/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-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix045_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 11:53:04,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 11:53:04,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 11:53:04,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 11:53:04,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 11:53:04,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 11:53:04,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 11:53:04,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 11:53:04,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 11:53:04,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 11:53:04,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 11:53:04,792 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 11:53:04,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 11:53:04,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 11:53:04,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 11:53:04,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 11:53:04,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 11:53:04,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 11:53:04,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 11:53:04,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 11:53:04,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 11:53:04,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 11:53:04,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 11:53:04,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 11:53:04,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 11:53:04,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 11:53:04,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 11:53:04,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 11:53:04,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 11:53:04,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 11:53:04,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 11:53:04,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 11:53:04,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 11:53:04,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 11:53:04,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 11:53:04,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 11:53:04,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 11:53:04,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 11:53:04,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 11:53:04,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 11:53:04,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 11:53:04,834 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-NoLbe.epf [2019-12-27 11:53:04,865 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 11:53:04,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 11:53:04,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 11:53:04,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 11:53:04,871 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 11:53:04,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 11:53:04,871 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 11:53:04,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 11:53:04,871 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 11:53:04,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 11:53:04,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 11:53:04,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 11:53:04,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 11:53:04,872 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 11:53:04,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 11:53:04,875 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 11:53:04,875 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 11:53:04,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 11:53:04,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 11:53:04,876 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 11:53:04,876 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 11:53:04,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 11:53:04,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 11:53:04,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 11:53:04,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 11:53:04,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 11:53:04,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 11:53:04,877 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 11:53:04,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 11:53:04,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 11:53:05,158 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 11:53:05,171 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 11:53:05,175 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 11:53:05,177 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 11:53:05,177 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 11:53:05,178 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix045_pso.opt.i [2019-12-27 11:53:05,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1b6798c6/35f20466c1bf4cb681445a2bd86fcbef/FLAGd18c92822 [2019-12-27 11:53:05,832 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 11:53:05,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_pso.opt.i [2019-12-27 11:53:05,862 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1b6798c6/35f20466c1bf4cb681445a2bd86fcbef/FLAGd18c92822 [2019-12-27 11:53:06,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1b6798c6/35f20466c1bf4cb681445a2bd86fcbef [2019-12-27 11:53:06,098 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 11:53:06,100 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 11:53:06,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 11:53:06,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 11:53:06,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 11:53:06,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:06,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdaac8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06, skipping insertion in model container [2019-12-27 11:53:06,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:06,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 11:53:06,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 11:53:06,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 11:53:06,773 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 11:53:06,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 11:53:06,922 INFO L208 MainTranslator]: Completed translation [2019-12-27 11:53:06,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06 WrapperNode [2019-12-27 11:53:06,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 11:53:06,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 11:53:06,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 11:53:06,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 11:53:06,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:06,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:07,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 11:53:07,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 11:53:07,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 11:53:07,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 11:53:07,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:07,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:07,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:07,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:07,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:07,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:07,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (1/1) ... [2019-12-27 11:53:07,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 11:53:07,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 11:53:07,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 11:53:07,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 11:53:07,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (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 11:53:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 11:53:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 11:53:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 11:53:07,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 11:53:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 11:53:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 11:53:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 11:53:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 11:53:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 11:53:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 11:53:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 11:53:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 11:53:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 11:53:07,125 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 11:53:07,920 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 11:53:07,921 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 11:53:07,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:53:07 BoogieIcfgContainer [2019-12-27 11:53:07,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 11:53:07,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 11:53:07,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 11:53:07,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 11:53:07,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:53:06" (1/3) ... [2019-12-27 11:53:07,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b21533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:53:07, skipping insertion in model container [2019-12-27 11:53:07,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:53:06" (2/3) ... [2019-12-27 11:53:07,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b21533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:53:07, skipping insertion in model container [2019-12-27 11:53:07,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:53:07" (3/3) ... [2019-12-27 11:53:07,932 INFO L109 eAbstractionObserver]: Analyzing ICFG mix045_pso.opt.i [2019-12-27 11:53:07,943 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 11:53:07,944 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 11:53:07,952 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 11:53:07,953 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 11:53:07,992 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:07,993 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:07,993 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:07,993 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:07,994 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:07,994 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:07,999 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:07,999 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:07,999 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,000 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,000 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,001 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,002 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,003 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,004 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,004 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,004 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,006 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,006 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,007 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,007 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,007 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,008 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,008 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,008 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,010 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,011 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,011 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,012 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,012 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,013 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,013 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,014 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,014 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,015 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,016 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,016 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,016 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,017 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,017 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,017 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,018 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,018 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,018 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,020 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,020 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,021 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,021 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,021 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,021 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,022 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,022 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,022 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,022 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,023 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,024 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,024 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,024 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,024 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,029 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,029 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,029 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,029 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,030 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,030 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,030 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,030 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,031 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,031 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,032 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,032 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,039 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,039 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,039 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,041 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,043 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,044 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,059 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,059 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,059 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,059 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,060 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,060 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,060 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,060 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 11:53:08,079 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 11:53:08,102 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 11:53:08,102 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 11:53:08,103 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 11:53:08,103 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 11:53:08,104 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 11:53:08,107 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 11:53:08,108 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 11:53:08,108 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 11:53:08,131 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 164 places, 195 transitions [2019-12-27 11:53:21,434 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92467 states. [2019-12-27 11:53:21,436 INFO L276 IsEmpty]: Start isEmpty. Operand 92467 states. [2019-12-27 11:53:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-27 11:53:21,449 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:53:21,451 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:53:21,451 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:53:21,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:53:21,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1399349606, now seen corresponding path program 1 times [2019-12-27 11:53:21,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:53:21,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055917721] [2019-12-27 11:53:21,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:53:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:53:21,851 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 11:53:21,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055917721] [2019-12-27 11:53:21,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:53:21,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 11:53:21,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216014622] [2019-12-27 11:53:21,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 11:53:21,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:53:21,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 11:53:21,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 11:53:21,882 INFO L87 Difference]: Start difference. First operand 92467 states. Second operand 4 states. [2019-12-27 11:53:23,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:53:23,581 INFO L93 Difference]: Finished difference Result 96403 states and 448739 transitions. [2019-12-27 11:53:23,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 11:53:23,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2019-12-27 11:53:23,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:53:24,200 INFO L225 Difference]: With dead ends: 96403 [2019-12-27 11:53:24,200 INFO L226 Difference]: Without dead ends: 85523 [2019-12-27 11:53:24,202 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 11:53:27,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85523 states. [2019-12-27 11:53:30,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85523 to 85523. [2019-12-27 11:53:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85523 states. [2019-12-27 11:53:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85523 states to 85523 states and 400699 transitions. [2019-12-27 11:53:31,248 INFO L78 Accepts]: Start accepts. Automaton has 85523 states and 400699 transitions. Word has length 46 [2019-12-27 11:53:31,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:53:31,249 INFO L462 AbstractCegarLoop]: Abstraction has 85523 states and 400699 transitions. [2019-12-27 11:53:31,249 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 11:53:31,249 INFO L276 IsEmpty]: Start isEmpty. Operand 85523 states and 400699 transitions. [2019-12-27 11:53:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-27 11:53:31,261 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:53:31,261 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:53:31,262 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:53:31,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:53:31,262 INFO L82 PathProgramCache]: Analyzing trace with hash -15854826, now seen corresponding path program 1 times [2019-12-27 11:53:31,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:53:31,263 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547585667] [2019-12-27 11:53:31,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:53:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:53:31,397 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 11:53:31,398 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547585667] [2019-12-27 11:53:31,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:53:31,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 11:53:31,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344785461] [2019-12-27 11:53:31,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 11:53:31,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:53:31,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 11:53:31,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 11:53:31,401 INFO L87 Difference]: Start difference. First operand 85523 states and 400699 transitions. Second operand 5 states. [2019-12-27 11:53:36,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:53:36,114 INFO L93 Difference]: Finished difference Result 139651 states and 623535 transitions. [2019-12-27 11:53:36,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 11:53:36,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-12-27 11:53:36,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:53:37,365 INFO L225 Difference]: With dead ends: 139651 [2019-12-27 11:53:37,365 INFO L226 Difference]: Without dead ends: 138931 [2019-12-27 11:53:37,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 11:53:38,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138931 states. [2019-12-27 11:53:44,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138931 to 132787. [2019-12-27 11:53:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132787 states. [2019-12-27 11:53:44,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132787 states to 132787 states and 597163 transitions. [2019-12-27 11:53:44,600 INFO L78 Accepts]: Start accepts. Automaton has 132787 states and 597163 transitions. Word has length 53 [2019-12-27 11:53:44,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:53:44,601 INFO L462 AbstractCegarLoop]: Abstraction has 132787 states and 597163 transitions. [2019-12-27 11:53:44,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 11:53:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 132787 states and 597163 transitions. [2019-12-27 11:53:44,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-27 11:53:44,611 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:53:44,611 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:53:44,611 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:53:44,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:53:44,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1946503039, now seen corresponding path program 1 times [2019-12-27 11:53:44,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:53:44,612 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132732096] [2019-12-27 11:53:44,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:53:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:53:44,760 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 11:53:44,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132732096] [2019-12-27 11:53:44,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:53:44,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 11:53:44,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294947428] [2019-12-27 11:53:44,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 11:53:44,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:53:44,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 11:53:44,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 11:53:44,764 INFO L87 Difference]: Start difference. First operand 132787 states and 597163 transitions. Second operand 5 states. [2019-12-27 11:53:50,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:53:50,073 INFO L93 Difference]: Finished difference Result 161555 states and 717783 transitions. [2019-12-27 11:53:50,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 11:53:50,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-12-27 11:53:50,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:53:51,407 INFO L225 Difference]: With dead ends: 161555 [2019-12-27 11:53:51,407 INFO L226 Difference]: Without dead ends: 160755 [2019-12-27 11:53:51,408 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 11:53:52,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160755 states. [2019-12-27 11:53:55,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160755 to 139079. [2019-12-27 11:53:55,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139079 states. [2019-12-27 11:53:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139079 states to 139079 states and 623066 transitions. [2019-12-27 11:53:56,462 INFO L78 Accepts]: Start accepts. Automaton has 139079 states and 623066 transitions. Word has length 54 [2019-12-27 11:53:56,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:53:56,462 INFO L462 AbstractCegarLoop]: Abstraction has 139079 states and 623066 transitions. [2019-12-27 11:53:56,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 11:53:56,463 INFO L276 IsEmpty]: Start isEmpty. Operand 139079 states and 623066 transitions. [2019-12-27 11:53:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-27 11:53:56,502 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:53:56,502 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:53:56,502 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:53:56,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:53:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1620706159, now seen corresponding path program 1 times [2019-12-27 11:53:56,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:53:56,503 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69628396] [2019-12-27 11:53:56,503 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:53:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:53:56,617 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 11:53:56,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69628396] [2019-12-27 11:53:56,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:53:56,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 11:53:56,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567814210] [2019-12-27 11:53:56,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 11:53:56,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:53:56,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 11:53:56,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 11:53:56,619 INFO L87 Difference]: Start difference. First operand 139079 states and 623066 transitions. Second operand 6 states. [2019-12-27 11:54:03,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:54:03,492 INFO L93 Difference]: Finished difference Result 183583 states and 805092 transitions. [2019-12-27 11:54:03,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-27 11:54:03,493 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-12-27 11:54:03,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:54:04,115 INFO L225 Difference]: With dead ends: 183583 [2019-12-27 11:54:04,115 INFO L226 Difference]: Without dead ends: 182863 [2019-12-27 11:54:04,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-27 11:54:05,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182863 states. [2019-12-27 11:54:11,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182863 to 134931. [2019-12-27 11:54:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134931 states. [2019-12-27 11:54:13,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134931 states to 134931 states and 604575 transitions. [2019-12-27 11:54:13,097 INFO L78 Accepts]: Start accepts. Automaton has 134931 states and 604575 transitions. Word has length 61 [2019-12-27 11:54:13,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:54:13,097 INFO L462 AbstractCegarLoop]: Abstraction has 134931 states and 604575 transitions. [2019-12-27 11:54:13,097 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 11:54:13,097 INFO L276 IsEmpty]: Start isEmpty. Operand 134931 states and 604575 transitions. [2019-12-27 11:54:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-27 11:54:13,181 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:54:13,181 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:54:13,181 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:54:13,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:54:13,182 INFO L82 PathProgramCache]: Analyzing trace with hash 92553995, now seen corresponding path program 1 times [2019-12-27 11:54:13,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:54:13,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955706596] [2019-12-27 11:54:13,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:54:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:54:13,280 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 11:54:13,280 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955706596] [2019-12-27 11:54:13,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:54:13,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 11:54:13,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737900884] [2019-12-27 11:54:13,281 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 11:54:13,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:54:13,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 11:54:13,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-27 11:54:13,283 INFO L87 Difference]: Start difference. First operand 134931 states and 604575 transitions. Second operand 6 states. [2019-12-27 11:54:15,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:54:15,975 INFO L93 Difference]: Finished difference Result 185115 states and 812729 transitions. [2019-12-27 11:54:15,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-27 11:54:15,975 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-12-27 11:54:15,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:54:16,607 INFO L225 Difference]: With dead ends: 185115 [2019-12-27 11:54:16,607 INFO L226 Difference]: Without dead ends: 183915 [2019-12-27 11:54:16,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-27 11:54:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183915 states. [2019-12-27 11:54:26,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183915 to 160431. [2019-12-27 11:54:26,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160431 states. [2019-12-27 11:54:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160431 states to 160431 states and 711516 transitions. [2019-12-27 11:54:28,461 INFO L78 Accepts]: Start accepts. Automaton has 160431 states and 711516 transitions. Word has length 68 [2019-12-27 11:54:28,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:54:28,461 INFO L462 AbstractCegarLoop]: Abstraction has 160431 states and 711516 transitions. [2019-12-27 11:54:28,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 11:54:28,462 INFO L276 IsEmpty]: Start isEmpty. Operand 160431 states and 711516 transitions. [2019-12-27 11:54:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-27 11:54:28,571 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:54:28,571 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:54:28,571 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:54:28,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:54:28,572 INFO L82 PathProgramCache]: Analyzing trace with hash -155089124, now seen corresponding path program 1 times [2019-12-27 11:54:28,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:54:28,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005763876] [2019-12-27 11:54:28,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:54:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:54:28,631 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 11:54:28,631 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005763876] [2019-12-27 11:54:28,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:54:28,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 11:54:28,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578158659] [2019-12-27 11:54:28,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 11:54:28,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:54:28,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 11:54:28,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 11:54:28,633 INFO L87 Difference]: Start difference. First operand 160431 states and 711516 transitions. Second operand 3 states. [2019-12-27 11:54:35,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:54:35,892 INFO L93 Difference]: Finished difference Result 202239 states and 884076 transitions. [2019-12-27 11:54:35,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 11:54:35,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-12-27 11:54:35,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:54:36,591 INFO L225 Difference]: With dead ends: 202239 [2019-12-27 11:54:36,591 INFO L226 Difference]: Without dead ends: 202239 [2019-12-27 11:54:36,592 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 11:54:37,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202239 states. [2019-12-27 11:54:41,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202239 to 176151. [2019-12-27 11:54:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176151 states. [2019-12-27 11:54:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176151 states to 176151 states and 777058 transitions. [2019-12-27 11:54:42,371 INFO L78 Accepts]: Start accepts. Automaton has 176151 states and 777058 transitions. Word has length 70 [2019-12-27 11:54:42,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:54:42,371 INFO L462 AbstractCegarLoop]: Abstraction has 176151 states and 777058 transitions. [2019-12-27 11:54:42,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 11:54:42,371 INFO L276 IsEmpty]: Start isEmpty. Operand 176151 states and 777058 transitions. [2019-12-27 11:54:42,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-27 11:54:42,535 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:54:42,535 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:54:42,535 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:54:42,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:54:42,536 INFO L82 PathProgramCache]: Analyzing trace with hash -915433476, now seen corresponding path program 1 times [2019-12-27 11:54:42,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:54:42,536 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117995245] [2019-12-27 11:54:42,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:54:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:54:42,703 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 11:54:42,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117995245] [2019-12-27 11:54:42,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:54:42,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 11:54:42,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328822352] [2019-12-27 11:54:42,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 11:54:42,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:54:42,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 11:54:42,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-27 11:54:42,706 INFO L87 Difference]: Start difference. First operand 176151 states and 777058 transitions. Second operand 7 states. [2019-12-27 11:54:49,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:54:49,981 INFO L93 Difference]: Finished difference Result 224103 states and 971734 transitions. [2019-12-27 11:54:49,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-27 11:54:49,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2019-12-27 11:54:49,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:54:51,498 INFO L225 Difference]: With dead ends: 224103 [2019-12-27 11:54:51,498 INFO L226 Difference]: Without dead ends: 222903 [2019-12-27 11:54:51,498 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-27 11:54:52,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222903 states. [2019-12-27 11:55:00,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222903 to 180727. [2019-12-27 11:55:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180727 states. [2019-12-27 11:55:02,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180727 states to 180727 states and 796150 transitions. [2019-12-27 11:55:02,148 INFO L78 Accepts]: Start accepts. Automaton has 180727 states and 796150 transitions. Word has length 74 [2019-12-27 11:55:02,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:55:02,149 INFO L462 AbstractCegarLoop]: Abstraction has 180727 states and 796150 transitions. [2019-12-27 11:55:02,149 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 11:55:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 180727 states and 796150 transitions. [2019-12-27 11:55:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-27 11:55:02,326 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:55:02,326 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:55:02,326 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:55:02,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:55:02,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1650864197, now seen corresponding path program 1 times [2019-12-27 11:55:02,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:55:02,327 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921064216] [2019-12-27 11:55:02,327 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:55:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:55:02,395 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 11:55:02,396 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921064216] [2019-12-27 11:55:02,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:55:02,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 11:55:02,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185659149] [2019-12-27 11:55:02,397 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 11:55:02,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:55:02,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 11:55:02,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 11:55:02,398 INFO L87 Difference]: Start difference. First operand 180727 states and 796150 transitions. Second operand 4 states. [2019-12-27 11:55:10,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:55:10,364 INFO L93 Difference]: Finished difference Result 277855 states and 1217220 transitions. [2019-12-27 11:55:10,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 11:55:10,364 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 75 [2019-12-27 11:55:10,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:55:12,216 INFO L225 Difference]: With dead ends: 277855 [2019-12-27 11:55:12,216 INFO L226 Difference]: Without dead ends: 277855 [2019-12-27 11:55:12,217 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 11:55:13,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277855 states. [2019-12-27 11:55:18,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277855 to 214687. [2019-12-27 11:55:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214687 states. [2019-12-27 11:55:20,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214687 states to 214687 states and 943480 transitions. [2019-12-27 11:55:20,548 INFO L78 Accepts]: Start accepts. Automaton has 214687 states and 943480 transitions. Word has length 75 [2019-12-27 11:55:20,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:55:20,548 INFO L462 AbstractCegarLoop]: Abstraction has 214687 states and 943480 transitions. [2019-12-27 11:55:20,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 11:55:20,548 INFO L276 IsEmpty]: Start isEmpty. Operand 214687 states and 943480 transitions. [2019-12-27 11:55:20,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-27 11:55:20,788 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:55:20,788 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:55:20,788 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:55:20,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:55:20,788 INFO L82 PathProgramCache]: Analyzing trace with hash -162790407, now seen corresponding path program 1 times [2019-12-27 11:55:20,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:55:20,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342039763] [2019-12-27 11:55:20,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:55:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:55:20,888 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 11:55:20,888 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342039763] [2019-12-27 11:55:20,889 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:55:20,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 11:55:20,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744630118] [2019-12-27 11:55:20,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 11:55:20,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:55:20,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 11:55:20,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-27 11:55:20,890 INFO L87 Difference]: Start difference. First operand 214687 states and 943480 transitions. Second operand 7 states. [2019-12-27 11:55:30,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:55:30,957 INFO L93 Difference]: Finished difference Result 255731 states and 1108635 transitions. [2019-12-27 11:55:30,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-27 11:55:30,961 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-27 11:55:30,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:55:31,877 INFO L225 Difference]: With dead ends: 255731 [2019-12-27 11:55:31,877 INFO L226 Difference]: Without dead ends: 254731 [2019-12-27 11:55:31,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-27 11:55:33,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254731 states. [2019-12-27 11:55:37,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254731 to 217763. [2019-12-27 11:55:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217763 states. [2019-12-27 11:55:39,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217763 states to 217763 states and 955907 transitions. [2019-12-27 11:55:39,612 INFO L78 Accepts]: Start accepts. Automaton has 217763 states and 955907 transitions. Word has length 75 [2019-12-27 11:55:39,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:55:39,613 INFO L462 AbstractCegarLoop]: Abstraction has 217763 states and 955907 transitions. [2019-12-27 11:55:39,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 11:55:39,613 INFO L276 IsEmpty]: Start isEmpty. Operand 217763 states and 955907 transitions. [2019-12-27 11:55:39,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-27 11:55:39,863 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:55:39,863 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:55:39,863 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:55:39,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:55:39,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1991738286, now seen corresponding path program 1 times [2019-12-27 11:55:39,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:55:39,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495395879] [2019-12-27 11:55:39,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:55:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:55:40,018 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 11:55:40,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495395879] [2019-12-27 11:55:40,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:55:40,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-27 11:55:40,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96352465] [2019-12-27 11:55:40,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 11:55:40,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:55:40,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 11:55:40,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 11:55:40,020 INFO L87 Difference]: Start difference. First operand 217763 states and 955907 transitions. Second operand 6 states. [2019-12-27 11:55:48,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 11:55:48,776 INFO L93 Difference]: Finished difference Result 303799 states and 1328162 transitions. [2019-12-27 11:55:48,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 11:55:48,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-12-27 11:55:48,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 11:55:49,967 INFO L225 Difference]: With dead ends: 303799 [2019-12-27 11:55:49,968 INFO L226 Difference]: Without dead ends: 301223 [2019-12-27 11:55:49,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-27 11:55:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301223 states. [2019-12-27 11:56:03,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301223 to 261363. [2019-12-27 11:56:03,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261363 states. [2019-12-27 11:56:06,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261363 states to 261363 states and 1149291 transitions. [2019-12-27 11:56:06,244 INFO L78 Accepts]: Start accepts. Automaton has 261363 states and 1149291 transitions. Word has length 77 [2019-12-27 11:56:06,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 11:56:06,245 INFO L462 AbstractCegarLoop]: Abstraction has 261363 states and 1149291 transitions. [2019-12-27 11:56:06,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 11:56:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 261363 states and 1149291 transitions. [2019-12-27 11:56:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-27 11:56:06,547 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 11:56:06,548 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 11:56:06,548 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 11:56:06,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 11:56:06,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1030124269, now seen corresponding path program 1 times [2019-12-27 11:56:06,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 11:56:06,549 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531658837] [2019-12-27 11:56:06,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 11:56:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 11:56:06,707 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 11:56:06,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531658837] [2019-12-27 11:56:06,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 11:56:06,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 11:56:06,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640369301] [2019-12-27 11:56:06,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 11:56:06,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 11:56:06,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 11:56:06,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-27 11:56:06,709 INFO L87 Difference]: Start difference. First operand 261363 states and 1149291 transitions. Second operand 7 states. Received shutdown request... [2019-12-27 11:56:15,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 11:56:15,650 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 11:56:15,655 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 11:56:15,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:56:15 BasicIcfg [2019-12-27 11:56:15,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 11:56:15,658 INFO L168 Benchmark]: Toolchain (without parser) took 189557.89 ms. Allocated memory was 146.3 MB in the beginning and 5.0 GB in the end (delta: 4.9 GB). Free memory was 101.0 MB in the beginning and 3.4 GB in the end (delta: -3.3 GB). Peak memory consumption was 4.6 GB. Max. memory is 7.1 GB. [2019-12-27 11:56:15,659 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-27 11:56:15,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.82 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 157.5 MB in the end (delta: -56.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-12-27 11:56:15,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.53 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 154.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-27 11:56:15,661 INFO L168 Benchmark]: Boogie Preprocessor took 39.92 ms. Allocated memory is still 203.9 MB. Free memory was 154.9 MB in the beginning and 152.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-27 11:56:15,662 INFO L168 Benchmark]: RCFGBuilder took 864.40 ms. Allocated memory is still 203.9 MB. Free memory was 152.3 MB in the beginning and 105.2 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-12-27 11:56:15,663 INFO L168 Benchmark]: TraceAbstraction took 187731.81 ms. Allocated memory was 203.9 MB in the beginning and 5.0 GB in the end (delta: 4.8 GB). Free memory was 105.2 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.5 GB. Max. memory is 7.1 GB. [2019-12-27 11:56:15,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 821.82 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 157.5 MB in the end (delta: -56.9 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 94.53 ms. Allocated memory is still 203.9 MB. Free memory was 157.5 MB in the beginning and 154.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.92 ms. Allocated memory is still 203.9 MB. Free memory was 154.9 MB in the beginning and 152.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 864.40 ms. Allocated memory is still 203.9 MB. Free memory was 152.3 MB in the beginning and 105.2 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 187731.81 ms. Allocated memory was 203.9 MB in the beginning and 5.0 GB in the end (delta: 4.8 GB). Free memory was 105.2 MB in the beginning and 3.4 GB in the end (delta: -3.2 GB). Peak memory consumption was 4.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was constructing difference of abstraction (261363states) and FLOYD_HOARE automaton (currently 10 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (124225 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while BasicCegarLoop was constructing difference of abstraction (261363states) and FLOYD_HOARE automaton (currently 10 states, 7 states before enhancement),while ReachableStatesComputation was computing reachable states (124225 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 155 locations, 2 error locations. Result: TIMEOUT, OverallTime: 187.5s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 82.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3577 SDtfs, 4543 SDslu, 8453 SDs, 0 SdLazy, 3602 SolverSat, 293 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=261363occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 88.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 307496 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 719 ConstructedInterpolants, 0 QuantifiedInterpolants, 103309 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 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