Start difference. First operand 436 states and 990 transitions. Second operand 9 states. [2020-10-15 20:19:45,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:19:45,856 INFO L93 Difference]: Finished difference Result 789 states and 1756 transitions. [2020-10-15 20:19:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:19:45,857 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-15 20:19:45,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:19:45,861 INFO L225 Difference]: With dead ends: 789 [2020-10-15 20:19:45,862 INFO L226 Difference]: Without dead ends: 789 [2020-10-15 20:19:45,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-10-15 20:19:45,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-15 20:19:45,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 548. [2020-10-15 20:19:45,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-15 20:19:45,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 1256 transitions. [2020-10-15 20:19:45,878 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 1256 transitions. Word has length 22 [2020-10-15 20:19:45,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:19:45,878 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 1256 transitions. [2020-10-15 20:19:45,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:19:45,879 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1256 transitions. [2020-10-15 20:19:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-15 20:19:45,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:19:45,880 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:19:46,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:19:46,095 INFO L429 AbstractCegarLoop]: === Iteration 9 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:19:46,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:19:46,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1923020665, now seen corresponding path program 1 times [2020-10-15 20:19:46,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:19:46,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188394125] [2020-10-15 20:19:46,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:19:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:19:46,136 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:19:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:19:46,159 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:19:46,187 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 20:19:46,187 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 20:19:46,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 20:19:46,188 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 20:19:46,189 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 20:19:46,196 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [572] [572] L4-->L978-1: Formula: (and (let ((.cse1 (mod t1Thread1of1ForFork0_~tmp~0_In51250203 4294967296))) (let ((.cse0 (<= .cse1 2147483647))) (or (and (not .cse0) (= |t1Thread1of1ForFork0_push_#in~x_Out51250203| (+ .cse1 (- 4294967296)))) (and .cse0 (= |t1Thread1of1ForFork0_push_#in~x_Out51250203| .cse1))))) (= |~#arr~0.base_In51250203| |t1Thread1of1ForFork0_push_#in~stack.base_Out51250203|) (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_In51250203 0)) (= |~#arr~0.offset_In51250203| |t1Thread1of1ForFork0_push_#in~stack.offset_Out51250203|)) InVars {~#arr~0.offset=|~#arr~0.offset_In51250203|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_In51250203, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In51250203, ~#arr~0.base=|~#arr~0.base_In51250203|} OutVars{t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out51250203|, ~#arr~0.offset=|~#arr~0.offset_In51250203|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_In51250203, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out51250203|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In51250203, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out51250203|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out51250203|, ~#arr~0.base=|~#arr~0.base_In51250203|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-10-15 20:19:46,203 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [582] [582] L993-3-->L988-6: Formula: (and (= t2Thread1of1ForFork1_~i~1_In1221414245 (+ t2Thread1of1ForFork1_~i~1_Out1221414245 (- 1))) (<= 0 (+ |t2Thread1of1ForFork1_#t~ret47_In1221414245| 2147483648)) (= (store |#pthreadsMutex_In1221414245| |~#m~0.base_In1221414245| (store (select |#pthreadsMutex_In1221414245| |~#m~0.base_In1221414245|) |~#m~0.offset_In1221414245| 0)) |#pthreadsMutex_Out1221414245|) (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In1221414245|)) (<= |t2Thread1of1ForFork1_#t~ret47_In1221414245| 2147483647)) InVars {#pthreadsMutex=|#pthreadsMutex_In1221414245|, ~#m~0.base=|~#m~0.base_In1221414245|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In1221414245|, ~#m~0.offset=|~#m~0.offset_In1221414245|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In1221414245} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1221414245|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out1221414245|, ~#m~0.base=|~#m~0.base_In1221414245|, ~#m~0.offset=|~#m~0.offset_In1221414245|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out1221414245|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out1221414245} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-15 20:19:46,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:19:46 BasicIcfg [2020-10-15 20:19:46,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 20:19:46,248 INFO L168 Benchmark]: Toolchain (without parser) took 10572.57 ms. Allocated memory was 251.7 MB in the beginning and 486.5 MB in the end (delta: 234.9 MB). Free memory was 206.4 MB in the beginning and 279.1 MB in the end (delta: -72.7 MB). Peak memory consumption was 162.2 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:46,249 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 20:19:46,249 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1020.31 ms. Allocated memory was 251.7 MB in the beginning and 316.7 MB in the end (delta: 65.0 MB). Free memory was 206.4 MB in the beginning and 242.0 MB in the end (delta: -35.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:46,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.52 ms. Allocated memory is still 316.7 MB. Free memory was 242.0 MB in the beginning and 239.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:46,251 INFO L168 Benchmark]: Boogie Preprocessor took 47.42 ms. Allocated memory is still 316.7 MB. Free memory was 239.5 MB in the beginning and 236.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:46,251 INFO L168 Benchmark]: RCFGBuilder took 571.19 ms. Allocated memory is still 316.7 MB. Free memory was 236.9 MB in the beginning and 202.5 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:46,252 INFO L168 Benchmark]: TraceAbstraction took 8861.12 ms. Allocated memory was 316.7 MB in the beginning and 486.5 MB in the end (delta: 169.9 MB). Free memory was 202.5 MB in the beginning and 279.1 MB in the end (delta: -76.6 MB). Peak memory consumption was 93.2 MB. Max. memory is 14.2 GB. [2020-10-15 20:19:46,258 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 1020.31 ms. Allocated memory was 251.7 MB in the beginning and 316.7 MB in the end (delta: 65.0 MB). Free memory was 206.4 MB in the beginning and 242.0 MB in the end (delta: -35.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 66.52 ms. Allocated memory is still 316.7 MB. Free memory was 242.0 MB in the beginning and 239.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 47.42 ms. Allocated memory is still 316.7 MB. Free memory was 239.5 MB in the beginning and 236.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 571.19 ms. Allocated memory is still 316.7 MB. Free memory was 236.9 MB in the beginning and 202.5 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 8861.12 ms. Allocated memory was 316.7 MB in the beginning and 486.5 MB in the end (delta: 169.9 MB). Free memory was 202.5 MB in the beginning and 279.1 MB in the end (delta: -76.6 MB). Peak memory consumption was 93.2 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4860 VarBasedMoverChecksPositive, 89 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 60 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 358 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.2s, 144 PlacesBefore, 40 PlacesAfterwards, 149 TransitionsBefore, 41 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 7 FixpointIterations, 30 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 134 TotalNumberOfCompositions, 11683 MoverChecksTotal - CounterExampleResult [Line: 922]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L916] 0 static int top=0; [L917] 0 static unsigned int arr[(5)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1002] 0 pthread_t id1, id2; [L1004] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L971] 1 int i; [L972] 1 unsigned int tmp; [L973] 1 i=0 VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L1005] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L987] 2 int i; [L988] 2 i=0 VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L973] COND TRUE 1 i<(5) [L976] 1 tmp = __VERIFIER_nondet_uint() [L943] COND FALSE 1 !(top==(5)) [L935] 1 return top; [L950] 1 stack[get_top()] = x VAL [arr={6:0}, flag=0, m={10:0}, top=0] [L927] 1 top++ [L953] 1 return 0; [L978] COND FALSE 1 !(push(arr,tmp)==(-1)) [L980] 1 flag=(1) VAL [arr={6:0}, flag=1, m={10:0}, top=1] [L973] 1 i++ VAL [arr={6:0}, flag=1, m={10:0}, top=1] [L988] COND TRUE 2 i<(5) [L991] COND TRUE 2 \read(flag) [L935] 2 return top; VAL [arr={6:0}, flag=1, m={10:0}, top=1] [L957] COND FALSE 2 !(get_top()==0) [L931] 2 top-- VAL [arr={6:0}, flag=1, m={10:0}, top=0] [L935] 2 return top; [L965] EXPR 2 stack[get_top()] [L965] 2 return stack[get_top()]; [L988] COND TRUE 2 i<(5) [L991] COND TRUE 2 \read(flag) [L935] 2 return top; [L957] COND TRUE 2 get_top()==0 [L960] 2 return (-2); [L993] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={6:0}, flag=1, m={10:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 138 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.6s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.3s, HoareTripleCheckerStatistics: 397 SDtfs, 553 SDslu, 1076 SDs, 0 SdLazy, 778 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 1141 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 12342 SizeOfPredicates, 5 NumberOfNonLiveVariables, 347 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 6/34 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...