/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/safe030_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:21:34,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:21:34,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:21:34,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:21:34,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:21:34,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:21:34,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:21:34,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:21:34,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:21:34,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:21:34,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:21:34,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:21:34,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:21:34,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:21:34,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:21:34,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:21:34,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:21:34,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:21:34,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:21:34,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:21:35,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:21:35,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:21:35,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:21:35,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:21:35,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 05:21:35,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:21:35,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:21:35,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:21:35,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:21:35,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:21:35,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:21:35,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:21:35,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:21:35,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:21:35,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:21:35,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:21:35,016 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 [2019-12-19 05:21:35,030 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:21:35,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:21:35,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:21:35,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:21:35,032 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:21:35,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:21:35,033 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:21:35,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:21:35,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:21:35,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:21:35,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:21:35,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:21:35,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:21:35,034 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:21:35,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:21:35,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:21:35,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:21:35,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:21:35,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:21:35,035 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:21:35,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:21:35,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:21:35,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:21:35,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:21:35,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:21:35,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:21:35,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:21:35,037 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:21:35,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:21:35,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:21:35,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:21:35,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:21:35,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:21:35,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:21:35,329 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:21:35,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_power.opt.i [2019-12-19 05:21:35,409 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef43a725/351c33d9909340b8a41998a6e0c24405/FLAGc05b21104 [2019-12-19 05:21:36,002 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:21:36,002 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_power.opt.i [2019-12-19 05:21:36,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef43a725/351c33d9909340b8a41998a6e0c24405/FLAGc05b21104 [2019-12-19 05:21:36,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef43a725/351c33d9909340b8a41998a6e0c24405 [2019-12-19 05:21:36,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:21:36,257 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:21:36,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:21:36,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:21:36,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:21:36,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:36,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a58602b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36, skipping insertion in model container [2019-12-19 05:21:36,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:36,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:21:36,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:21:36,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:21:36,821 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:21:36,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:21:36,992 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:21:36,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36 WrapperNode [2019-12-19 05:21:36,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:21:36,993 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:21:36,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:21:36,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:21:37,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:37,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:37,059 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:21:37,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:21:37,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:21:37,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:21:37,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:37,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:37,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:37,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:37,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:37,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:37,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... [2019-12-19 05:21:37,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:21:37,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:21:37,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:21:37,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:21:37,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:21:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:21:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:21:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:21:37,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:21:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:21:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:21:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:21:37,193 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:21:37,193 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 05:21:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 05:21:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:21:37,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:21:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:21:37,196 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:21:37,939 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:21:37,940 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-19 05:21:37,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:21:37 BoogieIcfgContainer [2019-12-19 05:21:37,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:21:37,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:21:37,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:21:37,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:21:37,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:21:36" (1/3) ... [2019-12-19 05:21:37,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a1be70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:21:37, skipping insertion in model container [2019-12-19 05:21:37,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:21:36" (2/3) ... [2019-12-19 05:21:37,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a1be70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:21:37, skipping insertion in model container [2019-12-19 05:21:37,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:21:37" (3/3) ... [2019-12-19 05:21:37,950 INFO L109 eAbstractionObserver]: Analyzing ICFG safe030_power.opt.i [2019-12-19 05:21:37,961 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:21:37,961 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:21:37,980 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-19 05:21:37,981 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:21:38,037 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,038 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,038 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,039 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,039 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,039 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,040 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,041 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,041 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,041 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,042 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,042 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,042 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,043 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,043 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,044 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,045 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,045 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,045 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,046 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,046 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,046 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,046 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,047 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,047 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,047 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,048 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,048 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,048 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,048 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,049 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,049 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,049 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,049 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,051 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,052 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,054 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,055 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,055 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,056 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,056 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,056 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,057 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,057 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,058 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,058 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,058 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,059 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,059 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,060 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,060 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,061 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,061 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,061 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,061 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,062 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,062 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,062 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,062 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,063 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,063 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,063 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,063 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,064 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,064 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,065 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,065 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,065 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,065 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,066 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,069 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,070 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,070 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,071 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,071 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,071 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,071 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,072 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,072 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,072 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,073 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,073 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,076 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,076 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,077 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,078 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,080 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,080 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,080 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,081 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,081 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,081 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,081 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,082 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,082 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,082 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:21:38,098 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-19 05:21:38,118 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:21:38,118 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:21:38,119 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:21:38,119 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:21:38,119 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:21:38,119 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:21:38,119 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:21:38,119 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:21:38,152 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 161 places, 192 transitions [2019-12-19 05:21:53,218 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92464 states. [2019-12-19 05:21:53,220 INFO L276 IsEmpty]: Start isEmpty. Operand 92464 states. [2019-12-19 05:21:53,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-19 05:21:53,233 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:21:53,235 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] [2019-12-19 05:21:53,235 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:21:53,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:21:53,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1398957812, now seen corresponding path program 1 times [2019-12-19 05:21:53,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:21:53,252 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719402101] [2019-12-19 05:21:53,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:21:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:21:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:21:53,619 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719402101] [2019-12-19 05:21:53,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:21:53,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:21:53,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614981195] [2019-12-19 05:21:53,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:21:53,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:21:53,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:21:53,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:21:53,649 INFO L87 Difference]: Start difference. First operand 92464 states. Second operand 4 states. [2019-12-19 05:21:54,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:21:54,824 INFO L93 Difference]: Finished difference Result 96400 states and 448736 transitions. [2019-12-19 05:21:54,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-19 05:21:54,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2019-12-19 05:21:54,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:21:58,282 INFO L225 Difference]: With dead ends: 96400 [2019-12-19 05:21:58,282 INFO L226 Difference]: Without dead ends: 85520 [2019-12-19 05:21:58,284 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 [2019-12-19 05:21:59,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85520 states. [2019-12-19 05:22:01,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85520 to 85520. [2019-12-19 05:22:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85520 states. [2019-12-19 05:22:02,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85520 states to 85520 states and 400696 transitions. [2019-12-19 05:22:02,550 INFO L78 Accepts]: Start accepts. Automaton has 85520 states and 400696 transitions. Word has length 43 [2019-12-19 05:22:02,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:22:02,552 INFO L462 AbstractCegarLoop]: Abstraction has 85520 states and 400696 transitions. [2019-12-19 05:22:02,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:22:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 85520 states and 400696 transitions. [2019-12-19 05:22:02,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-19 05:22:02,566 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:02,567 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] [2019-12-19 05:22:02,567 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:22:02,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:02,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1155940074, now seen corresponding path program 1 times [2019-12-19 05:22:02,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:02,568 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372663330] [2019-12-19 05:22:02,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:22:02,725 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372663330] [2019-12-19 05:22:02,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:02,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:22:02,726 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188033379] [2019-12-19 05:22:02,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:22:02,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:02,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:22:02,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:22:02,729 INFO L87 Difference]: Start difference. First operand 85520 states and 400696 transitions. Second operand 5 states. [2019-12-19 05:22:07,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:07,646 INFO L93 Difference]: Finished difference Result 139648 states and 623532 transitions. [2019-12-19 05:22:07,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:22:07,647 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2019-12-19 05:22:07,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:08,777 INFO L225 Difference]: With dead ends: 139648 [2019-12-19 05:22:08,777 INFO L226 Difference]: Without dead ends: 138928 [2019-12-19 05:22:08,778 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 [2019-12-19 05:22:09,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138928 states. [2019-12-19 05:22:15,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138928 to 132784. [2019-12-19 05:22:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132784 states. [2019-12-19 05:22:15,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132784 states to 132784 states and 597160 transitions. [2019-12-19 05:22:15,798 INFO L78 Accepts]: Start accepts. Automaton has 132784 states and 597160 transitions. Word has length 50 [2019-12-19 05:22:15,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:22:15,798 INFO L462 AbstractCegarLoop]: Abstraction has 132784 states and 597160 transitions. [2019-12-19 05:22:15,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:22:15,798 INFO L276 IsEmpty]: Start isEmpty. Operand 132784 states and 597160 transitions. [2019-12-19 05:22:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-19 05:22:15,810 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:15,810 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] [2019-12-19 05:22:15,811 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:22:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:15,811 INFO L82 PathProgramCache]: Analyzing trace with hash 414231166, now seen corresponding path program 1 times [2019-12-19 05:22:15,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:15,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614393689] [2019-12-19 05:22:15,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:22:15,924 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614393689] [2019-12-19 05:22:15,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:15,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:22:15,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097092225] [2019-12-19 05:22:15,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:22:15,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:15,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:22:15,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:22:15,927 INFO L87 Difference]: Start difference. First operand 132784 states and 597160 transitions. Second operand 5 states. [2019-12-19 05:22:21,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:21,745 INFO L93 Difference]: Finished difference Result 161552 states and 717780 transitions. [2019-12-19 05:22:21,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:22:21,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-19 05:22:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:22,458 INFO L225 Difference]: With dead ends: 161552 [2019-12-19 05:22:22,458 INFO L226 Difference]: Without dead ends: 160752 [2019-12-19 05:22:22,459 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 [2019-12-19 05:22:23,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160752 states. [2019-12-19 05:22:26,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160752 to 139076. [2019-12-19 05:22:26,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139076 states. [2019-12-19 05:22:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139076 states to 139076 states and 623063 transitions. [2019-12-19 05:22:34,467 INFO L78 Accepts]: Start accepts. Automaton has 139076 states and 623063 transitions. Word has length 51 [2019-12-19 05:22:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:22:34,468 INFO L462 AbstractCegarLoop]: Abstraction has 139076 states and 623063 transitions. [2019-12-19 05:22:34,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:22:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 139076 states and 623063 transitions. [2019-12-19 05:22:34,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-19 05:22:34,520 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:34,520 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] [2019-12-19 05:22:34,520 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:22:34,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:34,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1643889572, now seen corresponding path program 1 times [2019-12-19 05:22:34,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:34,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921714016] [2019-12-19 05:22:34,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:34,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:22:34,621 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921714016] [2019-12-19 05:22:34,621 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:34,621 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:22:34,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124185305] [2019-12-19 05:22:34,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:22:34,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:34,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:22:34,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:22:34,626 INFO L87 Difference]: Start difference. First operand 139076 states and 623063 transitions. Second operand 6 states. [2019-12-19 05:22:37,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:37,905 INFO L93 Difference]: Finished difference Result 183580 states and 805089 transitions. [2019-12-19 05:22:37,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-19 05:22:37,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-12-19 05:22:37,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:38,569 INFO L225 Difference]: With dead ends: 183580 [2019-12-19 05:22:38,569 INFO L226 Difference]: Without dead ends: 182860 [2019-12-19 05:22:38,570 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 [2019-12-19 05:22:39,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182860 states. [2019-12-19 05:22:48,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182860 to 134928. [2019-12-19 05:22:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134928 states. [2019-12-19 05:22:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134928 states to 134928 states and 604572 transitions. [2019-12-19 05:22:48,564 INFO L78 Accepts]: Start accepts. Automaton has 134928 states and 604572 transitions. Word has length 58 [2019-12-19 05:22:48,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:22:48,565 INFO L462 AbstractCegarLoop]: Abstraction has 134928 states and 604572 transitions. [2019-12-19 05:22:48,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:22:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 134928 states and 604572 transitions. [2019-12-19 05:22:48,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-12-19 05:22:48,654 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:22:48,654 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] [2019-12-19 05:22:48,654 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:22:48,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:22:48,655 INFO L82 PathProgramCache]: Analyzing trace with hash 205469100, now seen corresponding path program 1 times [2019-12-19 05:22:48,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:22:48,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496279251] [2019-12-19 05:22:48,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:22:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:22:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:22:48,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496279251] [2019-12-19 05:22:48,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:22:48,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:22:48,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180145086] [2019-12-19 05:22:48,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:22:48,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:22:48,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:22:48,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:22:48,765 INFO L87 Difference]: Start difference. First operand 134928 states and 604572 transitions. Second operand 6 states. [2019-12-19 05:22:51,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:22:51,320 INFO L93 Difference]: Finished difference Result 185112 states and 812726 transitions. [2019-12-19 05:22:51,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-19 05:22:51,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2019-12-19 05:22:51,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:22:58,171 INFO L225 Difference]: With dead ends: 185112 [2019-12-19 05:22:58,172 INFO L226 Difference]: Without dead ends: 183912 [2019-12-19 05:22:58,172 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 [2019-12-19 05:22:59,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183912 states. [2019-12-19 05:23:01,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183912 to 160428. [2019-12-19 05:23:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160428 states. [2019-12-19 05:23:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160428 states to 160428 states and 711513 transitions. [2019-12-19 05:23:03,414 INFO L78 Accepts]: Start accepts. Automaton has 160428 states and 711513 transitions. Word has length 65 [2019-12-19 05:23:03,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:03,414 INFO L462 AbstractCegarLoop]: Abstraction has 160428 states and 711513 transitions. [2019-12-19 05:23:03,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:23:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 160428 states and 711513 transitions. [2019-12-19 05:23:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2019-12-19 05:23:03,524 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:03,524 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] [2019-12-19 05:23:03,524 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:23:03,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:03,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1065201497, now seen corresponding path program 1 times [2019-12-19 05:23:03,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:03,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506615007] [2019-12-19 05:23:03,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:23:03,578 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506615007] [2019-12-19 05:23:03,579 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:03,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 05:23:03,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744727370] [2019-12-19 05:23:03,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 05:23:03,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:03,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 05:23:03,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:23:03,581 INFO L87 Difference]: Start difference. First operand 160428 states and 711513 transitions. Second operand 3 states. [2019-12-19 05:23:11,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:11,574 INFO L93 Difference]: Finished difference Result 202236 states and 884073 transitions. [2019-12-19 05:23:11,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 05:23:11,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2019-12-19 05:23:11,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:12,347 INFO L225 Difference]: With dead ends: 202236 [2019-12-19 05:23:12,347 INFO L226 Difference]: Without dead ends: 202236 [2019-12-19 05:23:12,348 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 [2019-12-19 05:23:13,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202236 states. [2019-12-19 05:23:16,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202236 to 176148. [2019-12-19 05:23:16,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176148 states. [2019-12-19 05:23:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176148 states to 176148 states and 777055 transitions. [2019-12-19 05:23:17,765 INFO L78 Accepts]: Start accepts. Automaton has 176148 states and 777055 transitions. Word has length 67 [2019-12-19 05:23:17,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:17,765 INFO L462 AbstractCegarLoop]: Abstraction has 176148 states and 777055 transitions. [2019-12-19 05:23:17,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 05:23:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 176148 states and 777055 transitions. [2019-12-19 05:23:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-19 05:23:17,935 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:17,935 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] [2019-12-19 05:23:17,935 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:23:17,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:17,936 INFO L82 PathProgramCache]: Analyzing trace with hash -681447855, now seen corresponding path program 1 times [2019-12-19 05:23:17,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:17,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489327065] [2019-12-19 05:23:17,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:23:18,034 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489327065] [2019-12-19 05:23:18,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:18,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:23:18,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926010611] [2019-12-19 05:23:18,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:23:18,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:18,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:23:18,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:23:18,037 INFO L87 Difference]: Start difference. First operand 176148 states and 777055 transitions. Second operand 7 states. [2019-12-19 05:23:25,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:25,646 INFO L93 Difference]: Finished difference Result 224100 states and 971731 transitions. [2019-12-19 05:23:25,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:23:25,647 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2019-12-19 05:23:25,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:27,343 INFO L225 Difference]: With dead ends: 224100 [2019-12-19 05:23:27,343 INFO L226 Difference]: Without dead ends: 222900 [2019-12-19 05:23:27,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-19 05:23:28,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222900 states. [2019-12-19 05:23:31,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222900 to 180724. [2019-12-19 05:23:31,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180724 states. [2019-12-19 05:23:33,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180724 states to 180724 states and 796147 transitions. [2019-12-19 05:23:33,660 INFO L78 Accepts]: Start accepts. Automaton has 180724 states and 796147 transitions. Word has length 71 [2019-12-19 05:23:33,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:33,660 INFO L462 AbstractCegarLoop]: Abstraction has 180724 states and 796147 transitions. [2019-12-19 05:23:33,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:23:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand 180724 states and 796147 transitions. [2019-12-19 05:23:33,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-19 05:23:33,819 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:33,819 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] [2019-12-19 05:23:33,819 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:23:33,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:33,819 INFO L82 PathProgramCache]: Analyzing trace with hash 311115850, now seen corresponding path program 1 times [2019-12-19 05:23:33,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:33,820 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929732366] [2019-12-19 05:23:33,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:23:33,937 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929732366] [2019-12-19 05:23:33,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:33,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:23:33,937 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029234470] [2019-12-19 05:23:33,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:23:33,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:33,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:23:33,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:23:33,939 INFO L87 Difference]: Start difference. First operand 180724 states and 796147 transitions. Second operand 7 states. [2019-12-19 05:23:42,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:23:42,959 INFO L93 Difference]: Finished difference Result 220860 states and 957729 transitions. [2019-12-19 05:23:42,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 05:23:42,960 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-19 05:23:42,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:23:43,661 INFO L225 Difference]: With dead ends: 220860 [2019-12-19 05:23:43,661 INFO L226 Difference]: Without dead ends: 219860 [2019-12-19 05:23:43,662 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-19 05:23:45,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219860 states. [2019-12-19 05:23:49,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219860 to 184236. [2019-12-19 05:23:49,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184236 states. [2019-12-19 05:23:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184236 states to 184236 states and 810265 transitions. [2019-12-19 05:23:50,947 INFO L78 Accepts]: Start accepts. Automaton has 184236 states and 810265 transitions. Word has length 72 [2019-12-19 05:23:50,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:23:50,948 INFO L462 AbstractCegarLoop]: Abstraction has 184236 states and 810265 transitions. [2019-12-19 05:23:50,948 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:23:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 184236 states and 810265 transitions. [2019-12-19 05:23:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-19 05:23:51,148 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:23:51,148 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] [2019-12-19 05:23:51,148 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:23:51,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:23:51,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1636045537, now seen corresponding path program 1 times [2019-12-19 05:23:51,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:23:51,149 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141910168] [2019-12-19 05:23:51,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:23:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:23:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:23:51,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141910168] [2019-12-19 05:23:51,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:23:51,323 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:23:51,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564146507] [2019-12-19 05:23:51,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:23:51,324 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:23:51,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:23:51,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:23:51,324 INFO L87 Difference]: Start difference. First operand 184236 states and 810265 transitions. Second operand 6 states. [2019-12-19 05:24:00,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:00,240 INFO L93 Difference]: Finished difference Result 262764 states and 1148125 transitions. [2019-12-19 05:24:00,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:24:00,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 74 [2019-12-19 05:24:00,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:01,155 INFO L225 Difference]: With dead ends: 262764 [2019-12-19 05:24:01,155 INFO L226 Difference]: Without dead ends: 260188 [2019-12-19 05:24:01,156 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 [2019-12-19 05:24:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260188 states. [2019-12-19 05:24:07,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260188 to 224436. [2019-12-19 05:24:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224436 states. [2019-12-19 05:24:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224436 states to 224436 states and 986535 transitions. [2019-12-19 05:24:08,994 INFO L78 Accepts]: Start accepts. Automaton has 224436 states and 986535 transitions. Word has length 74 [2019-12-19 05:24:08,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:08,994 INFO L462 AbstractCegarLoop]: Abstraction has 224436 states and 986535 transitions. [2019-12-19 05:24:08,995 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:24:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 224436 states and 986535 transitions. [2019-12-19 05:24:09,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-19 05:24:09,257 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:09,257 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] [2019-12-19 05:24:09,257 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:24:09,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:09,257 INFO L82 PathProgramCache]: Analyzing trace with hash -674431520, now seen corresponding path program 1 times [2019-12-19 05:24:09,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:09,258 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587996228] [2019-12-19 05:24:09,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:24:09,369 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587996228] [2019-12-19 05:24:09,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:09,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:24:09,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503492982] [2019-12-19 05:24:09,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:24:09,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:09,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:24:09,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:24:09,371 INFO L87 Difference]: Start difference. First operand 224436 states and 986535 transitions. Second operand 4 states. [2019-12-19 05:24:16,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:16,570 INFO L93 Difference]: Finished difference Result 186990 states and 802072 transitions. [2019-12-19 05:24:16,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 05:24:16,570 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2019-12-19 05:24:16,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:17,133 INFO L225 Difference]: With dead ends: 186990 [2019-12-19 05:24:17,134 INFO L226 Difference]: Without dead ends: 185078 [2019-12-19 05:24:17,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:24:18,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185078 states. [2019-12-19 05:24:22,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185078 to 185078. [2019-12-19 05:24:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185078 states. [2019-12-19 05:24:22,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185078 states to 185078 states and 795693 transitions. [2019-12-19 05:24:22,852 INFO L78 Accepts]: Start accepts. Automaton has 185078 states and 795693 transitions. Word has length 74 [2019-12-19 05:24:22,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:22,852 INFO L462 AbstractCegarLoop]: Abstraction has 185078 states and 795693 transitions. [2019-12-19 05:24:22,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:24:22,852 INFO L276 IsEmpty]: Start isEmpty. Operand 185078 states and 795693 transitions. [2019-12-19 05:24:30,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 05:24:30,088 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:30,088 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] [2019-12-19 05:24:30,088 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:24:30,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:30,088 INFO L82 PathProgramCache]: Analyzing trace with hash -1035081414, now seen corresponding path program 1 times [2019-12-19 05:24:30,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:30,089 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088824947] [2019-12-19 05:24:30,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:24:30,164 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088824947] [2019-12-19 05:24:30,165 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:30,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:24:30,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556846163] [2019-12-19 05:24:30,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:24:30,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:30,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:24:30,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:24:30,166 INFO L87 Difference]: Start difference. First operand 185078 states and 795693 transitions. Second operand 5 states. [2019-12-19 05:24:30,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:30,469 INFO L93 Difference]: Finished difference Result 53774 states and 205531 transitions. [2019-12-19 05:24:30,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 05:24:30,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2019-12-19 05:24:30,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:30,593 INFO L225 Difference]: With dead ends: 53774 [2019-12-19 05:24:30,594 INFO L226 Difference]: Without dead ends: 52175 [2019-12-19 05:24:30,594 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:24:30,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52175 states. [2019-12-19 05:24:31,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52175 to 52127. [2019-12-19 05:24:31,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52127 states. [2019-12-19 05:24:32,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52127 states to 52127 states and 199358 transitions. [2019-12-19 05:24:32,142 INFO L78 Accepts]: Start accepts. Automaton has 52127 states and 199358 transitions. Word has length 75 [2019-12-19 05:24:32,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:32,142 INFO L462 AbstractCegarLoop]: Abstraction has 52127 states and 199358 transitions. [2019-12-19 05:24:32,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:24:32,142 INFO L276 IsEmpty]: Start isEmpty. Operand 52127 states and 199358 transitions. [2019-12-19 05:24:32,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-19 05:24:32,193 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:32,193 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:24:32,193 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:24:32,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:32,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1384030429, now seen corresponding path program 1 times [2019-12-19 05:24:32,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:32,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692643544] [2019-12-19 05:24:32,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:32,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:24:32,282 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692643544] [2019-12-19 05:24:32,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:32,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:24:32,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792767991] [2019-12-19 05:24:32,283 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:24:32,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:32,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:24:32,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:24:32,284 INFO L87 Difference]: Start difference. First operand 52127 states and 199358 transitions. Second operand 4 states. [2019-12-19 05:24:32,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:32,891 INFO L93 Difference]: Finished difference Result 68702 states and 259969 transitions. [2019-12-19 05:24:32,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 05:24:32,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2019-12-19 05:24:32,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:33,089 INFO L225 Difference]: With dead ends: 68702 [2019-12-19 05:24:33,090 INFO L226 Difference]: Without dead ends: 68702 [2019-12-19 05:24:33,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:24:33,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68702 states. [2019-12-19 05:24:34,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68702 to 55085. [2019-12-19 05:24:34,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55085 states. [2019-12-19 05:24:34,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55085 states to 55085 states and 209881 transitions. [2019-12-19 05:24:34,635 INFO L78 Accepts]: Start accepts. Automaton has 55085 states and 209881 transitions. Word has length 85 [2019-12-19 05:24:34,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:34,635 INFO L462 AbstractCegarLoop]: Abstraction has 55085 states and 209881 transitions. [2019-12-19 05:24:34,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:24:34,635 INFO L276 IsEmpty]: Start isEmpty. Operand 55085 states and 209881 transitions. [2019-12-19 05:24:34,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-19 05:24:34,685 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:34,685 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:24:34,685 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:24:34,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:34,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1638766974, now seen corresponding path program 1 times [2019-12-19 05:24:34,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:34,686 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933873184] [2019-12-19 05:24:34,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:34,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:24:34,769 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933873184] [2019-12-19 05:24:34,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:34,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-19 05:24:34,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858451491] [2019-12-19 05:24:34,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 05:24:34,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:34,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 05:24:34,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:24:34,770 INFO L87 Difference]: Start difference. First operand 55085 states and 209881 transitions. Second operand 8 states. [2019-12-19 05:24:36,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:36,182 INFO L93 Difference]: Finished difference Result 61619 states and 233164 transitions. [2019-12-19 05:24:36,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-12-19 05:24:36,189 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2019-12-19 05:24:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:36,333 INFO L225 Difference]: With dead ends: 61619 [2019-12-19 05:24:36,333 INFO L226 Difference]: Without dead ends: 61439 [2019-12-19 05:24:36,334 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2019-12-19 05:24:36,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61439 states. [2019-12-19 05:24:37,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61439 to 48596. [2019-12-19 05:24:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48596 states. [2019-12-19 05:24:37,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48596 states to 48596 states and 186082 transitions. [2019-12-19 05:24:37,741 INFO L78 Accepts]: Start accepts. Automaton has 48596 states and 186082 transitions. Word has length 85 [2019-12-19 05:24:37,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:24:37,741 INFO L462 AbstractCegarLoop]: Abstraction has 48596 states and 186082 transitions. [2019-12-19 05:24:37,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 05:24:37,741 INFO L276 IsEmpty]: Start isEmpty. Operand 48596 states and 186082 transitions. [2019-12-19 05:24:37,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-19 05:24:37,788 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:24:37,788 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:24:37,788 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:24:37,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:24:37,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1116744990, now seen corresponding path program 1 times [2019-12-19 05:24:37,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:24:37,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663698011] [2019-12-19 05:24:37,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:24:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:24:37,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:24:37,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663698011] [2019-12-19 05:24:37,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:24:37,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 05:24:37,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682488313] [2019-12-19 05:24:37,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 05:24:37,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:24:37,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 05:24:37,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 05:24:37,843 INFO L87 Difference]: Start difference. First operand 48596 states and 186082 transitions. Second operand 3 states. [2019-12-19 05:24:38,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:24:38,404 INFO L93 Difference]: Finished difference Result 52473 states and 200025 transitions. [2019-12-19 05:24:38,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 05:24:38,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-12-19 05:24:38,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:24:38,579 INFO L225 Difference]: With dead ends: 52473 [2019-12-19 05:24:38,579 INFO L226 Difference]: Without dead ends: 52473 [2019-12-19 05:24:38,581 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 [2019-12-19 05:24:38,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52473 states. Received shutdown request... [2019-12-19 05:24:39,358 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-19 05:24:39,362 WARN L227 ceAbstractionStarter]: Timeout [2019-12-19 05:24:39,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:24:39 BasicIcfg [2019-12-19 05:24:39,363 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:24:39,365 INFO L168 Benchmark]: Toolchain (without parser) took 183108.13 ms. Allocated memory was 137.4 MB in the beginning and 5.1 GB in the end (delta: 4.9 GB). Free memory was 99.0 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 3.3 GB. Max. memory is 7.1 GB. [2019-12-19 05:24:39,366 INFO L168 Benchmark]: CDTParser took 1.72 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-19 05:24:39,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.32 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 98.6 MB in the beginning and 156.5 MB in the end (delta: -57.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-12-19 05:24:39,371 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.44 ms. Allocated memory is still 202.4 MB. Free memory was 155.8 MB in the beginning and 153.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-19 05:24:39,374 INFO L168 Benchmark]: Boogie Preprocessor took 59.02 ms. Allocated memory is still 202.4 MB. Free memory was 153.1 MB in the beginning and 151.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-19 05:24:39,374 INFO L168 Benchmark]: RCFGBuilder took 816.82 ms. Allocated memory is still 202.4 MB. Free memory was 150.4 MB in the beginning and 104.7 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. [2019-12-19 05:24:39,377 INFO L168 Benchmark]: TraceAbstraction took 181420.59 ms. Allocated memory was 202.4 MB in the beginning and 5.1 GB in the end (delta: 4.9 GB). Free memory was 104.0 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-12-19 05:24:39,386 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72 ms. Allocated memory is still 137.4 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 735.32 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 98.6 MB in the beginning and 156.5 MB in the end (delta: -57.8 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.44 ms. Allocated memory is still 202.4 MB. Free memory was 155.8 MB in the beginning and 153.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.02 ms. Allocated memory is still 202.4 MB. Free memory was 153.1 MB in the beginning and 151.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 816.82 ms. Allocated memory is still 202.4 MB. Free memory was 150.4 MB in the beginning and 104.7 MB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 181420.59 ms. Allocated memory was 202.4 MB in the beginning and 5.1 GB in the end (delta: 4.9 GB). Free memory was 104.0 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 3.2 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 executing MinimizeSevpa. - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 152 locations, 2 error locations. Result: TIMEOUT, OverallTime: 181.2s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 79.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 4627 SDtfs, 5424 SDslu, 10791 SDs, 0 SdLazy, 4018 SolverSat, 284 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224436occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 76.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 265384 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 956 NumberOfCodeBlocks, 956 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 942 ConstructedInterpolants, 0 QuantifiedInterpolants, 134187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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