/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_longest-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 20:20:22,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 20:20:22,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 20:20:22,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 20:20:22,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 20:20:22,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 20:20:22,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 20:20:22,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 20:20:22,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 20:20:22,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 20:20:22,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 20:20:22,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 20:20:22,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 20:20:22,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 20:20:22,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 20:20:22,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 20:20:22,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 20:20:22,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 20:20:22,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 20:20:22,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 20:20:22,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 20:20:22,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 20:20:22,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 20:20:22,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 20:20:22,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 20:20:22,215 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 20:20:22,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 20:20:22,217 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 20:20:22,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 20:20:22,220 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 20:20:22,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 20:20:22,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 20:20:22,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 20:20:22,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 20:20:22,224 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 20:20:22,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 20:20:22,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 20:20:22,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 20:20:22,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 20:20:22,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 20:20:22,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 20:20:22,229 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 20:20:22,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 20:20:22,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 20:20:22,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 20:20:22,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 20:20:22,273 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 20:20:22,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 20:20:22,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 20:20:22,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 20:20:22,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 20:20:22,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 20:20:22,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 20:20:22,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 20:20:22,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 20:20:22,276 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 20:20:22,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 20:20:22,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 20:20:22,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 20:20:22,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 20:20:22,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 20:20:22,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 20:20:22,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 20:20:22,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:20:22,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 20:20:22,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 20:20:22,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 20:20:22,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 20:20:22,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 20:20:22,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 20:20:22,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 20:20:22,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 20:20:22,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 20:20:22,606 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 20:20:22,608 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 20:20:22,608 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 20:20:22,609 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-15 20:20:22,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f3d04de/1aba51a6412243d7bac05b6c3efad087/FLAGb4885ebc2 [2020-10-15 20:20:23,255 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 20:20:23,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-1.i [2020-10-15 20:20:23,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f3d04de/1aba51a6412243d7bac05b6c3efad087/FLAGb4885ebc2 [2020-10-15 20:20:23,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4f3d04de/1aba51a6412243d7bac05b6c3efad087 [2020-10-15 20:20:23,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 20:20:23,665 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 20:20:23,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 20:20:23,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 20:20:23,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 20:20:23,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:20:23" (1/1) ... [2020-10-15 20:20:23,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf59938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:23, skipping insertion in model container [2020-10-15 20:20:23,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:20:23" (1/1) ... [2020-10-15 20:20:23,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 20:20:23,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 20:20:24,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:20:24,354 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 20:20:24,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:20:24,555 INFO L208 MainTranslator]: Completed translation [2020-10-15 20:20:24,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24 WrapperNode [2020-10-15 20:20:24,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 20:20:24,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 20:20:24,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 20:20:24,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 20:20:24,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (1/1) ... [2020-10-15 20:20:24,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (1/1) ... [2020-10-15 20:20:24,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 20:20:24,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 20:20:24,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 20:20:24,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 20:20:24,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (1/1) ... [2020-10-15 20:20:24,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (1/1) ... [2020-10-15 20:20:24,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (1/1) ... [2020-10-15 20:20:24,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (1/1) ... [2020-10-15 20:20:24,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (1/1) ... [2020-10-15 20:20:24,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (1/1) ... [2020-10-15 20:20:24,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (1/1) ... [2020-10-15 20:20:24,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 20:20:24,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 20:20:24,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 20:20:24,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 20:20:24,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (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 20:20:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 20:20:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 20:20:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 20:20:24,720 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 20:20:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 20:20:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 20:20:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 20:20:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 20:20:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 20:20:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 20:20:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 20:20:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 20:20:24,731 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 20:20:25,266 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 20:20:25,266 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-10-15 20:20:25,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:20:25 BoogieIcfgContainer [2020-10-15 20:20:25,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 20:20:25,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 20:20:25,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 20:20:25,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 20:20:25,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:20:23" (1/3) ... [2020-10-15 20:20:25,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712a67b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:20:25, skipping insertion in model container [2020-10-15 20:20:25,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:20:24" (2/3) ... [2020-10-15 20:20:25,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@712a67b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:20:25, skipping insertion in model container [2020-10-15 20:20:25,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:20:25" (3/3) ... [2020-10-15 20:20:25,279 INFO L111 eAbstractionObserver]: Analyzing ICFG stack_longest-1.i [2020-10-15 20:20:25,292 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 20:20:25,292 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 20:20:25,302 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 20:20:25,303 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 20:20:25,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,345 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,346 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,346 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,347 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,347 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,347 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,348 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,348 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,349 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,349 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,349 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,350 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,350 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,350 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,351 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,351 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,352 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,353 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,354 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,354 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,355 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,355 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,356 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,357 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,357 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,358 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,358 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,359 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,360 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,360 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,360 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,361 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,361 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,361 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,361 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,362 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,362 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,362 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,362 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,363 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,363 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,363 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,364 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,364 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,364 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,365 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,365 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,365 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,365 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,365 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,366 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,366 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,366 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,366 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,366 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,367 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,367 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,367 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,367 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,368 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,368 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,368 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,368 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,369 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,369 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,369 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,369 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,370 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,371 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,372 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,373 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,374 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,374 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,374 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,375 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,376 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,379 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,380 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,380 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_inc_top_#t~post30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,381 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,381 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~ret35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,381 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,382 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,382 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,382 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~tmp~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,382 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,383 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_push_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,383 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,383 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_push_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,384 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,391 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,392 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,392 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,392 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,392 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,392 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dec_top_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,393 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~ret36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_get_top_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,394 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,394 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,395 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,395 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_pop_#in~stack.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,395 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,395 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_pop_~stack.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:20:25,417 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 20:20:25,435 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:20:25,436 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:20:25,436 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:20:25,436 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:20:25,436 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:20:25,436 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:20:25,437 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:20:25,437 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:20:25,453 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:20:25,456 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-15 20:20:25,459 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 145 transitions, 312 flow [2020-10-15 20:20:25,461 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 145 transitions, 312 flow [2020-10-15 20:20:25,537 INFO L129 PetriNetUnfolder]: 11/145 cut-off events. [2020-10-15 20:20:25,538 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 20:20:25,549 INFO L80 FinitePrefix]: Finished finitePrefix Result has 156 conditions, 145 events. 11/145 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 385 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 113. Up to 3 conditions per place. [2020-10-15 20:20:25,561 INFO L117 LiptonReduction]: Number of co-enabled transitions 6532 [2020-10-15 20:20:27,891 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 74 [2020-10-15 20:20:28,012 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-15 20:20:28,986 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-10-15 20:20:29,208 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-15 20:20:29,437 INFO L132 LiptonReduction]: Checked pairs total: 10616 [2020-10-15 20:20:29,437 INFO L134 LiptonReduction]: Total number of compositions: 130 [2020-10-15 20:20:29,455 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 40 transitions, 102 flow [2020-10-15 20:20:29,506 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 335 states. [2020-10-15 20:20:29,509 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2020-10-15 20:20:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 20:20:29,517 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:29,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-15 20:20:29,519 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 20:20:29,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:29,525 INFO L82 PathProgramCache]: Analyzing trace with hash 475987800, now seen corresponding path program 1 times [2020-10-15 20:20:29,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:29,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238972038] [2020-10-15 20:20:29,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:29,905 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 20:20:29,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238972038] [2020-10-15 20:20:29,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:29,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:20:29,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029554092] [2020-10-15 20:20:29,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:20:29,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:29,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:20:29,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:20:29,933 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 3 states. [2020-10-15 20:20:30,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:30,030 INFO L93 Difference]: Finished difference Result 602 states and 1541 transitions. [2020-10-15 20:20:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:20:30,032 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-15 20:20:30,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:30,053 INFO L225 Difference]: With dead ends: 602 [2020-10-15 20:20:30,054 INFO L226 Difference]: Without dead ends: 580 [2020-10-15 20:20:30,055 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 20:20:30,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-10-15 20:20:30,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 427. [2020-10-15 20:20:30,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2020-10-15 20:20:30,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 1148 transitions. [2020-10-15 20:20:30,160 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 1148 transitions. Word has length 6 [2020-10-15 20:20:30,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:30,160 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 1148 transitions. [2020-10-15 20:20:30,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:20:30,160 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 1148 transitions. [2020-10-15 20:20:30,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 20:20:30,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:30,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:30,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 20:20:30,169 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 20:20:30,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:30,170 INFO L82 PathProgramCache]: Analyzing trace with hash 307066949, now seen corresponding path program 1 times [2020-10-15 20:20:30,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:30,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322799494] [2020-10-15 20:20:30,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:30,302 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 20:20:30,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322799494] [2020-10-15 20:20:30,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:30,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:20:30,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598635190] [2020-10-15 20:20:30,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:20:30,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:30,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:20:30,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:20:30,306 INFO L87 Difference]: Start difference. First operand 427 states and 1148 transitions. Second operand 3 states. [2020-10-15 20:20:30,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:30,324 INFO L93 Difference]: Finished difference Result 530 states and 1370 transitions. [2020-10-15 20:20:30,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:20:30,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-15 20:20:30,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:30,329 INFO L225 Difference]: With dead ends: 530 [2020-10-15 20:20:30,329 INFO L226 Difference]: Without dead ends: 508 [2020-10-15 20:20:30,330 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 20:20:30,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2020-10-15 20:20:30,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 468. [2020-10-15 20:20:30,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2020-10-15 20:20:30,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 1250 transitions. [2020-10-15 20:20:30,378 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 1250 transitions. Word has length 8 [2020-10-15 20:20:30,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:30,379 INFO L481 AbstractCegarLoop]: Abstraction has 468 states and 1250 transitions. [2020-10-15 20:20:30,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:20:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1250 transitions. [2020-10-15 20:20:30,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-15 20:20:30,381 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:30,381 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:30,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 20:20:30,383 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 20:20:30,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:30,383 INFO L82 PathProgramCache]: Analyzing trace with hash -941555270, now seen corresponding path program 1 times [2020-10-15 20:20:30,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:30,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381478700] [2020-10-15 20:20:30,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:30,457 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 20:20:30,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381478700] [2020-10-15 20:20:30,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:30,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:20:30,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718360287] [2020-10-15 20:20:30,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:20:30,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:30,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:20:30,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:20:30,462 INFO L87 Difference]: Start difference. First operand 468 states and 1250 transitions. Second operand 3 states. [2020-10-15 20:20:30,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:30,484 INFO L93 Difference]: Finished difference Result 504 states and 1343 transitions. [2020-10-15 20:20:30,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:20:30,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-15 20:20:30,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:30,492 INFO L225 Difference]: With dead ends: 504 [2020-10-15 20:20:30,492 INFO L226 Difference]: Without dead ends: 504 [2020-10-15 20:20:30,492 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 20:20:30,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-15 20:20:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2020-10-15 20:20:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-15 20:20:30,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 1343 transitions. [2020-10-15 20:20:30,526 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 1343 transitions. Word has length 10 [2020-10-15 20:20:30,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:30,526 INFO L481 AbstractCegarLoop]: Abstraction has 504 states and 1343 transitions. [2020-10-15 20:20:30,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:20:30,526 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1343 transitions. [2020-10-15 20:20:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-15 20:20:30,532 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:30,536 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:30,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 20:20:30,537 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 20:20:30,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:30,537 INFO L82 PathProgramCache]: Analyzing trace with hash 184198130, now seen corresponding path program 1 times [2020-10-15 20:20:30,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:30,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408133920] [2020-10-15 20:20:30,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:30,625 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 20:20:30,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408133920] [2020-10-15 20:20:30,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949286286] [2020-10-15 20:20:30,627 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 20:20:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:30,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 20:20:30,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:20:30,777 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 20:20:30,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:20:30,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-10-15 20:20:30,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683494111] [2020-10-15 20:20:30,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:20:30,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:30,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:20:30,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:20:30,780 INFO L87 Difference]: Start difference. First operand 504 states and 1343 transitions. Second operand 7 states. [2020-10-15 20:20:30,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:30,886 INFO L93 Difference]: Finished difference Result 940 states and 2424 transitions. [2020-10-15 20:20:30,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 20:20:30,886 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2020-10-15 20:20:30,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:30,894 INFO L225 Difference]: With dead ends: 940 [2020-10-15 20:20:30,894 INFO L226 Difference]: Without dead ends: 940 [2020-10-15 20:20:30,895 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 20:20:30,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-10-15 20:20:30,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 688. [2020-10-15 20:20:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-15 20:20:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 1842 transitions. [2020-10-15 20:20:30,956 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 1842 transitions. Word has length 14 [2020-10-15 20:20:30,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:30,957 INFO L481 AbstractCegarLoop]: Abstraction has 688 states and 1842 transitions. [2020-10-15 20:20:30,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:20:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1842 transitions. [2020-10-15 20:20:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-15 20:20:30,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:30,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:20:31,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:31,180 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 20:20:31,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:31,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1859541019, now seen corresponding path program 1 times [2020-10-15 20:20:31,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:31,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164609384] [2020-10-15 20:20:31,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:31,263 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 20:20:31,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164609384] [2020-10-15 20:20:31,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:31,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 20:20:31,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947237456] [2020-10-15 20:20:31,264 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 20:20:31,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:31,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 20:20:31,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-15 20:20:31,265 INFO L87 Difference]: Start difference. First operand 688 states and 1842 transitions. Second operand 4 states. [2020-10-15 20:20:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:31,308 INFO L93 Difference]: Finished difference Result 343 states and 775 transitions. [2020-10-15 20:20:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 20:20:31,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-10-15 20:20:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:31,311 INFO L225 Difference]: With dead ends: 343 [2020-10-15 20:20:31,311 INFO L226 Difference]: Without dead ends: 339 [2020-10-15 20:20:31,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:20:31,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2020-10-15 20:20:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 313. [2020-10-15 20:20:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-15 20:20:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 700 transitions. [2020-10-15 20:20:31,321 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 700 transitions. Word has length 16 [2020-10-15 20:20:31,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:31,321 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 700 transitions. [2020-10-15 20:20:31,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 20:20:31,321 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 700 transitions. [2020-10-15 20:20:31,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-15 20:20:31,322 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:31,322 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 20:20:31,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 20:20:31,323 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 20:20:31,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:31,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1794318204, now seen corresponding path program 1 times [2020-10-15 20:20:31,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:31,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006243583] [2020-10-15 20:20:31,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:31,392 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 20:20:31,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006243583] [2020-10-15 20:20:31,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:31,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-15 20:20:31,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098089779] [2020-10-15 20:20:31,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:20:31,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:31,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:20:31,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:20:31,394 INFO L87 Difference]: Start difference. First operand 313 states and 700 transitions. Second operand 5 states. [2020-10-15 20:20:31,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:31,468 INFO L93 Difference]: Finished difference Result 473 states and 1056 transitions. [2020-10-15 20:20:31,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 20:20:31,468 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2020-10-15 20:20:31,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:31,471 INFO L225 Difference]: With dead ends: 473 [2020-10-15 20:20:31,472 INFO L226 Difference]: Without dead ends: 473 [2020-10-15 20:20:31,472 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 20:20:31,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-15 20:20:31,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 351. [2020-10-15 20:20:31,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-10-15 20:20:31,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 791 transitions. [2020-10-15 20:20:31,483 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 791 transitions. Word has length 17 [2020-10-15 20:20:31,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:31,484 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 791 transitions. [2020-10-15 20:20:31,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:20:31,484 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 791 transitions. [2020-10-15 20:20:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 20:20:31,485 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:31,485 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 20:20:31,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 20:20:31,486 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 20:20:31,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:31,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1963207549, now seen corresponding path program 1 times [2020-10-15 20:20:31,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:31,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617796546] [2020-10-15 20:20:31,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:31,770 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 20:20:31,771 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617796546] [2020-10-15 20:20:31,771 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:31,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 20:20:31,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215178126] [2020-10-15 20:20:31,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:20:31,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:31,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:20:31,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:20:31,773 INFO L87 Difference]: Start difference. First operand 351 states and 791 transitions. Second operand 9 states. [2020-10-15 20:20:32,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:32,176 INFO L93 Difference]: Finished difference Result 653 states and 1454 transitions. [2020-10-15 20:20:32,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 20:20:32,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-15 20:20:32,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:32,181 INFO L225 Difference]: With dead ends: 653 [2020-10-15 20:20:32,181 INFO L226 Difference]: Without dead ends: 653 [2020-10-15 20:20:32,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-15 20:20:32,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2020-10-15 20:20:32,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 484. [2020-10-15 20:20:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-15 20:20:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 1129 transitions. [2020-10-15 20:20:32,196 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 1129 transitions. Word has length 21 [2020-10-15 20:20:32,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:32,197 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 1129 transitions. [2020-10-15 20:20:32,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:20:32,197 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 1129 transitions. [2020-10-15 20:20:32,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-15 20:20:32,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:32,198 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 20:20:32,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 20:20:32,199 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 20:20:32,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:32,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1358260699, now seen corresponding path program 2 times [2020-10-15 20:20:32,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:32,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175050507] [2020-10-15 20:20:32,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:32,479 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 20:20:32,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175050507] [2020-10-15 20:20:32,480 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:20:32,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 20:20:32,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095796050] [2020-10-15 20:20:32,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:20:32,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:32,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:20:32,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:20:32,483 INFO L87 Difference]: Start difference. First operand 484 states and 1129 transitions. Second operand 9 states. [2020-10-15 20:20:32,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:32,864 INFO L93 Difference]: Finished difference Result 779 states and 1769 transitions. [2020-10-15 20:20:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 20:20:32,865 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2020-10-15 20:20:32,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:32,870 INFO L225 Difference]: With dead ends: 779 [2020-10-15 20:20:32,870 INFO L226 Difference]: Without dead ends: 779 [2020-10-15 20:20:32,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-15 20:20:32,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2020-10-15 20:20:32,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 470. [2020-10-15 20:20:32,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-10-15 20:20:32,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 1092 transitions. [2020-10-15 20:20:32,888 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 1092 transitions. Word has length 21 [2020-10-15 20:20:32,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:32,889 INFO L481 AbstractCegarLoop]: Abstraction has 470 states and 1092 transitions. [2020-10-15 20:20:32,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:20:32,889 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1092 transitions. [2020-10-15 20:20:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-15 20:20:32,890 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:32,891 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2020-10-15 20:20:32,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 20:20:32,891 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 20:20:32,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:32,892 INFO L82 PathProgramCache]: Analyzing trace with hash 920456844, now seen corresponding path program 2 times [2020-10-15 20:20:32,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:32,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036646154] [2020-10-15 20:20:32,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:20:33,001 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 20:20:33,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036646154] [2020-10-15 20:20:33,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55490141] [2020-10-15 20:20:33,002 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 20:20:33,083 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 20:20:33,083 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:20:33,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 20:20:33,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:20:33,124 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 20:20:33,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:20:33,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-10-15 20:20:33,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735344278] [2020-10-15 20:20:33,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:20:33,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:20:33,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:20:33,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:20:33,126 INFO L87 Difference]: Start difference. First operand 470 states and 1092 transitions. Second operand 9 states. [2020-10-15 20:20:33,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:20:33,221 INFO L93 Difference]: Finished difference Result 778 states and 1761 transitions. [2020-10-15 20:20:33,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:20:33,222 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-15 20:20:33,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:20:33,227 INFO L225 Difference]: With dead ends: 778 [2020-10-15 20:20:33,227 INFO L226 Difference]: Without dead ends: 778 [2020-10-15 20:20:33,227 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 20:20:33,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-10-15 20:20:33,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 560. [2020-10-15 20:20:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2020-10-15 20:20:33,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1291 transitions. [2020-10-15 20:20:33,244 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1291 transitions. Word has length 22 [2020-10-15 20:20:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:20:33,246 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 1291 transitions. [2020-10-15 20:20:33,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:20:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1291 transitions. [2020-10-15 20:20:33,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-10-15 20:20:33,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:20:33,248 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 20:20:33,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:20:33,462 INFO L429 AbstractCegarLoop]: === Iteration 10 === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t1Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:20:33,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:20:33,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1348112131, now seen corresponding path program 1 times [2020-10-15 20:20:33,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:20:33,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178312711] [2020-10-15 20:20:33,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:20:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:20:33,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:20:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:20:33,595 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:20:33,638 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 20:20:33,638 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 20:20:33,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 20:20:33,640 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 20:20:33,640 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 20:20:33,641 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-15 20:20:33,650 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [558] [558] L3-->L977-1: Formula: (and (not (= t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out718293116 0)) (= |~#arr~0.offset_In718293116| |t1Thread1of1ForFork0_push_#in~stack.offset_Out718293116|) (let ((.cse0 (mod t1Thread1of1ForFork0_~tmp~0_In718293116 4294967296))) (let ((.cse1 (<= .cse0 2147483647))) (or (and (= .cse0 |t1Thread1of1ForFork0_push_#in~x_Out718293116|) .cse1) (and (= |t1Thread1of1ForFork0_push_#in~x_Out718293116| (+ .cse0 (- 4294967296))) (not .cse1))))) (= |t1Thread1of1ForFork0_push_#in~stack.base_Out718293116| |~#arr~0.base_In718293116|) (= |t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In718293116| t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out718293116)) InVars {~#arr~0.offset=|~#arr~0.offset_In718293116|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In718293116, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In718293116|, ~#arr~0.base=|~#arr~0.base_In718293116|} OutVars{~#arr~0.offset=|~#arr~0.offset_In718293116|, t1Thread1of1ForFork0_push_#in~x=|t1Thread1of1ForFork0_push_#in~x_Out718293116|, t1Thread1of1ForFork0_assume_abort_if_not_~cond=t1Thread1of1ForFork0_assume_abort_if_not_~cond_Out718293116, t1Thread1of1ForFork0_push_#in~stack.base=|t1Thread1of1ForFork0_push_#in~stack.base_Out718293116|, t1Thread1of1ForFork0_~tmp~0=t1Thread1of1ForFork0_~tmp~0_In718293116, t1Thread1of1ForFork0_push_#res=|t1Thread1of1ForFork0_push_#res_Out718293116|, t1Thread1of1ForFork0_assume_abort_if_not_#in~cond=|t1Thread1of1ForFork0_assume_abort_if_not_#in~cond_In718293116|, t1Thread1of1ForFork0_push_#in~stack.offset=|t1Thread1of1ForFork0_push_#in~stack.offset_Out718293116|, ~#arr~0.base=|~#arr~0.base_In718293116|} AuxVars[] AssignedVars[t1Thread1of1ForFork0_push_#in~x, t1Thread1of1ForFork0_assume_abort_if_not_~cond, t1Thread1of1ForFork0_push_#in~stack.base, t1Thread1of1ForFork0_push_#res, t1Thread1of1ForFork0_push_#in~stack.offset] because there is no mapped edge [2020-10-15 20:20:33,658 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [559] [559] L977-2-->L980: Formula: (and (= ~flag~0_Out-2008557778 1) (<= |t1Thread1of1ForFork0_#t~ret44_In-2008557778| 2147483647) (<= 0 (+ |t1Thread1of1ForFork0_#t~ret44_In-2008557778| 2147483648)) (not (= (- 1) |t1Thread1of1ForFork0_#t~ret44_In-2008557778|))) InVars {t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_In-2008557778|} OutVars{t1Thread1of1ForFork0_#t~ret44=|t1Thread1of1ForFork0_#t~ret44_Out-2008557778|, ~flag~0=~flag~0_Out-2008557778} AuxVars[] AssignedVars[t1Thread1of1ForFork0_#t~ret44, ~flag~0] because there is no mapped edge [2020-10-15 20:20:33,663 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [570] [570] L992-4-->L987-6: Formula: (and (not (= (- 2) |t2Thread1of1ForFork1_#t~ret47_In-532368129|)) (= |#pthreadsMutex_Out-532368129| (store |#pthreadsMutex_In-532368129| |~#m~0.base_In-532368129| (store (select |#pthreadsMutex_In-532368129| |~#m~0.base_In-532368129|) |~#m~0.offset_In-532368129| 0))) (= (+ t2Thread1of1ForFork1_~i~1_In-532368129 1) t2Thread1of1ForFork1_~i~1_Out-532368129)) InVars {#pthreadsMutex=|#pthreadsMutex_In-532368129|, ~#m~0.base=|~#m~0.base_In-532368129|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_In-532368129|, ~#m~0.offset=|~#m~0.offset_In-532368129|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_In-532368129} OutVars{#pthreadsMutex=|#pthreadsMutex_Out-532368129|, t2Thread1of1ForFork1_#t~ret47=|t2Thread1of1ForFork1_#t~ret47_Out-532368129|, ~#m~0.base=|~#m~0.base_In-532368129|, ~#m~0.offset=|~#m~0.offset_In-532368129|, t2Thread1of1ForFork1_#t~post45=|t2Thread1of1ForFork1_#t~post45_Out-532368129|, t2Thread1of1ForFork1_~i~1=t2Thread1of1ForFork1_~i~1_Out-532368129} AuxVars[] AssignedVars[#pthreadsMutex, t2Thread1of1ForFork1_#t~ret47, t2Thread1of1ForFork1_#t~post45, t2Thread1of1ForFork1_~i~1] because there is no mapped edge [2020-10-15 20:20:33,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:20:33 BasicIcfg [2020-10-15 20:20:33,753 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 20:20:33,755 INFO L168 Benchmark]: Toolchain (without parser) took 10090.31 ms. Allocated memory was 253.8 MB in the beginning and 486.0 MB in the end (delta: 232.3 MB). Free memory was 208.1 MB in the beginning and 372.0 MB in the end (delta: -163.9 MB). Peak memory consumption was 68.4 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:33,760 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 20:20:33,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 889.97 ms. Allocated memory was 253.8 MB in the beginning and 319.8 MB in the end (delta: 66.1 MB). Free memory was 208.1 MB in the beginning and 247.8 MB in the end (delta: -39.6 MB). Peak memory consumption was 36.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:33,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.38 ms. Allocated memory is still 319.8 MB. Free memory was 247.8 MB in the beginning and 245.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:33,762 INFO L168 Benchmark]: Boogie Preprocessor took 35.27 ms. Allocated memory is still 319.8 MB. Free memory was 245.3 MB in the beginning and 242.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:33,765 INFO L168 Benchmark]: RCFGBuilder took 612.65 ms. Allocated memory is still 319.8 MB. Free memory was 242.8 MB in the beginning and 208.3 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:33,767 INFO L168 Benchmark]: TraceAbstraction took 8481.88 ms. Allocated memory was 319.8 MB in the beginning and 486.0 MB in the end (delta: 166.2 MB). Free memory was 208.3 MB in the beginning and 372.0 MB in the end (delta: -163.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:20:33,771 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 253.8 MB. Free memory is still 230.1 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 889.97 ms. Allocated memory was 253.8 MB in the beginning and 319.8 MB in the end (delta: 66.1 MB). Free memory was 208.1 MB in the beginning and 247.8 MB in the end (delta: -39.6 MB). Peak memory consumption was 36.5 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 63.38 ms. Allocated memory is still 319.8 MB. Free memory was 247.8 MB in the beginning and 245.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 35.27 ms. Allocated memory is still 319.8 MB. Free memory was 245.3 MB in the beginning and 242.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 612.65 ms. Allocated memory is still 319.8 MB. Free memory was 242.8 MB in the beginning and 208.3 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 8481.88 ms. Allocated memory was 319.8 MB in the beginning and 486.0 MB in the end (delta: 166.2 MB). Free memory was 208.3 MB in the beginning and 372.0 MB in the end (delta: -163.7 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4733 VarBasedMoverChecksPositive, 77 VarBasedMoverChecksNegative, 16 SemBasedMoverChecksPositive, 61 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 360 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 140 PlacesBefore, 40 PlacesAfterwards, 145 TransitionsBefore, 40 TransitionsAfterwards, 6532 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 5 ChoiceCompositions, 130 TotalNumberOfCompositions, 10616 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[(800)]; [L918] 0 pthread_mutex_t m; [L919] 0 _Bool flag=(0); [L1001] 0 pthread_t id1, id2; [L1003] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L970] 1 int i; [L971] 1 unsigned int tmp; [L972] 1 i=0 VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L972] COND TRUE 1 i<(800) [L975] 1 tmp = __VERIFIER_nondet_uint() [L942] COND FALSE 1 !(top==(800)) [L1004] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L986] 2 int i; [L987] 2 i=0 VAL [arr={5:0}, flag=0, m={9:0}, top=0] [L934] 1 return top; [L949] 1 stack[get_top()] = x [L926] 1 top++ [L952] 1 return 0; [L972] 1 i++ VAL [arr={5:0}, flag=1, m={9:0}, top=1] [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND FALSE 2 !(get_top()==0) [L930] 2 top-- [L934] 2 return top; VAL [arr={5:0}, flag=1, m={9:0}, top=0] [L964] EXPR 2 stack[get_top()] [L964] 2 return stack[get_top()]; [L987] COND TRUE 2 i<(800) [L990] COND TRUE 2 \read(flag) [L934] 2 return top; [L956] COND TRUE 2 get_top()==0 [L959] 2 return (-2); [L992] COND TRUE 2 !(pop(arr)!=(-2)) [L922] 2 __VERIFIER_error() VAL [arr={5:0}, flag=1, m={9:0}, top=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 134 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.0s, HoareTripleCheckerStatistics: 409 SDtfs, 524 SDslu, 939 SDs, 0 SdLazy, 507 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s 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, 9 MinimizatonAttempts, 1289 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 28716 SizeOfPredicates, 5 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 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...