/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 04:34:52,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 04:34:52,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 04:34:52,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 04:34:52,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 04:34:52,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 04:34:52,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 04:34:52,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 04:34:52,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 04:34:52,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 04:34:52,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 04:34:52,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 04:34:52,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 04:34:52,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 04:34:52,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 04:34:52,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 04:34:52,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 04:34:52,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 04:34:52,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 04:34:52,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 04:34:52,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 04:34:52,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 04:34:52,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 04:34:52,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 04:34:52,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 04:34:52,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 04:34:52,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 04:34:52,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 04:34:52,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 04:34:52,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 04:34:52,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 04:34:52,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 04:34:52,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 04:34:52,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 04:34:52,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 04:34:52,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 04:34:52,402 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 [2019-12-27 04:34:52,416 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 04:34:52,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 04:34:52,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 04:34:52,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 04:34:52,418 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 04:34:52,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 04:34:52,419 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 04:34:52,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 04:34:52,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 04:34:52,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 04:34:52,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 04:34:52,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 04:34:52,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 04:34:52,420 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 04:34:52,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 04:34:52,420 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 04:34:52,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 04:34:52,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 04:34:52,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 04:34:52,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 04:34:52,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 04:34:52,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 04:34:52,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 04:34:52,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 04:34:52,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 04:34:52,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 04:34:52,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 04:34:52,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 04:34:52,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 04:34:52,735 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 04:34:52,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 04:34:52,761 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 04:34:52,764 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 04:34:52,764 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 04:34:52,765 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2019-12-27 04:34:52,838 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75717f92/6d85570321764ada9c556b261c9e41f2/FLAG2e0a4e7aa [2019-12-27 04:34:53,416 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 04:34:53,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2019-12-27 04:34:53,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75717f92/6d85570321764ada9c556b261c9e41f2/FLAG2e0a4e7aa [2019-12-27 04:34:53,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75717f92/6d85570321764ada9c556b261c9e41f2 [2019-12-27 04:34:53,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 04:34:53,727 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 04:34:53,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 04:34:53,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 04:34:53,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 04:34:53,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:34:53" (1/1) ... [2019-12-27 04:34:53,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5393bdef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:53, skipping insertion in model container [2019-12-27 04:34:53,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:34:53" (1/1) ... [2019-12-27 04:34:53,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 04:34:53,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 04:34:54,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:34:54,242 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 04:34:54,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:34:54,396 INFO L208 MainTranslator]: Completed translation [2019-12-27 04:34:54,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54 WrapperNode [2019-12-27 04:34:54,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 04:34:54,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 04:34:54,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 04:34:54,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 04:34:54,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... [2019-12-27 04:34:54,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... [2019-12-27 04:34:54,450 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 04:34:54,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 04:34:54,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 04:34:54,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 04:34:54,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... [2019-12-27 04:34:54,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... [2019-12-27 04:34:54,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... [2019-12-27 04:34:54,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... [2019-12-27 04:34:54,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... [2019-12-27 04:34:54,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... [2019-12-27 04:34:54,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... [2019-12-27 04:34:54,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 04:34:54,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 04:34:54,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 04:34:54,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 04:34:54,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 04:34:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-12-27 04:34:54,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-12-27 04:34:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 04:34:54,545 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 04:34:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 04:34:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 04:34:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 04:34:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 04:34:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 04:34:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 04:34:54,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 04:34:54,548 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 04:34:54,923 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 04:34:54,924 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-27 04:34:54,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:34:54 BoogieIcfgContainer [2019-12-27 04:34:54,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 04:34:54,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 04:34:54,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 04:34:54,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 04:34:54,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 04:34:53" (1/3) ... [2019-12-27 04:34:54,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7f746d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:34:54, skipping insertion in model container [2019-12-27 04:34:54,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:34:54" (2/3) ... [2019-12-27 04:34:54,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7f746d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:34:54, skipping insertion in model container [2019-12-27 04:34:54,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:34:54" (3/3) ... [2019-12-27 04:34:54,934 INFO L109 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2019-12-27 04:34:54,944 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 04:34:54,945 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 04:34:54,952 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 04:34:54,953 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 04:34:54,995 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:54,995 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:54,995 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:54,996 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:54,996 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:54,997 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:54,997 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:54,997 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:54,999 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,000 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,000 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,000 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,001 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,001 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,001 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,002 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,003 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,003 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,003 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,004 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,005 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,005 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,007 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,007 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,014 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,015 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,015 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,015 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,016 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,016 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,016 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,016 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,032 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,033 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,033 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,033 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,033 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,034 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:55,046 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 04:34:55,064 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:34:55,065 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:34:55,065 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:34:55,065 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:34:55,065 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:34:55,065 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:34:55,066 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:34:55,066 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:34:55,080 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 66 transitions [2019-12-27 04:34:55,082 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 69 places, 66 transitions [2019-12-27 04:34:55,136 INFO L132 PetriNetUnfolder]: 4/76 cut-off events. [2019-12-27 04:34:55,136 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 04:34:55,143 INFO L76 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 76 events. 4/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs. 0/69 useless extension candidates. Maximal degree in co-relation 55. Up to 4 conditions per place. [2019-12-27 04:34:55,147 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 69 places, 66 transitions [2019-12-27 04:34:55,173 INFO L132 PetriNetUnfolder]: 4/76 cut-off events. [2019-12-27 04:34:55,173 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 04:34:55,175 INFO L76 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 76 events. 4/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs. 0/69 useless extension candidates. Maximal degree in co-relation 55. Up to 4 conditions per place. [2019-12-27 04:34:55,177 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 992 [2019-12-27 04:34:55,179 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 04:34:57,010 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-12-27 04:34:57,438 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2019-12-27 04:34:57,579 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-12-27 04:34:57,583 INFO L206 etLargeBlockEncoding]: Checked pairs total: 729 [2019-12-27 04:34:57,583 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2019-12-27 04:34:57,593 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 15 places, 12 transitions [2019-12-27 04:34:57,606 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2019-12-27 04:34:57,608 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-12-27 04:34:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-27 04:34:57,617 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:34:57,618 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-27 04:34:57,618 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:34:57,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:34:57,623 INFO L82 PathProgramCache]: Analyzing trace with hash 259287, now seen corresponding path program 1 times [2019-12-27 04:34:57,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:34:57,633 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536780923] [2019-12-27 04:34:57,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:34:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:34:57,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:34:57,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536780923] [2019-12-27 04:34:57,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:34:57,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:34:57,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564987977] [2019-12-27 04:34:57,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:34:57,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:34:57,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:34:57,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:34:57,872 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2019-12-27 04:34:57,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:34:57,907 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2019-12-27 04:34:57,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:34:57,910 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-27 04:34:57,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:34:57,935 INFO L225 Difference]: With dead ends: 35 [2019-12-27 04:34:57,938 INFO L226 Difference]: Without dead ends: 31 [2019-12-27 04:34:57,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:34:57,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-12-27 04:34:57,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2019-12-27 04:34:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2019-12-27 04:34:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2019-12-27 04:34:57,978 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2019-12-27 04:34:57,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:34:57,978 INFO L462 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2019-12-27 04:34:57,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:34:57,978 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2019-12-27 04:34:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 04:34:57,979 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:34:57,979 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:34:57,980 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:34:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:34:57,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1095237165, now seen corresponding path program 1 times [2019-12-27 04:34:57,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:34:57,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030629282] [2019-12-27 04:34:57,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:34:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:34:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:34:58,134 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030629282] [2019-12-27 04:34:58,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:34:58,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:34:58,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612175507] [2019-12-27 04:34:58,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 04:34:58,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:34:58,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 04:34:58,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 04:34:58,138 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2019-12-27 04:34:58,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:34:58,161 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2019-12-27 04:34:58,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 04:34:58,162 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 04:34:58,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:34:58,163 INFO L225 Difference]: With dead ends: 26 [2019-12-27 04:34:58,163 INFO L226 Difference]: Without dead ends: 24 [2019-12-27 04:34:58,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 04:34:58,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-12-27 04:34:58,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-12-27 04:34:58,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-27 04:34:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2019-12-27 04:34:58,169 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2019-12-27 04:34:58,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:34:58,169 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2019-12-27 04:34:58,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 04:34:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2019-12-27 04:34:58,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 04:34:58,170 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:34:58,170 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2019-12-27 04:34:58,171 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:34:58,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:34:58,171 INFO L82 PathProgramCache]: Analyzing trace with hash 407361282, now seen corresponding path program 1 times [2019-12-27 04:34:58,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:34:58,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161848829] [2019-12-27 04:34:58,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:34:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:34:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:34:58,239 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:34:58,240 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:34:58,240 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:34:58,240 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 04:34:58,249 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,250 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,250 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,250 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,250 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,250 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,251 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,251 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,251 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,251 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,251 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,252 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,252 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,252 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,252 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,252 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,253 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,253 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,253 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,253 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,253 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,254 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,254 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,254 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,254 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,254 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,255 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,255 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,255 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,255 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,256 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,256 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,256 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,257 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,257 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,258 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,258 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,259 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,259 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,259 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,260 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,260 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,260 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,261 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,261 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,261 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,261 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,261 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,261 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,263 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,263 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,263 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,264 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,264 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,264 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,264 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,264 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,266 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,266 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,266 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,267 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,267 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,267 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,268 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,268 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,268 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,269 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,269 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,270 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:34:58,281 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 04:34:58,282 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:34:58,282 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:34:58,282 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:34:58,282 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:34:58,282 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:34:58,283 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:34:58,283 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:34:58,283 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:34:58,285 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 90 transitions [2019-12-27 04:34:58,286 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 95 places, 90 transitions [2019-12-27 04:34:58,326 INFO L132 PetriNetUnfolder]: 6/105 cut-off events. [2019-12-27 04:34:58,326 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 04:34:58,329 INFO L76 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 105 events. 6/105 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 181 event pairs. 0/95 useless extension candidates. Maximal degree in co-relation 114. Up to 6 conditions per place. [2019-12-27 04:34:58,335 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 95 places, 90 transitions [2019-12-27 04:34:58,357 INFO L132 PetriNetUnfolder]: 6/105 cut-off events. [2019-12-27 04:34:58,357 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 04:34:58,359 INFO L76 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 105 events. 6/105 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 181 event pairs. 0/95 useless extension candidates. Maximal degree in co-relation 114. Up to 6 conditions per place. [2019-12-27 04:34:58,364 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2024 [2019-12-27 04:34:58,364 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 04:35:00,197 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-12-27 04:35:00,332 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-12-27 04:35:00,625 WARN L192 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2019-12-27 04:35:00,746 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-12-27 04:35:00,755 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2838 [2019-12-27 04:35:00,755 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2019-12-27 04:35:00,755 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 29 transitions [2019-12-27 04:35:00,789 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 755 states. [2019-12-27 04:35:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states. [2019-12-27 04:35:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-27 04:35:00,790 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:00,790 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-27 04:35:00,791 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:00,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:00,791 INFO L82 PathProgramCache]: Analyzing trace with hash 443582, now seen corresponding path program 1 times [2019-12-27 04:35:00,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:00,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999070776] [2019-12-27 04:35:00,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:00,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999070776] [2019-12-27 04:35:00,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:00,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:35:00,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727801446] [2019-12-27 04:35:00,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:35:00,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:00,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:35:00,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:00,844 INFO L87 Difference]: Start difference. First operand 755 states. Second operand 3 states. [2019-12-27 04:35:00,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:00,920 INFO L93 Difference]: Finished difference Result 893 states and 2840 transitions. [2019-12-27 04:35:00,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:35:00,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-27 04:35:00,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:00,946 INFO L225 Difference]: With dead ends: 893 [2019-12-27 04:35:00,946 INFO L226 Difference]: Without dead ends: 825 [2019-12-27 04:35:00,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:00,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2019-12-27 04:35:01,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 728. [2019-12-27 04:35:01,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2019-12-27 04:35:01,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 2380 transitions. [2019-12-27 04:35:01,042 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 2380 transitions. Word has length 3 [2019-12-27 04:35:01,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:01,042 INFO L462 AbstractCegarLoop]: Abstraction has 728 states and 2380 transitions. [2019-12-27 04:35:01,042 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:35:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 2380 transitions. [2019-12-27 04:35:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:35:01,043 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:01,043 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:01,044 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:01,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:01,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1277587267, now seen corresponding path program 1 times [2019-12-27 04:35:01,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:01,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071427669] [2019-12-27 04:35:01,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:01,119 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071427669] [2019-12-27 04:35:01,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:01,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:01,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13766359] [2019-12-27 04:35:01,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:35:01,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:01,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:35:01,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:35:01,120 INFO L87 Difference]: Start difference. First operand 728 states and 2380 transitions. Second operand 5 states. [2019-12-27 04:35:01,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:01,245 INFO L93 Difference]: Finished difference Result 1107 states and 3359 transitions. [2019-12-27 04:35:01,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:35:01,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-12-27 04:35:01,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:01,254 INFO L225 Difference]: With dead ends: 1107 [2019-12-27 04:35:01,255 INFO L226 Difference]: Without dead ends: 1092 [2019-12-27 04:35:01,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:01,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-12-27 04:35:01,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 655. [2019-12-27 04:35:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2019-12-27 04:35:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 2145 transitions. [2019-12-27 04:35:01,291 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 2145 transitions. Word has length 10 [2019-12-27 04:35:01,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:01,293 INFO L462 AbstractCegarLoop]: Abstraction has 655 states and 2145 transitions. [2019-12-27 04:35:01,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:35:01,293 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 2145 transitions. [2019-12-27 04:35:01,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 04:35:01,294 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:01,295 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:01,295 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:01,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:01,295 INFO L82 PathProgramCache]: Analyzing trace with hash 230062385, now seen corresponding path program 1 times [2019-12-27 04:35:01,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:01,296 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968585926] [2019-12-27 04:35:01,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 04:35:01,387 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968585926] [2019-12-27 04:35:01,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:01,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:01,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683895182] [2019-12-27 04:35:01,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:35:01,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:01,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:35:01,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:35:01,389 INFO L87 Difference]: Start difference. First operand 655 states and 2145 transitions. Second operand 5 states. [2019-12-27 04:35:01,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:01,510 INFO L93 Difference]: Finished difference Result 1068 states and 3229 transitions. [2019-12-27 04:35:01,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:35:01,510 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 04:35:01,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:01,518 INFO L225 Difference]: With dead ends: 1068 [2019-12-27 04:35:01,518 INFO L226 Difference]: Without dead ends: 1046 [2019-12-27 04:35:01,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:01,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2019-12-27 04:35:01,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 630. [2019-12-27 04:35:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2019-12-27 04:35:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 2011 transitions. [2019-12-27 04:35:01,545 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 2011 transitions. Word has length 14 [2019-12-27 04:35:01,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:01,546 INFO L462 AbstractCegarLoop]: Abstraction has 630 states and 2011 transitions. [2019-12-27 04:35:01,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:35:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 2011 transitions. [2019-12-27 04:35:01,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 04:35:01,548 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:01,548 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:01,548 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:01,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:01,548 INFO L82 PathProgramCache]: Analyzing trace with hash 226307167, now seen corresponding path program 1 times [2019-12-27 04:35:01,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:01,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803864522] [2019-12-27 04:35:01,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:35:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:35:01,590 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:35:01,590 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:35:01,590 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:35:01,591 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 04:35:01,605 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,606 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,606 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,606 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,606 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,606 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,607 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,607 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,609 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,609 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,609 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,610 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,611 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,611 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,611 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,611 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,611 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,611 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,611 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,611 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,611 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,612 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,612 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,612 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,612 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,612 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,612 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,612 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,612 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,612 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,613 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,613 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,613 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,614 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,614 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,614 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,614 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,614 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,614 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,615 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,615 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,615 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,615 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,615 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,615 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,616 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,616 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,616 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,616 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,616 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,616 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,617 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,617 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,617 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,617 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,617 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,617 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,618 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,618 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,618 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,618 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,618 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,619 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,619 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,619 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,619 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,619 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,619 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,620 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,620 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,625 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,625 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,626 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,626 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,626 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,626 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,626 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,626 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,628 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,628 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,628 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,628 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,628 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,629 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,629 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,629 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,630 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,630 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,630 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,631 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,631 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,631 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,634 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,635 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,635 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,635 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,635 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,636 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,637 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,637 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,637 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,637 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,637 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,637 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:01,638 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 04:35:01,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:35:01,638 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:35:01,638 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:35:01,639 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:35:01,639 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:35:01,639 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:35:01,639 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:35:01,639 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:35:01,641 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 121 places, 114 transitions [2019-12-27 04:35:01,641 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 121 places, 114 transitions [2019-12-27 04:35:01,668 INFO L132 PetriNetUnfolder]: 8/134 cut-off events. [2019-12-27 04:35:01,668 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 04:35:01,671 INFO L76 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 134 events. 8/134 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 275 event pairs. 0/121 useless extension candidates. Maximal degree in co-relation 148. Up to 8 conditions per place. [2019-12-27 04:35:01,678 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 121 places, 114 transitions [2019-12-27 04:35:01,701 INFO L132 PetriNetUnfolder]: 8/134 cut-off events. [2019-12-27 04:35:01,701 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 04:35:01,704 INFO L76 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 134 events. 8/134 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 275 event pairs. 0/121 useless extension candidates. Maximal degree in co-relation 148. Up to 8 conditions per place. [2019-12-27 04:35:01,710 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3420 [2019-12-27 04:35:01,710 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 04:35:03,844 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 84 [2019-12-27 04:35:03,958 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-12-27 04:35:04,112 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-12-27 04:35:04,223 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-12-27 04:35:04,233 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6734 [2019-12-27 04:35:04,233 INFO L214 etLargeBlockEncoding]: Total number of compositions: 89 [2019-12-27 04:35:04,234 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 40 transitions [2019-12-27 04:35:04,612 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5273 states. [2019-12-27 04:35:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 5273 states. [2019-12-27 04:35:04,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-27 04:35:04,613 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:04,613 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-27 04:35:04,613 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:04,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:04,614 INFO L82 PathProgramCache]: Analyzing trace with hash 672286, now seen corresponding path program 1 times [2019-12-27 04:35:04,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:04,614 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602829702] [2019-12-27 04:35:04,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:04,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602829702] [2019-12-27 04:35:04,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:04,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:35:04,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316879422] [2019-12-27 04:35:04,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:35:04,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:04,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:35:04,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:04,641 INFO L87 Difference]: Start difference. First operand 5273 states. Second operand 3 states. [2019-12-27 04:35:04,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:04,762 INFO L93 Difference]: Finished difference Result 7407 states and 31211 transitions. [2019-12-27 04:35:04,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:35:04,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-27 04:35:04,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:04,830 INFO L225 Difference]: With dead ends: 7407 [2019-12-27 04:35:04,830 INFO L226 Difference]: Without dead ends: 6859 [2019-12-27 04:35:04,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:04,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6859 states. [2019-12-27 04:35:05,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6859 to 5755. [2019-12-27 04:35:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5755 states. [2019-12-27 04:35:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5755 states to 5755 states and 24922 transitions. [2019-12-27 04:35:05,182 INFO L78 Accepts]: Start accepts. Automaton has 5755 states and 24922 transitions. Word has length 3 [2019-12-27 04:35:05,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:05,182 INFO L462 AbstractCegarLoop]: Abstraction has 5755 states and 24922 transitions. [2019-12-27 04:35:05,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:35:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5755 states and 24922 transitions. [2019-12-27 04:35:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:35:05,183 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:05,183 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:05,183 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:05,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:05,184 INFO L82 PathProgramCache]: Analyzing trace with hash -2052268641, now seen corresponding path program 1 times [2019-12-27 04:35:05,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:05,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249050428] [2019-12-27 04:35:05,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:05,257 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249050428] [2019-12-27 04:35:05,257 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:05,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:05,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628773791] [2019-12-27 04:35:05,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:35:05,258 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:05,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:35:05,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:35:05,259 INFO L87 Difference]: Start difference. First operand 5755 states and 24922 transitions. Second operand 5 states. [2019-12-27 04:35:05,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:05,477 INFO L93 Difference]: Finished difference Result 10309 states and 41465 transitions. [2019-12-27 04:35:05,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:35:05,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-12-27 04:35:05,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:05,561 INFO L225 Difference]: With dead ends: 10309 [2019-12-27 04:35:05,561 INFO L226 Difference]: Without dead ends: 10246 [2019-12-27 04:35:05,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:05,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10246 states. [2019-12-27 04:35:05,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10246 to 5479. [2019-12-27 04:35:05,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5479 states. [2019-12-27 04:35:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5479 states and 23676 transitions. [2019-12-27 04:35:06,542 INFO L78 Accepts]: Start accepts. Automaton has 5479 states and 23676 transitions. Word has length 10 [2019-12-27 04:35:06,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:06,543 INFO L462 AbstractCegarLoop]: Abstraction has 5479 states and 23676 transitions. [2019-12-27 04:35:06,543 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:35:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 5479 states and 23676 transitions. [2019-12-27 04:35:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 04:35:06,544 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:06,544 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:06,545 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:06,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:06,545 INFO L82 PathProgramCache]: Analyzing trace with hash 1690988075, now seen corresponding path program 1 times [2019-12-27 04:35:06,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:06,546 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339671441] [2019-12-27 04:35:06,546 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 04:35:06,599 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339671441] [2019-12-27 04:35:06,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:06,599 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:06,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291504884] [2019-12-27 04:35:06,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:35:06,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:06,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:35:06,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:35:06,601 INFO L87 Difference]: Start difference. First operand 5479 states and 23676 transitions. Second operand 5 states. [2019-12-27 04:35:06,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:06,824 INFO L93 Difference]: Finished difference Result 11134 states and 45075 transitions. [2019-12-27 04:35:06,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:35:06,824 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 04:35:06,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:06,879 INFO L225 Difference]: With dead ends: 11134 [2019-12-27 04:35:06,880 INFO L226 Difference]: Without dead ends: 11059 [2019-12-27 04:35:06,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:06,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11059 states. [2019-12-27 04:35:07,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11059 to 5882. [2019-12-27 04:35:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5882 states. [2019-12-27 04:35:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5882 states to 5882 states and 25395 transitions. [2019-12-27 04:35:07,181 INFO L78 Accepts]: Start accepts. Automaton has 5882 states and 25395 transitions. Word has length 14 [2019-12-27 04:35:07,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:07,182 INFO L462 AbstractCegarLoop]: Abstraction has 5882 states and 25395 transitions. [2019-12-27 04:35:07,182 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:35:07,182 INFO L276 IsEmpty]: Start isEmpty. Operand 5882 states and 25395 transitions. [2019-12-27 04:35:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 04:35:07,184 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:07,184 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:07,184 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:07,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:07,185 INFO L82 PathProgramCache]: Analyzing trace with hash -645314245, now seen corresponding path program 1 times [2019-12-27 04:35:07,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:07,185 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289264612] [2019-12-27 04:35:07,185 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:07,212 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289264612] [2019-12-27 04:35:07,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:07,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:07,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449054952] [2019-12-27 04:35:07,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:35:07,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:07,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:35:07,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:07,213 INFO L87 Difference]: Start difference. First operand 5882 states and 25395 transitions. Second operand 3 states. [2019-12-27 04:35:07,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:07,248 INFO L93 Difference]: Finished difference Result 2983 states and 10319 transitions. [2019-12-27 04:35:07,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:35:07,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-27 04:35:07,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:07,261 INFO L225 Difference]: With dead ends: 2983 [2019-12-27 04:35:07,261 INFO L226 Difference]: Without dead ends: 2983 [2019-12-27 04:35:07,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:07,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2019-12-27 04:35:07,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2959. [2019-12-27 04:35:07,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2959 states. [2019-12-27 04:35:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 2959 states and 10243 transitions. [2019-12-27 04:35:07,431 INFO L78 Accepts]: Start accepts. Automaton has 2959 states and 10243 transitions. Word has length 17 [2019-12-27 04:35:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:07,431 INFO L462 AbstractCegarLoop]: Abstraction has 2959 states and 10243 transitions. [2019-12-27 04:35:07,431 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:35:07,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2959 states and 10243 transitions. [2019-12-27 04:35:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 04:35:07,433 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:07,433 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:07,433 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:07,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:07,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1331292250, now seen corresponding path program 1 times [2019-12-27 04:35:07,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:07,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464431611] [2019-12-27 04:35:07,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:07,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:07,523 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464431611] [2019-12-27 04:35:07,523 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623181660] [2019-12-27 04:35:07,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:35:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:07,604 INFO L264 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-27 04:35:07,606 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 04:35:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:07,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 04:35:07,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2019-12-27 04:35:07,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584912820] [2019-12-27 04:35:07,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-27 04:35:07,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:07,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-27 04:35:07,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-27 04:35:07,687 INFO L87 Difference]: Start difference. First operand 2959 states and 10243 transitions. Second operand 12 states. [2019-12-27 04:35:08,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:08,092 INFO L93 Difference]: Finished difference Result 6079 states and 20204 transitions. [2019-12-27 04:35:08,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-27 04:35:08,092 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2019-12-27 04:35:08,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:08,113 INFO L225 Difference]: With dead ends: 6079 [2019-12-27 04:35:08,114 INFO L226 Difference]: Without dead ends: 6043 [2019-12-27 04:35:08,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2019-12-27 04:35:08,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6043 states. [2019-12-27 04:35:08,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6043 to 2725. [2019-12-27 04:35:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2725 states. [2019-12-27 04:35:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 9384 transitions. [2019-12-27 04:35:08,229 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 9384 transitions. Word has length 18 [2019-12-27 04:35:08,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:08,230 INFO L462 AbstractCegarLoop]: Abstraction has 2725 states and 9384 transitions. [2019-12-27 04:35:08,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-27 04:35:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 9384 transitions. [2019-12-27 04:35:08,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 04:35:08,232 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:08,232 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:08,433 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:35:08,433 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:08,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:08,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1022908716, now seen corresponding path program 1 times [2019-12-27 04:35:08,434 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:08,434 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117685720] [2019-12-27 04:35:08,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-27 04:35:08,514 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117685720] [2019-12-27 04:35:08,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:08,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:08,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634141616] [2019-12-27 04:35:08,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:35:08,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:08,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:35:08,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:35:08,515 INFO L87 Difference]: Start difference. First operand 2725 states and 9384 transitions. Second operand 5 states. [2019-12-27 04:35:08,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:08,658 INFO L93 Difference]: Finished difference Result 5203 states and 17665 transitions. [2019-12-27 04:35:08,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:35:08,658 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-12-27 04:35:08,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:08,677 INFO L225 Difference]: With dead ends: 5203 [2019-12-27 04:35:08,677 INFO L226 Difference]: Without dead ends: 5167 [2019-12-27 04:35:08,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:08,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5167 states. [2019-12-27 04:35:08,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5167 to 2953. [2019-12-27 04:35:08,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2953 states. [2019-12-27 04:35:08,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 10213 transitions. [2019-12-27 04:35:08,832 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 10213 transitions. Word has length 18 [2019-12-27 04:35:08,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:08,833 INFO L462 AbstractCegarLoop]: Abstraction has 2953 states and 10213 transitions. [2019-12-27 04:35:08,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:35:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 10213 transitions. [2019-12-27 04:35:08,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 04:35:08,835 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:08,835 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:08,835 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:35:08,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:08,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1017797005, now seen corresponding path program 1 times [2019-12-27 04:35:08,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:08,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577420581] [2019-12-27 04:35:08,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:35:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:35:08,864 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:35:08,864 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:35:08,864 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:35:08,864 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 04:35:08,877 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,877 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,877 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,877 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,877 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,878 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,878 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,878 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,878 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,878 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,878 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,878 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,879 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,879 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,879 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,879 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,879 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,880 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,880 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,880 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,880 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,880 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,880 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,880 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,880 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,881 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,881 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,881 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,881 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,881 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,881 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,882 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,882 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,882 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,882 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,882 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,882 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,882 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,882 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,883 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,883 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,883 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,883 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,883 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,883 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,884 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,884 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,884 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,884 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,884 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,884 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,884 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,884 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,885 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,885 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,885 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,885 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,885 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,885 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,886 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,886 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,886 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,886 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,886 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,886 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,887 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,887 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,887 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,887 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,887 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,887 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,887 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,888 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,888 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,888 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,888 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,888 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,888 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,888 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,889 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,889 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,889 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,889 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,889 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,890 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,890 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,890 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,890 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,890 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,890 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,890 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,891 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,891 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,891 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,891 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,891 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,892 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,892 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,892 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,892 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,892 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,892 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,893 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,893 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,894 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,894 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,894 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,895 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,895 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,895 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,895 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,895 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,897 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,897 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,897 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,897 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,898 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,898 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,898 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,898 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,899 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,900 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,900 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,900 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,900 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,900 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,901 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,901 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,903 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,905 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,905 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,905 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,905 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,906 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,906 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,907 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,907 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,908 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,909 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,909 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,909 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,909 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,909 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,910 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:08,911 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 04:35:08,911 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:35:08,911 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:35:08,911 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:35:08,912 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:35:08,912 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:35:08,912 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:35:08,912 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:35:08,912 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:35:08,913 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 138 transitions [2019-12-27 04:35:08,914 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 147 places, 138 transitions [2019-12-27 04:35:08,941 INFO L132 PetriNetUnfolder]: 10/163 cut-off events. [2019-12-27 04:35:08,941 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 04:35:08,945 INFO L76 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 163 events. 10/163 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 344 event pairs. 0/147 useless extension candidates. Maximal degree in co-relation 183. Up to 10 conditions per place. [2019-12-27 04:35:08,954 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 147 places, 138 transitions [2019-12-27 04:35:08,978 INFO L132 PetriNetUnfolder]: 10/163 cut-off events. [2019-12-27 04:35:08,978 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 04:35:08,981 INFO L76 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 163 events. 10/163 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 344 event pairs. 0/147 useless extension candidates. Maximal degree in co-relation 183. Up to 10 conditions per place. [2019-12-27 04:35:08,990 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5180 [2019-12-27 04:35:08,991 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 04:35:12,014 WARN L192 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2019-12-27 04:35:12,152 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-12-27 04:35:12,172 INFO L206 etLargeBlockEncoding]: Checked pairs total: 10723 [2019-12-27 04:35:12,173 INFO L214 etLargeBlockEncoding]: Total number of compositions: 110 [2019-12-27 04:35:12,173 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 49 transitions [2019-12-27 04:35:14,206 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 27215 states. [2019-12-27 04:35:14,207 INFO L276 IsEmpty]: Start isEmpty. Operand 27215 states. [2019-12-27 04:35:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-27 04:35:14,207 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:14,207 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-27 04:35:14,207 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:14,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:14,208 INFO L82 PathProgramCache]: Analyzing trace with hash 946624, now seen corresponding path program 1 times [2019-12-27 04:35:14,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:14,208 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716779500] [2019-12-27 04:35:14,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:14,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:14,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716779500] [2019-12-27 04:35:14,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:14,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:35:14,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978875192] [2019-12-27 04:35:14,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:35:14,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:14,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:35:14,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:14,244 INFO L87 Difference]: Start difference. First operand 27215 states. Second operand 3 states. [2019-12-27 04:35:14,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:14,537 INFO L93 Difference]: Finished difference Result 40707 states and 212933 transitions. [2019-12-27 04:35:14,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:35:14,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-27 04:35:14,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:14,691 INFO L225 Difference]: With dead ends: 40707 [2019-12-27 04:35:14,691 INFO L226 Difference]: Without dead ends: 37840 [2019-12-27 04:35:14,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:16,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37840 states. [2019-12-27 04:35:17,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37840 to 31312. [2019-12-27 04:35:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31312 states. [2019-12-27 04:35:17,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31312 states to 31312 states and 167892 transitions. [2019-12-27 04:35:17,464 INFO L78 Accepts]: Start accepts. Automaton has 31312 states and 167892 transitions. Word has length 3 [2019-12-27 04:35:17,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:17,464 INFO L462 AbstractCegarLoop]: Abstraction has 31312 states and 167892 transitions. [2019-12-27 04:35:17,464 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:35:17,464 INFO L276 IsEmpty]: Start isEmpty. Operand 31312 states and 167892 transitions. [2019-12-27 04:35:17,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:35:17,465 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:17,466 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:17,466 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:17,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:17,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1611095704, now seen corresponding path program 1 times [2019-12-27 04:35:17,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:17,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004624149] [2019-12-27 04:35:17,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:17,505 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004624149] [2019-12-27 04:35:17,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:17,505 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:17,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824503581] [2019-12-27 04:35:17,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:35:17,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:17,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:35:17,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:35:17,507 INFO L87 Difference]: Start difference. First operand 31312 states and 167892 transitions. Second operand 5 states. [2019-12-27 04:35:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:17,987 INFO L93 Difference]: Finished difference Result 61552 states and 310872 transitions. [2019-12-27 04:35:17,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:35:17,987 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-12-27 04:35:17,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:20,682 INFO L225 Difference]: With dead ends: 61552 [2019-12-27 04:35:20,682 INFO L226 Difference]: Without dead ends: 61417 [2019-12-27 04:35:20,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:20,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61417 states. [2019-12-27 04:35:22,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61417 to 31849. [2019-12-27 04:35:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31849 states. [2019-12-27 04:35:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31849 states to 31849 states and 171175 transitions. [2019-12-27 04:35:22,279 INFO L78 Accepts]: Start accepts. Automaton has 31849 states and 171175 transitions. Word has length 10 [2019-12-27 04:35:22,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:22,279 INFO L462 AbstractCegarLoop]: Abstraction has 31849 states and 171175 transitions. [2019-12-27 04:35:22,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:35:22,279 INFO L276 IsEmpty]: Start isEmpty. Operand 31849 states and 171175 transitions. [2019-12-27 04:35:22,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 04:35:22,280 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:22,280 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:22,280 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:22,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:22,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1422265713, now seen corresponding path program 1 times [2019-12-27 04:35:22,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:22,281 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978135475] [2019-12-27 04:35:22,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 04:35:22,329 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978135475] [2019-12-27 04:35:22,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:22,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:22,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397491596] [2019-12-27 04:35:22,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:35:22,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:22,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:35:22,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:35:22,330 INFO L87 Difference]: Start difference. First operand 31849 states and 171175 transitions. Second operand 5 states. [2019-12-27 04:35:23,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:23,357 INFO L93 Difference]: Finished difference Result 68818 states and 349292 transitions. [2019-12-27 04:35:23,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:35:23,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 04:35:23,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:23,604 INFO L225 Difference]: With dead ends: 68818 [2019-12-27 04:35:23,604 INFO L226 Difference]: Without dead ends: 68623 [2019-12-27 04:35:23,605 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:23,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68623 states. [2019-12-27 04:35:25,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68623 to 35815. [2019-12-27 04:35:25,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35815 states. [2019-12-27 04:35:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35815 states to 35815 states and 193241 transitions. [2019-12-27 04:35:28,539 INFO L78 Accepts]: Start accepts. Automaton has 35815 states and 193241 transitions. Word has length 14 [2019-12-27 04:35:28,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:28,540 INFO L462 AbstractCegarLoop]: Abstraction has 35815 states and 193241 transitions. [2019-12-27 04:35:28,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:35:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 35815 states and 193241 transitions. [2019-12-27 04:35:28,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-27 04:35:28,542 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:28,542 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:28,542 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:28,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:28,543 INFO L82 PathProgramCache]: Analyzing trace with hash 4042225, now seen corresponding path program 1 times [2019-12-27 04:35:28,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:28,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968033890] [2019-12-27 04:35:28,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:28,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:28,574 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968033890] [2019-12-27 04:35:28,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:28,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:28,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553234073] [2019-12-27 04:35:28,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:35:28,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:28,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:35:28,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:28,576 INFO L87 Difference]: Start difference. First operand 35815 states and 193241 transitions. Second operand 3 states. [2019-12-27 04:35:28,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:28,678 INFO L93 Difference]: Finished difference Result 11815 states and 46339 transitions. [2019-12-27 04:35:28,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:35:28,678 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-12-27 04:35:28,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:28,719 INFO L225 Difference]: With dead ends: 11815 [2019-12-27 04:35:28,719 INFO L226 Difference]: Without dead ends: 11815 [2019-12-27 04:35:28,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:35:28,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11815 states. [2019-12-27 04:35:28,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11815 to 11727. [2019-12-27 04:35:28,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11727 states. [2019-12-27 04:35:29,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11727 states to 11727 states and 46027 transitions. [2019-12-27 04:35:29,035 INFO L78 Accepts]: Start accepts. Automaton has 11727 states and 46027 transitions. Word has length 17 [2019-12-27 04:35:29,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:29,035 INFO L462 AbstractCegarLoop]: Abstraction has 11727 states and 46027 transitions. [2019-12-27 04:35:29,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:35:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 11727 states and 46027 transitions. [2019-12-27 04:35:29,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 04:35:29,037 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:29,037 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:29,037 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:29,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:29,037 INFO L82 PathProgramCache]: Analyzing trace with hash 443360276, now seen corresponding path program 1 times [2019-12-27 04:35:29,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:29,038 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744300576] [2019-12-27 04:35:29,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:29,106 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744300576] [2019-12-27 04:35:29,106 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994037708] [2019-12-27 04:35:29,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2019-12-27 04:35:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:29,188 INFO L264 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-27 04:35:29,190 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 04:35:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:35:29,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 04:35:29,257 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2019-12-27 04:35:29,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140797610] [2019-12-27 04:35:29,257 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-27 04:35:29,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:29,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-27 04:35:29,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-27 04:35:29,259 INFO L87 Difference]: Start difference. First operand 11727 states and 46027 transitions. Second operand 12 states. [2019-12-27 04:35:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:29,782 INFO L93 Difference]: Finished difference Result 28530 states and 109464 transitions. [2019-12-27 04:35:29,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-27 04:35:29,783 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 18 [2019-12-27 04:35:29,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:29,852 INFO L225 Difference]: With dead ends: 28530 [2019-12-27 04:35:29,852 INFO L226 Difference]: Without dead ends: 28458 [2019-12-27 04:35:29,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2019-12-27 04:35:29,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28458 states. [2019-12-27 04:35:30,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28458 to 11001. [2019-12-27 04:35:30,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11001 states. [2019-12-27 04:35:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11001 states to 11001 states and 43045 transitions. [2019-12-27 04:35:30,444 INFO L78 Accepts]: Start accepts. Automaton has 11001 states and 43045 transitions. Word has length 18 [2019-12-27 04:35:30,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:30,445 INFO L462 AbstractCegarLoop]: Abstraction has 11001 states and 43045 transitions. [2019-12-27 04:35:30,445 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-27 04:35:30,445 INFO L276 IsEmpty]: Start isEmpty. Operand 11001 states and 43045 transitions. [2019-12-27 04:35:30,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 04:35:30,446 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:30,446 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:30,649 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:35:30,650 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:30,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:30,651 INFO L82 PathProgramCache]: Analyzing trace with hash 945001287, now seen corresponding path program 1 times [2019-12-27 04:35:30,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:30,652 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408392017] [2019-12-27 04:35:30,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:30,746 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 04:35:30,746 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408392017] [2019-12-27 04:35:30,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:30,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 04:35:30,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315802218] [2019-12-27 04:35:30,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 04:35:30,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:30,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 04:35:30,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:30,748 INFO L87 Difference]: Start difference. First operand 11001 states and 43045 transitions. Second operand 7 states. [2019-12-27 04:35:31,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:31,189 INFO L93 Difference]: Finished difference Result 28862 states and 110813 transitions. [2019-12-27 04:35:31,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-27 04:35:31,190 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2019-12-27 04:35:31,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:31,256 INFO L225 Difference]: With dead ends: 28862 [2019-12-27 04:35:31,256 INFO L226 Difference]: Without dead ends: 28784 [2019-12-27 04:35:31,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2019-12-27 04:35:31,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28784 states. [2019-12-27 04:35:31,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28784 to 9913. [2019-12-27 04:35:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9913 states. [2019-12-27 04:35:31,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9913 states to 9913 states and 38486 transitions. [2019-12-27 04:35:31,576 INFO L78 Accepts]: Start accepts. Automaton has 9913 states and 38486 transitions. Word has length 18 [2019-12-27 04:35:31,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:31,576 INFO L462 AbstractCegarLoop]: Abstraction has 9913 states and 38486 transitions. [2019-12-27 04:35:31,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 04:35:31,576 INFO L276 IsEmpty]: Start isEmpty. Operand 9913 states and 38486 transitions. [2019-12-27 04:35:31,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 04:35:31,577 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:31,577 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:31,577 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:31,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:31,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1251122520, now seen corresponding path program 1 times [2019-12-27 04:35:31,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:31,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542955395] [2019-12-27 04:35:31,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-27 04:35:31,656 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542955395] [2019-12-27 04:35:31,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:31,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:31,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687258088] [2019-12-27 04:35:31,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:35:31,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:31,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:35:31,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:35:31,658 INFO L87 Difference]: Start difference. First operand 9913 states and 38486 transitions. Second operand 5 states. [2019-12-27 04:35:32,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:32,041 INFO L93 Difference]: Finished difference Result 21922 states and 84447 transitions. [2019-12-27 04:35:32,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:35:32,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-12-27 04:35:32,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:32,095 INFO L225 Difference]: With dead ends: 21922 [2019-12-27 04:35:32,095 INFO L226 Difference]: Without dead ends: 21850 [2019-12-27 04:35:32,095 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:32,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21850 states. [2019-12-27 04:35:32,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21850 to 11607. [2019-12-27 04:35:32,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11607 states. [2019-12-27 04:35:32,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11607 states to 11607 states and 45534 transitions. [2019-12-27 04:35:32,368 INFO L78 Accepts]: Start accepts. Automaton has 11607 states and 45534 transitions. Word has length 18 [2019-12-27 04:35:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:32,368 INFO L462 AbstractCegarLoop]: Abstraction has 11607 states and 45534 transitions. [2019-12-27 04:35:32,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:35:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 11607 states and 45534 transitions. [2019-12-27 04:35:32,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 04:35:32,372 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:32,372 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:32,372 INFO L410 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:32,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:32,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1715192443, now seen corresponding path program 1 times [2019-12-27 04:35:32,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:32,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470843946] [2019-12-27 04:35:32,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-27 04:35:32,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470843946] [2019-12-27 04:35:32,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104559452] [2019-12-27 04:35:32,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:35:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:32,549 INFO L264 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-27 04:35:32,551 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 04:35:32,638 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-27 04:35:32,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 04:35:32,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2019-12-27 04:35:32,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864493959] [2019-12-27 04:35:32,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-27 04:35:32,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:32,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-27 04:35:32,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-27 04:35:32,641 INFO L87 Difference]: Start difference. First operand 11607 states and 45534 transitions. Second operand 12 states. [2019-12-27 04:35:33,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:33,160 INFO L93 Difference]: Finished difference Result 30386 states and 117281 transitions. [2019-12-27 04:35:33,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-27 04:35:33,160 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2019-12-27 04:35:33,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:33,244 INFO L225 Difference]: With dead ends: 30386 [2019-12-27 04:35:33,245 INFO L226 Difference]: Without dead ends: 30314 [2019-12-27 04:35:33,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2019-12-27 04:35:33,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30314 states. [2019-12-27 04:35:33,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30314 to 11357. [2019-12-27 04:35:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11357 states. [2019-12-27 04:35:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11357 states to 11357 states and 44521 transitions. [2019-12-27 04:35:33,781 INFO L78 Accepts]: Start accepts. Automaton has 11357 states and 44521 transitions. Word has length 22 [2019-12-27 04:35:33,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:33,782 INFO L462 AbstractCegarLoop]: Abstraction has 11357 states and 44521 transitions. [2019-12-27 04:35:33,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-27 04:35:33,782 INFO L276 IsEmpty]: Start isEmpty. Operand 11357 states and 44521 transitions. [2019-12-27 04:35:33,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 04:35:33,785 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:33,785 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:33,991 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:35:33,996 INFO L410 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:33,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:33,996 INFO L82 PathProgramCache]: Analyzing trace with hash 677055142, now seen corresponding path program 1 times [2019-12-27 04:35:33,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:33,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732937502] [2019-12-27 04:35:33,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 04:35:34,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732937502] [2019-12-27 04:35:34,070 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934942484] [2019-12-27 04:35:34,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:35:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:34,148 INFO L264 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-27 04:35:34,150 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 04:35:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 04:35:34,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 04:35:34,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2019-12-27 04:35:34,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103774481] [2019-12-27 04:35:34,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-27 04:35:34,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:34,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-27 04:35:34,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-27 04:35:34,222 INFO L87 Difference]: Start difference. First operand 11357 states and 44521 transitions. Second operand 12 states. [2019-12-27 04:35:34,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:34,828 INFO L93 Difference]: Finished difference Result 31062 states and 120131 transitions. [2019-12-27 04:35:34,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-27 04:35:34,829 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2019-12-27 04:35:34,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:34,895 INFO L225 Difference]: With dead ends: 31062 [2019-12-27 04:35:34,895 INFO L226 Difference]: Without dead ends: 30990 [2019-12-27 04:35:34,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2019-12-27 04:35:34,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30990 states. [2019-12-27 04:35:35,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30990 to 11439. [2019-12-27 04:35:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11439 states. [2019-12-27 04:35:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11439 states to 11439 states and 44850 transitions. [2019-12-27 04:35:35,225 INFO L78 Accepts]: Start accepts. Automaton has 11439 states and 44850 transitions. Word has length 22 [2019-12-27 04:35:35,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:35,225 INFO L462 AbstractCegarLoop]: Abstraction has 11439 states and 44850 transitions. [2019-12-27 04:35:35,225 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-27 04:35:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 11439 states and 44850 transitions. [2019-12-27 04:35:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 04:35:35,228 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:35,228 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:35,429 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 04:35:35,429 INFO L410 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:35,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:35,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1396745761, now seen corresponding path program 1 times [2019-12-27 04:35:35,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:35,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771837035] [2019-12-27 04:35:35,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:35,501 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-27 04:35:35,502 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771837035] [2019-12-27 04:35:35,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:35,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 04:35:35,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680104733] [2019-12-27 04:35:35,502 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 04:35:35,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:35,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 04:35:35,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:35,503 INFO L87 Difference]: Start difference. First operand 11439 states and 44850 transitions. Second operand 7 states. [2019-12-27 04:35:36,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:36,028 INFO L93 Difference]: Finished difference Result 31058 states and 120097 transitions. [2019-12-27 04:35:36,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-27 04:35:36,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2019-12-27 04:35:36,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:36,318 INFO L225 Difference]: With dead ends: 31058 [2019-12-27 04:35:36,319 INFO L226 Difference]: Without dead ends: 30980 [2019-12-27 04:35:36,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2019-12-27 04:35:36,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30980 states. [2019-12-27 04:35:36,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30980 to 11093. [2019-12-27 04:35:36,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11093 states. [2019-12-27 04:35:36,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11093 states to 11093 states and 43368 transitions. [2019-12-27 04:35:36,672 INFO L78 Accepts]: Start accepts. Automaton has 11093 states and 43368 transitions. Word has length 22 [2019-12-27 04:35:36,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:36,672 INFO L462 AbstractCegarLoop]: Abstraction has 11093 states and 43368 transitions. [2019-12-27 04:35:36,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 04:35:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 11093 states and 43368 transitions. [2019-12-27 04:35:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 04:35:36,675 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:36,675 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:36,676 INFO L410 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:36,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:36,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1396448409, now seen corresponding path program 1 times [2019-12-27 04:35:36,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:36,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085029371] [2019-12-27 04:35:36,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:36,776 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-27 04:35:36,777 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085029371] [2019-12-27 04:35:36,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:36,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 04:35:36,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846919613] [2019-12-27 04:35:36,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 04:35:36,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:36,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 04:35:36,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:36,779 INFO L87 Difference]: Start difference. First operand 11093 states and 43368 transitions. Second operand 7 states. [2019-12-27 04:35:37,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:37,249 INFO L93 Difference]: Finished difference Result 30992 states and 119819 transitions. [2019-12-27 04:35:37,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-27 04:35:37,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2019-12-27 04:35:37,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:37,317 INFO L225 Difference]: With dead ends: 30992 [2019-12-27 04:35:37,317 INFO L226 Difference]: Without dead ends: 30914 [2019-12-27 04:35:37,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2019-12-27 04:35:37,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30914 states. [2019-12-27 04:35:37,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30914 to 10835. [2019-12-27 04:35:37,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10835 states. [2019-12-27 04:35:37,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10835 states to 10835 states and 42198 transitions. [2019-12-27 04:35:37,647 INFO L78 Accepts]: Start accepts. Automaton has 10835 states and 42198 transitions. Word has length 22 [2019-12-27 04:35:37,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:37,647 INFO L462 AbstractCegarLoop]: Abstraction has 10835 states and 42198 transitions. [2019-12-27 04:35:37,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 04:35:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 10835 states and 42198 transitions. [2019-12-27 04:35:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 04:35:37,650 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:37,650 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:37,650 INFO L410 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:37,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:37,651 INFO L82 PathProgramCache]: Analyzing trace with hash -2032188915, now seen corresponding path program 1 times [2019-12-27 04:35:37,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:37,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017233442] [2019-12-27 04:35:37,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:35:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-27 04:35:37,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017233442] [2019-12-27 04:35:37,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:35:37,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:35:37,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613316267] [2019-12-27 04:35:37,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:35:37,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:35:37,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:35:37,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:35:37,719 INFO L87 Difference]: Start difference. First operand 10835 states and 42198 transitions. Second operand 5 states. [2019-12-27 04:35:37,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:35:37,967 INFO L93 Difference]: Finished difference Result 22192 states and 85781 transitions. [2019-12-27 04:35:37,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:35:37,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-12-27 04:35:37,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:35:38,028 INFO L225 Difference]: With dead ends: 22192 [2019-12-27 04:35:38,028 INFO L226 Difference]: Without dead ends: 22108 [2019-12-27 04:35:38,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:35:38,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22108 states. [2019-12-27 04:35:38,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22108 to 12085. [2019-12-27 04:35:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12085 states. [2019-12-27 04:35:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12085 states to 12085 states and 47309 transitions. [2019-12-27 04:35:38,419 INFO L78 Accepts]: Start accepts. Automaton has 12085 states and 47309 transitions. Word has length 22 [2019-12-27 04:35:38,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:35:38,419 INFO L462 AbstractCegarLoop]: Abstraction has 12085 states and 47309 transitions. [2019-12-27 04:35:38,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:35:38,419 INFO L276 IsEmpty]: Start isEmpty. Operand 12085 states and 47309 transitions. [2019-12-27 04:35:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 04:35:38,424 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:35:38,424 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:35:38,424 INFO L410 AbstractCegarLoop]: === Iteration 13 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:35:38,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:35:38,425 INFO L82 PathProgramCache]: Analyzing trace with hash -2038302932, now seen corresponding path program 1 times [2019-12-27 04:35:38,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:35:38,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696250119] [2019-12-27 04:35:38,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:35:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:35:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:35:38,458 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:35:38,458 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:35:38,458 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:35:38,458 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 04:35:38,481 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,482 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,482 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,482 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,482 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,482 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,482 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,482 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,483 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,483 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,483 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,483 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,483 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,484 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,484 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,484 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,485 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,485 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,485 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,485 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,485 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,485 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,485 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,485 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,486 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,486 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,486 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,486 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,486 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,486 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,488 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,488 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,489 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,489 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,489 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,489 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,489 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,489 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,489 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,489 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,490 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,490 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,490 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,495 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,495 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,495 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,495 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,496 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,496 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,496 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,496 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,496 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,496 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,496 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,496 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,497 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,497 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,497 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,497 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,497 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,497 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,497 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,498 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,498 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,498 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,498 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,498 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,498 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,498 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,498 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,499 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,499 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,499 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,499 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,499 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,499 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,499 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,500 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,500 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,500 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,500 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,500 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,500 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,500 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,500 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,501 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,501 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,501 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,501 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,501 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,501 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,501 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,501 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,502 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,502 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,502 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,502 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,502 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,502 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,502 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,503 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,503 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,503 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,503 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,503 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,503 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,503 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,503 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,504 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,504 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,504 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,504 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,504 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,504 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,504 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,504 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,505 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,505 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,505 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,505 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,505 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,505 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,505 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,505 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,506 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,506 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,506 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,506 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,506 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,506 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,506 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,507 WARN L315 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,507 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,508 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,508 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,508 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,508 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,508 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,509 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,509 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,509 WARN L315 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,510 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,510 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,510 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,510 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,510 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,511 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,511 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,511 WARN L315 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,512 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,512 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,512 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,512 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,512 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,513 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,513 WARN L315 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,513 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,514 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,514 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,514 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,514 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,514 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,515 WARN L315 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,515 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,515 WARN L315 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,517 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,518 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,518 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,518 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,518 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,518 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,518 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,519 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,520 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,520 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,521 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,521 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,521 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,522 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,522 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,523 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,524 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,524 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,524 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,524 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,524 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,524 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:35:38,525 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-12-27 04:35:38,526 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:35:38,526 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:35:38,526 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:35:38,526 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:35:38,526 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:35:38,526 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:35:38,526 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:35:38,526 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:35:38,528 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 173 places, 162 transitions [2019-12-27 04:35:38,528 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 173 places, 162 transitions [2019-12-27 04:35:38,562 INFO L132 PetriNetUnfolder]: 12/192 cut-off events. [2019-12-27 04:35:38,562 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 04:35:38,567 INFO L76 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 192 events. 12/192 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 421 event pairs. 0/173 useless extension candidates. Maximal degree in co-relation 219. Up to 12 conditions per place. [2019-12-27 04:35:38,580 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 173 places, 162 transitions [2019-12-27 04:35:38,610 INFO L132 PetriNetUnfolder]: 12/192 cut-off events. [2019-12-27 04:35:38,610 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 04:35:38,615 INFO L76 FinitePrefix]: Finished finitePrefix Result has 230 conditions, 192 events. 12/192 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 421 event pairs. 0/173 useless extension candidates. Maximal degree in co-relation 219. Up to 12 conditions per place. [2019-12-27 04:35:38,631 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 7304 [2019-12-27 04:35:38,631 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 04:35:41,768 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2019-12-27 04:35:42,132 WARN L192 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2019-12-27 04:35:42,246 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-12-27 04:35:42,255 INFO L206 etLargeBlockEncoding]: Checked pairs total: 14503 [2019-12-27 04:35:42,255 INFO L214 etLargeBlockEncoding]: Total number of compositions: 123 [2019-12-27 04:35:42,255 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 60 transitions [2019-12-27 04:36:37,902 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 186623 states. [2019-12-27 04:36:37,902 INFO L276 IsEmpty]: Start isEmpty. Operand 186623 states. [2019-12-27 04:36:37,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-27 04:36:37,902 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:36:37,903 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-27 04:36:37,903 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:36:37,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:36:37,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1258960, now seen corresponding path program 1 times [2019-12-27 04:36:37,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:36:37,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859826942] [2019-12-27 04:36:37,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:36:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:36:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:36:37,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859826942] [2019-12-27 04:36:37,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:36:37,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:36:37,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226803960] [2019-12-27 04:36:37,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:36:37,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:36:37,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:36:37,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:36:37,922 INFO L87 Difference]: Start difference. First operand 186623 states. Second operand 3 states. [2019-12-27 04:36:46,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:36:46,637 INFO L93 Difference]: Finished difference Result 242286 states and 1521279 transitions. [2019-12-27 04:36:46,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:36:46,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-27 04:36:46,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:36:47,626 INFO L225 Difference]: With dead ends: 242286 [2019-12-27 04:36:47,627 INFO L226 Difference]: Without dead ends: 226558 [2019-12-27 04:36:47,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:36:50,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226558 states. [2019-12-27 04:37:02,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226558 to 198682. [2019-12-27 04:37:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198682 states. [2019-12-27 04:37:04,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198682 states to 198682 states and 1265854 transitions. [2019-12-27 04:37:04,806 INFO L78 Accepts]: Start accepts. Automaton has 198682 states and 1265854 transitions. Word has length 3 [2019-12-27 04:37:04,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:37:04,807 INFO L462 AbstractCegarLoop]: Abstraction has 198682 states and 1265854 transitions. [2019-12-27 04:37:04,807 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:37:04,807 INFO L276 IsEmpty]: Start isEmpty. Operand 198682 states and 1265854 transitions. [2019-12-27 04:37:04,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:37:04,807 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:37:04,807 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:37:04,807 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:37:04,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:37:04,808 INFO L82 PathProgramCache]: Analyzing trace with hash 540627390, now seen corresponding path program 1 times [2019-12-27 04:37:04,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:37:04,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100794350] [2019-12-27 04:37:04,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:37:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:37:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:37:04,850 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100794350] [2019-12-27 04:37:04,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:37:04,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:37:04,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892661050] [2019-12-27 04:37:04,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:37:04,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:37:04,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:37:04,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:37:04,852 INFO L87 Difference]: Start difference. First operand 198682 states and 1265854 transitions. Second operand 5 states. [2019-12-27 04:37:18,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:37:18,353 INFO L93 Difference]: Finished difference Result 405850 states and 2493584 transitions. [2019-12-27 04:37:18,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:37:18,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-12-27 04:37:18,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:37:29,449 INFO L225 Difference]: With dead ends: 405850 [2019-12-27 04:37:29,450 INFO L226 Difference]: Without dead ends: 405418 [2019-12-27 04:37:29,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 04:37:32,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405418 states. [2019-12-27 04:37:48,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405418 to 220810. [2019-12-27 04:37:48,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220810 states. [2019-12-27 04:37:50,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220810 states to 220810 states and 1422135 transitions. [2019-12-27 04:37:50,798 INFO L78 Accepts]: Start accepts. Automaton has 220810 states and 1422135 transitions. Word has length 10 [2019-12-27 04:37:50,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:37:50,798 INFO L462 AbstractCegarLoop]: Abstraction has 220810 states and 1422135 transitions. [2019-12-27 04:37:50,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 04:37:50,798 INFO L276 IsEmpty]: Start isEmpty. Operand 220810 states and 1422135 transitions. [2019-12-27 04:37:50,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 04:37:50,799 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:37:50,799 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:37:50,799 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:37:50,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:37:50,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1439547760, now seen corresponding path program 1 times [2019-12-27 04:37:50,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:37:50,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810369882] [2019-12-27 04:37:50,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:37:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:37:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 04:37:50,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810369882] [2019-12-27 04:37:50,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:37:50,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:37:50,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982309810] [2019-12-27 04:37:50,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 04:37:50,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:37:50,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 04:37:50,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 04:37:50,834 INFO L87 Difference]: Start difference. First operand 220810 states and 1422135 transitions. Second operand 5 states. Received shutdown request... [2019-12-27 04:38:10,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-27 04:38:10,514 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 04:38:10,518 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 04:38:10,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 04:38:10 BasicIcfg [2019-12-27 04:38:10,518 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 04:38:10,520 INFO L168 Benchmark]: Toolchain (without parser) took 196793.82 ms. Allocated memory was 144.7 MB in the beginning and 5.9 GB in the end (delta: 5.8 GB). Free memory was 101.7 MB in the beginning and 2.7 GB in the end (delta: -2.6 GB). Peak memory consumption was 4.4 GB. Max. memory is 7.1 GB. [2019-12-27 04:38:10,520 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 04:38:10,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.58 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.2 MB in the beginning and 158.0 MB in the end (delta: -56.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:10,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.23 ms. Allocated memory is still 201.9 MB. Free memory was 158.0 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:10,522 INFO L168 Benchmark]: Boogie Preprocessor took 27.07 ms. Allocated memory is still 201.9 MB. Free memory was 156.0 MB in the beginning and 154.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:10,522 INFO L168 Benchmark]: RCFGBuilder took 441.80 ms. Allocated memory is still 201.9 MB. Free memory was 154.6 MB in the beginning and 132.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-12-27 04:38:10,523 INFO L168 Benchmark]: TraceAbstraction took 195591.86 ms. Allocated memory was 201.9 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 131.8 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2019-12-27 04:38:10,526 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 144.7 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 669.58 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 101.2 MB in the beginning and 158.0 MB in the end (delta: -56.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.23 ms. Allocated memory is still 201.9 MB. Free memory was 158.0 MB in the beginning and 156.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.07 ms. Allocated memory is still 201.9 MB. Free memory was 156.0 MB in the beginning and 154.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 441.80 ms. Allocated memory is still 201.9 MB. Free memory was 154.6 MB in the beginning and 132.5 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 195591.86 ms. Allocated memory was 201.9 MB in the beginning and 5.9 GB in the end (delta: 5.7 GB). Free memory was 131.8 MB in the beginning and 2.7 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.5s, 69 ProgramPointsBefore, 15 ProgramPointsAfterwards, 66 TransitionsBefore, 12 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 7 FixpointIterations, 22 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 519 VarBasedMoverChecksPositive, 3 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 4 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 729 CheckedPairsTotal, 57 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.4s, 95 ProgramPointsBefore, 32 ProgramPointsAfterwards, 90 TransitionsBefore, 29 TransitionsAfterwards, 2024 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 1062 VarBasedMoverChecksPositive, 24 VarBasedMoverChecksNegative, 3 SemBasedMoverChecksPositive, 27 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 2838 CheckedPairsTotal, 69 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.5s, 121 ProgramPointsBefore, 44 ProgramPointsAfterwards, 114 TransitionsBefore, 40 TransitionsAfterwards, 3420 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 43 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 1774 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 8 SemBasedMoverChecksPositive, 41 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 6734 CheckedPairsTotal, 89 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.2s, 147 ProgramPointsBefore, 54 ProgramPointsAfterwards, 138 TransitionsBefore, 49 TransitionsAfterwards, 5180 CoEnabledTransitionPairs, 7 FixpointIterations, 53 TrivialSequentialCompositions, 47 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 5 ConcurrentYvCompositions, 5 ChoiceCompositions, 2790 VarBasedMoverChecksPositive, 73 VarBasedMoverChecksNegative, 31 SemBasedMoverChecksPositive, 66 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 10723 CheckedPairsTotal, 110 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 3.7s, 173 ProgramPointsBefore, 66 ProgramPointsAfterwards, 162 TransitionsBefore, 60 TransitionsAfterwards, 7304 CoEnabledTransitionPairs, 7 FixpointIterations, 58 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 7 ConcurrentYvCompositions, 6 ChoiceCompositions, 3552 VarBasedMoverChecksPositive, 87 VarBasedMoverChecksNegative, 55 SemBasedMoverChecksPositive, 62 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 14503 CheckedPairsTotal, 123 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 675]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 675). Cancelled while BasicCegarLoop was constructing difference of abstraction (220810states) and FLOYD_HOARE automaton (currently 6 states, 5 states before enhancement),while ReachableStatesComputation was computing reachable states (382284 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 63 locations, 1 error locations. Result: TIMEOUT, OverallTime: 151.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 53.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 137 SDtfs, 404 SDslu, 216 SDs, 0 SdLazy, 265 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=220810occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 38.5s AutomataMinimizationTime, 2 MinimizatonAttempts, 212484 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 1734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown