/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-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix042_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 02:31:33,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 02:31:33,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 02:31:33,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 02:31:33,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 02:31:33,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 02:31:33,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 02:31:33,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 02:31:33,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 02:31:33,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 02:31:33,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 02:31:33,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 02:31:33,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 02:31:33,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 02:31:33,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 02:31:33,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 02:31:33,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 02:31:33,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 02:31:33,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 02:31:33,156 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 02:31:33,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 02:31:33,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 02:31:33,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 02:31:33,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 02:31:33,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 02:31:33,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 02:31:33,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 02:31:33,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 02:31:33,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 02:31:33,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 02:31:33,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 02:31:33,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 02:31:33,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 02:31:33,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 02:31:33,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 02:31:33,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 02:31:33,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 02:31:33,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 02:31:33,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 02:31:33,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 02:31:33,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 02:31:33,182 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-MCR.epf [2019-12-28 02:31:33,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 02:31:33,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 02:31:33,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 02:31:33,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 02:31:33,210 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 02:31:33,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 02:31:33,210 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 02:31:33,210 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 02:31:33,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 02:31:33,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 02:31:33,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 02:31:33,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 02:31:33,211 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 02:31:33,211 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 02:31:33,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 02:31:33,212 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 02:31:33,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 02:31:33,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 02:31:33,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 02:31:33,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 02:31:33,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 02:31:33,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 02:31:33,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 02:31:33,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 02:31:33,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 02:31:33,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 02:31:33,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 02:31:33,214 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 02:31:33,214 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 02:31:33,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 02:31:33,215 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 02:31:33,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 02:31:33,478 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 02:31:33,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 02:31:33,503 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 02:31:33,504 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 02:31:33,506 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 02:31:33,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix042_pso.opt.i [2019-12-28 02:31:33,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fff1c4e5/de000c8ed89843df916cbf461bda138e/FLAG3a4512836 [2019-12-28 02:31:34,127 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 02:31:34,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042_pso.opt.i [2019-12-28 02:31:34,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fff1c4e5/de000c8ed89843df916cbf461bda138e/FLAG3a4512836 [2019-12-28 02:31:34,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fff1c4e5/de000c8ed89843df916cbf461bda138e [2019-12-28 02:31:34,433 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 02:31:34,435 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 02:31:34,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 02:31:34,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 02:31:34,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 02:31:34,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:31:34" (1/1) ... [2019-12-28 02:31:34,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd32435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:34, skipping insertion in model container [2019-12-28 02:31:34,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:31:34" (1/1) ... [2019-12-28 02:31:34,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 02:31:34,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 02:31:35,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 02:31:35,056 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 02:31:35,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 02:31:35,211 INFO L208 MainTranslator]: Completed translation [2019-12-28 02:31:35,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35 WrapperNode [2019-12-28 02:31:35,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 02:31:35,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 02:31:35,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 02:31:35,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 02:31:35,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (1/1) ... [2019-12-28 02:31:35,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (1/1) ... [2019-12-28 02:31:35,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 02:31:35,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 02:31:35,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 02:31:35,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 02:31:35,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (1/1) ... [2019-12-28 02:31:35,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (1/1) ... [2019-12-28 02:31:35,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (1/1) ... [2019-12-28 02:31:35,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (1/1) ... [2019-12-28 02:31:35,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (1/1) ... [2019-12-28 02:31:35,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (1/1) ... [2019-12-28 02:31:35,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (1/1) ... [2019-12-28 02:31:35,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 02:31:35,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 02:31:35,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 02:31:35,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 02:31:35,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (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 [2019-12-28 02:31:35,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 02:31:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 02:31:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 02:31:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 02:31:35,375 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 02:31:35,375 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 02:31:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 02:31:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 02:31:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 02:31:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 02:31:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 02:31:35,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 02:31:35,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 02:31:35,378 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 02:31:36,091 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 02:31:36,091 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 02:31:36,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:31:36 BoogieIcfgContainer [2019-12-28 02:31:36,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 02:31:36,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 02:31:36,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 02:31:36,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 02:31:36,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:31:34" (1/3) ... [2019-12-28 02:31:36,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f9ffe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:31:36, skipping insertion in model container [2019-12-28 02:31:36,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:35" (2/3) ... [2019-12-28 02:31:36,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f9ffe9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:31:36, skipping insertion in model container [2019-12-28 02:31:36,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:31:36" (3/3) ... [2019-12-28 02:31:36,107 INFO L109 eAbstractionObserver]: Analyzing ICFG mix042_pso.opt.i [2019-12-28 02:31:36,118 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 02:31:36,119 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 02:31:36,134 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 02:31:36,135 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 02:31:36,173 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,173 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,173 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,174 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,174 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,175 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,175 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,176 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,176 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,176 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,176 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,177 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,177 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,177 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,177 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,178 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,178 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,178 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,179 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,179 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,179 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,179 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,180 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,180 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,181 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,181 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,181 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,181 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,182 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,182 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,182 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,183 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,184 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,184 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,185 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,185 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,187 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,188 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,189 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,189 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,189 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,190 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,190 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,190 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,191 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,192 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,192 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,192 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,193 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,193 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,193 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,193 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,194 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,194 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,194 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,194 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,195 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,195 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,195 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,195 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,195 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,196 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,196 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,196 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,197 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,197 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,197 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,198 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,198 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,198 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,203 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,203 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,204 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,204 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,204 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,204 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,205 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,205 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,205 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,205 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,208 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,208 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,209 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,209 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,209 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,209 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,210 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,225 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,225 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,225 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,225 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,226 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,228 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,228 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,228 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,229 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:36,243 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-28 02:31:36,264 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 02:31:36,264 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 02:31:36,264 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 02:31:36,264 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 02:31:36,264 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 02:31:36,264 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 02:31:36,265 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 02:31:36,265 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 02:31:36,280 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 165 places, 196 transitions [2019-12-28 02:31:49,743 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92468 states. [2019-12-28 02:31:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 92468 states. [2019-12-28 02:31:49,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-28 02:31:49,766 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:31:49,770 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] [2019-12-28 02:31:49,771 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:31:49,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:31:49,777 INFO L82 PathProgramCache]: Analyzing trace with hash 2022116044, now seen corresponding path program 1 times [2019-12-28 02:31:49,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:31:49,789 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298254187] [2019-12-28 02:31:49,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:31:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:31:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:31:50,157 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298254187] [2019-12-28 02:31:50,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:31:50,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 02:31:50,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1176281032] [2019-12-28 02:31:50,161 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:31:50,172 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:31:50,204 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 48 states and 47 transitions. [2019-12-28 02:31:50,205 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:31:50,211 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:31:50,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 02:31:50,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:31:50,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 02:31:50,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 02:31:50,230 INFO L87 Difference]: Start difference. First operand 92468 states. Second operand 4 states. [2019-12-28 02:31:53,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:31:53,678 INFO L93 Difference]: Finished difference Result 96404 states and 448740 transitions. [2019-12-28 02:31:53,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 02:31:53,680 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-12-28 02:31:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:31:54,338 INFO L225 Difference]: With dead ends: 96404 [2019-12-28 02:31:54,339 INFO L226 Difference]: Without dead ends: 85524 [2019-12-28 02:31:54,343 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 [2019-12-28 02:31:55,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85524 states. [2019-12-28 02:31:59,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85524 to 85524. [2019-12-28 02:31:59,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85524 states. [2019-12-28 02:32:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85524 states to 85524 states and 400700 transitions. [2019-12-28 02:32:03,178 INFO L78 Accepts]: Start accepts. Automaton has 85524 states and 400700 transitions. Word has length 47 [2019-12-28 02:32:03,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:32:03,181 INFO L462 AbstractCegarLoop]: Abstraction has 85524 states and 400700 transitions. [2019-12-28 02:32:03,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 02:32:03,181 INFO L276 IsEmpty]: Start isEmpty. Operand 85524 states and 400700 transitions. [2019-12-28 02:32:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-28 02:32:03,198 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:03,198 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:32:03,199 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:03,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:03,199 INFO L82 PathProgramCache]: Analyzing trace with hash 284606610, now seen corresponding path program 1 times [2019-12-28 02:32:03,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:03,200 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319764760] [2019-12-28 02:32:03,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:03,351 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319764760] [2019-12-28 02:32:03,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:03,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 02:32:03,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1206542475] [2019-12-28 02:32:03,352 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:03,359 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:03,368 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 83 states and 110 transitions. [2019-12-28 02:32:03,369 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:03,421 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 02:32:03,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 02:32:03,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:03,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 02:32:03,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-28 02:32:03,424 INFO L87 Difference]: Start difference. First operand 85524 states and 400700 transitions. Second operand 6 states. [2019-12-28 02:32:05,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:05,954 INFO L93 Difference]: Finished difference Result 139652 states and 623536 transitions. [2019-12-28 02:32:05,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 02:32:05,954 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-12-28 02:32:05,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:32:06,696 INFO L225 Difference]: With dead ends: 139652 [2019-12-28 02:32:06,696 INFO L226 Difference]: Without dead ends: 138932 [2019-12-28 02:32:06,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-28 02:32:07,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138932 states. [2019-12-28 02:32:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138932 to 132788. [2019-12-28 02:32:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132788 states. [2019-12-28 02:32:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132788 states to 132788 states and 597164 transitions. [2019-12-28 02:32:15,657 INFO L78 Accepts]: Start accepts. Automaton has 132788 states and 597164 transitions. Word has length 54 [2019-12-28 02:32:15,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:32:15,657 INFO L462 AbstractCegarLoop]: Abstraction has 132788 states and 597164 transitions. [2019-12-28 02:32:15,658 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 02:32:15,658 INFO L276 IsEmpty]: Start isEmpty. Operand 132788 states and 597164 transitions. [2019-12-28 02:32:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-28 02:32:15,670 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:15,670 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] [2019-12-28 02:32:15,671 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:15,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:15,671 INFO L82 PathProgramCache]: Analyzing trace with hash 800559772, now seen corresponding path program 1 times [2019-12-28 02:32:15,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:15,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086912069] [2019-12-28 02:32:15,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:15,806 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086912069] [2019-12-28 02:32:15,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:15,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 02:32:15,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [608419038] [2019-12-28 02:32:15,807 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:15,813 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:15,820 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 56 states and 55 transitions. [2019-12-28 02:32:15,821 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:15,821 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:32:15,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 02:32:15,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:15,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 02:32:15,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 02:32:15,823 INFO L87 Difference]: Start difference. First operand 132788 states and 597164 transitions. Second operand 5 states. [2019-12-28 02:32:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:22,205 INFO L93 Difference]: Finished difference Result 161556 states and 717784 transitions. [2019-12-28 02:32:22,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 02:32:22,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2019-12-28 02:32:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:32:22,820 INFO L225 Difference]: With dead ends: 161556 [2019-12-28 02:32:22,820 INFO L226 Difference]: Without dead ends: 160756 [2019-12-28 02:32:22,821 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 [2019-12-28 02:32:24,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160756 states. [2019-12-28 02:32:27,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160756 to 139080. [2019-12-28 02:32:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139080 states. [2019-12-28 02:32:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139080 states to 139080 states and 623067 transitions. [2019-12-28 02:32:27,652 INFO L78 Accepts]: Start accepts. Automaton has 139080 states and 623067 transitions. Word has length 55 [2019-12-28 02:32:27,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:32:27,653 INFO L462 AbstractCegarLoop]: Abstraction has 139080 states and 623067 transitions. [2019-12-28 02:32:27,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 02:32:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 139080 states and 623067 transitions. [2019-12-28 02:32:27,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-28 02:32:27,693 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:27,693 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] [2019-12-28 02:32:27,693 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:27,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:27,693 INFO L82 PathProgramCache]: Analyzing trace with hash 157601474, now seen corresponding path program 1 times [2019-12-28 02:32:27,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:27,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723436758] [2019-12-28 02:32:27,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:27,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:27,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723436758] [2019-12-28 02:32:27,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:27,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 02:32:27,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [630680842] [2019-12-28 02:32:27,809 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:27,817 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:27,827 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 67 states and 70 transitions. [2019-12-28 02:32:27,828 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:27,828 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:32:27,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 02:32:27,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:27,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 02:32:27,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 02:32:27,829 INFO L87 Difference]: Start difference. First operand 139080 states and 623067 transitions. Second operand 6 states. [2019-12-28 02:32:36,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:36,643 INFO L93 Difference]: Finished difference Result 183584 states and 805093 transitions. [2019-12-28 02:32:36,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-28 02:32:36,643 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-12-28 02:32:36,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:32:37,265 INFO L225 Difference]: With dead ends: 183584 [2019-12-28 02:32:37,266 INFO L226 Difference]: Without dead ends: 182864 [2019-12-28 02:32:37,266 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 [2019-12-28 02:32:38,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182864 states. [2019-12-28 02:32:40,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182864 to 134932. [2019-12-28 02:32:40,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134932 states. [2019-12-28 02:32:41,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134932 states to 134932 states and 604576 transitions. [2019-12-28 02:32:41,913 INFO L78 Accepts]: Start accepts. Automaton has 134932 states and 604576 transitions. Word has length 62 [2019-12-28 02:32:41,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:32:41,914 INFO L462 AbstractCegarLoop]: Abstraction has 134932 states and 604576 transitions. [2019-12-28 02:32:41,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 02:32:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 134932 states and 604576 transitions. [2019-12-28 02:32:41,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-28 02:32:41,994 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:41,995 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] [2019-12-28 02:32:41,995 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:41,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:41,995 INFO L82 PathProgramCache]: Analyzing trace with hash -645603360, now seen corresponding path program 1 times [2019-12-28 02:32:41,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:41,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381557228] [2019-12-28 02:32:41,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:42,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381557228] [2019-12-28 02:32:42,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:42,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 02:32:42,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [23186415] [2019-12-28 02:32:42,150 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:42,165 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:42,183 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 70 states and 69 transitions. [2019-12-28 02:32:42,184 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:42,184 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:32:42,185 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 02:32:42,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:42,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 02:32:42,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 02:32:42,186 INFO L87 Difference]: Start difference. First operand 134932 states and 604576 transitions. Second operand 6 states. [2019-12-28 02:32:48,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:48,411 INFO L93 Difference]: Finished difference Result 185116 states and 812730 transitions. [2019-12-28 02:32:48,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 02:32:48,411 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2019-12-28 02:32:48,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:32:49,010 INFO L225 Difference]: With dead ends: 185116 [2019-12-28 02:32:49,010 INFO L226 Difference]: Without dead ends: 183916 [2019-12-28 02:32:49,011 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 [2019-12-28 02:32:50,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183916 states. [2019-12-28 02:32:53,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183916 to 160432. [2019-12-28 02:32:53,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160432 states. [2019-12-28 02:32:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160432 states to 160432 states and 711517 transitions. [2019-12-28 02:32:54,892 INFO L78 Accepts]: Start accepts. Automaton has 160432 states and 711517 transitions. Word has length 69 [2019-12-28 02:32:54,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:32:54,892 INFO L462 AbstractCegarLoop]: Abstraction has 160432 states and 711517 transitions. [2019-12-28 02:32:54,893 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 02:32:54,893 INFO L276 IsEmpty]: Start isEmpty. Operand 160432 states and 711517 transitions. [2019-12-28 02:32:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-28 02:32:55,002 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:55,002 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] [2019-12-28 02:32:55,002 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:55,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:55,003 INFO L82 PathProgramCache]: Analyzing trace with hash -863372556, now seen corresponding path program 1 times [2019-12-28 02:32:55,003 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:55,004 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109458602] [2019-12-28 02:32:55,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:55,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109458602] [2019-12-28 02:32:55,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:55,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 02:32:55,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1759602572] [2019-12-28 02:32:55,091 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:55,104 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:55,124 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 72 states and 71 transitions. [2019-12-28 02:32:55,124 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:55,124 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:32:55,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 02:32:55,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:55,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 02:32:55,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 02:32:55,126 INFO L87 Difference]: Start difference. First operand 160432 states and 711517 transitions. Second operand 3 states. [2019-12-28 02:32:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:57,883 INFO L93 Difference]: Finished difference Result 202240 states and 884077 transitions. [2019-12-28 02:32:57,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 02:32:57,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2019-12-28 02:32:57,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:32:58,559 INFO L225 Difference]: With dead ends: 202240 [2019-12-28 02:32:58,560 INFO L226 Difference]: Without dead ends: 202240 [2019-12-28 02:32:58,560 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 [2019-12-28 02:33:07,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202240 states. [2019-12-28 02:33:10,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202240 to 176152. [2019-12-28 02:33:10,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176152 states. [2019-12-28 02:33:10,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176152 states to 176152 states and 777059 transitions. [2019-12-28 02:33:10,866 INFO L78 Accepts]: Start accepts. Automaton has 176152 states and 777059 transitions. Word has length 71 [2019-12-28 02:33:10,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:33:10,866 INFO L462 AbstractCegarLoop]: Abstraction has 176152 states and 777059 transitions. [2019-12-28 02:33:10,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-28 02:33:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 176152 states and 777059 transitions. [2019-12-28 02:33:12,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 02:33:12,222 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:33:12,223 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] [2019-12-28 02:33:12,223 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:33:12,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:33:12,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1791212561, now seen corresponding path program 1 times [2019-12-28 02:33:12,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:33:12,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288544856] [2019-12-28 02:33:12,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:33:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:33:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:33:12,327 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288544856] [2019-12-28 02:33:12,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:33:12,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 02:33:12,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [913170168] [2019-12-28 02:33:12,327 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:33:12,339 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:33:12,359 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 76 states and 75 transitions. [2019-12-28 02:33:12,359 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:33:12,359 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:33:12,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 02:33:12,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:33:12,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 02:33:12,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 02:33:12,361 INFO L87 Difference]: Start difference. First operand 176152 states and 777059 transitions. Second operand 7 states. [2019-12-28 02:33:21,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:33:21,112 INFO L93 Difference]: Finished difference Result 224104 states and 971735 transitions. [2019-12-28 02:33:21,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 02:33:21,112 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-28 02:33:21,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:33:21,913 INFO L225 Difference]: With dead ends: 224104 [2019-12-28 02:33:21,913 INFO L226 Difference]: Without dead ends: 222904 [2019-12-28 02:33:21,914 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-28 02:33:22,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222904 states. [2019-12-28 02:33:27,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222904 to 180728. [2019-12-28 02:33:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180728 states. [2019-12-28 02:33:27,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180728 states to 180728 states and 796151 transitions. [2019-12-28 02:33:27,852 INFO L78 Accepts]: Start accepts. Automaton has 180728 states and 796151 transitions. Word has length 75 [2019-12-28 02:33:27,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:33:27,852 INFO L462 AbstractCegarLoop]: Abstraction has 180728 states and 796151 transitions. [2019-12-28 02:33:27,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 02:33:27,852 INFO L276 IsEmpty]: Start isEmpty. Operand 180728 states and 796151 transitions. [2019-12-28 02:33:28,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-28 02:33:28,012 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:33:28,012 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] [2019-12-28 02:33:28,012 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:33:28,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:33:28,013 INFO L82 PathProgramCache]: Analyzing trace with hash -2126066434, now seen corresponding path program 1 times [2019-12-28 02:33:28,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:33:28,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574752679] [2019-12-28 02:33:28,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:33:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:33:28,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:33:28,123 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574752679] [2019-12-28 02:33:28,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:33:28,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 02:33:28,123 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [862462458] [2019-12-28 02:33:28,123 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:33:28,136 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:33:28,163 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 95 states and 103 transitions. [2019-12-28 02:33:28,163 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:33:28,164 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:33:28,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 02:33:28,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:33:28,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 02:33:28,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 02:33:28,165 INFO L87 Difference]: Start difference. First operand 180728 states and 796151 transitions. Second operand 5 states. [2019-12-28 02:33:38,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:33:38,199 INFO L93 Difference]: Finished difference Result 518044 states and 2309890 transitions. [2019-12-28 02:33:38,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 02:33:38,200 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-12-28 02:33:38,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:33:50,532 INFO L225 Difference]: With dead ends: 518044 [2019-12-28 02:33:50,533 INFO L226 Difference]: Without dead ends: 518044 [2019-12-28 02:33:50,533 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 02:33:52,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518044 states. [2019-12-28 02:33:59,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518044 to 223128. [2019-12-28 02:33:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223128 states. [2019-12-28 02:34:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223128 states to 223128 states and 983327 transitions. [2019-12-28 02:34:01,537 INFO L78 Accepts]: Start accepts. Automaton has 223128 states and 983327 transitions. Word has length 76 [2019-12-28 02:34:01,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:34:01,537 INFO L462 AbstractCegarLoop]: Abstraction has 223128 states and 983327 transitions. [2019-12-28 02:34:01,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 02:34:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 223128 states and 983327 transitions. [2019-12-28 02:34:01,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-28 02:34:01,797 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:34:01,797 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] [2019-12-28 02:34:01,797 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:34:01,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:34:01,797 INFO L82 PathProgramCache]: Analyzing trace with hash -383256099, now seen corresponding path program 1 times [2019-12-28 02:34:01,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:34:01,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066390660] [2019-12-28 02:34:01,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:34:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:34:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:34:01,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066390660] [2019-12-28 02:34:01,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:34:01,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 02:34:01,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2127776950] [2019-12-28 02:34:01,907 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:34:01,921 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:34:01,944 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 86 states and 92 transitions. [2019-12-28 02:34:01,944 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:34:01,945 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:34:01,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 02:34:01,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:34:01,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 02:34:01,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 02:34:01,946 INFO L87 Difference]: Start difference. First operand 223128 states and 983327 transitions. Second operand 7 states. [2019-12-28 02:34:11,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:34:11,008 INFO L93 Difference]: Finished difference Result 264184 states and 1148531 transitions. [2019-12-28 02:34:11,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 02:34:11,009 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2019-12-28 02:34:11,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:34:12,673 INFO L225 Difference]: With dead ends: 264184 [2019-12-28 02:34:12,673 INFO L226 Difference]: Without dead ends: 263184 [2019-12-28 02:34:12,673 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 [2019-12-28 02:34:13,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263184 states. [2019-12-28 02:34:18,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263184 to 226216. [2019-12-28 02:34:18,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226216 states. [2019-12-28 02:34:21,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226216 states to 226216 states and 995803 transitions. [2019-12-28 02:34:21,293 INFO L78 Accepts]: Start accepts. Automaton has 226216 states and 995803 transitions. Word has length 76 [2019-12-28 02:34:21,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:34:21,294 INFO L462 AbstractCegarLoop]: Abstraction has 226216 states and 995803 transitions. [2019-12-28 02:34:21,294 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 02:34:21,294 INFO L276 IsEmpty]: Start isEmpty. Operand 226216 states and 995803 transitions. [2019-12-28 02:34:21,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-28 02:34:21,595 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:34:21,595 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] [2019-12-28 02:34:21,596 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:34:21,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:34:21,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1057305479, now seen corresponding path program 1 times [2019-12-28 02:34:21,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:34:21,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763489500] [2019-12-28 02:34:21,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:34:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:34:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:34:21,708 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763489500] [2019-12-28 02:34:21,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:34:21,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 02:34:21,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [515413541] [2019-12-28 02:34:21,709 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:34:21,724 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:34:21,751 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 81 states and 82 transitions. [2019-12-28 02:34:21,751 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:34:21,752 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:34:21,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 02:34:21,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:34:21,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 02:34:21,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-28 02:34:21,753 INFO L87 Difference]: Start difference. First operand 226216 states and 995803 transitions. Second operand 6 states. [2019-12-28 02:34:31,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:34:31,163 INFO L93 Difference]: Finished difference Result 308424 states and 1349959 transitions. [2019-12-28 02:34:31,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 02:34:31,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-12-28 02:34:31,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:34:32,948 INFO L225 Difference]: With dead ends: 308424 [2019-12-28 02:34:32,948 INFO L226 Difference]: Without dead ends: 305848 [2019-12-28 02:34:32,948 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 [2019-12-28 02:34:34,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305848 states. Received shutdown request... [2019-12-28 02:34:40,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305848 to 263956. [2019-12-28 02:34:40,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263956 states. [2019-12-28 02:34:40,435 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-28 02:34:40,440 WARN L227 ceAbstractionStarter]: Timeout [2019-12-28 02:34:40,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 02:34:40 BasicIcfg [2019-12-28 02:34:40,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 02:34:40,443 INFO L168 Benchmark]: Toolchain (without parser) took 186007.67 ms. Allocated memory was 146.3 MB in the beginning and 4.6 GB in the end (delta: 4.5 GB). Free memory was 102.7 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2019-12-28 02:34:40,444 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-28 02:34:40,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.78 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.2 MB in the beginning and 158.0 MB in the end (delta: -55.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-12-28 02:34:40,445 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.75 ms. Allocated memory is still 204.5 MB. Free memory was 158.0 MB in the beginning and 155.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-28 02:34:40,446 INFO L168 Benchmark]: Boogie Preprocessor took 37.94 ms. Allocated memory is still 204.5 MB. Free memory was 155.4 MB in the beginning and 152.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-28 02:34:40,447 INFO L168 Benchmark]: RCFGBuilder took 777.57 ms. Allocated memory is still 204.5 MB. Free memory was 152.8 MB in the beginning and 106.0 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. [2019-12-28 02:34:40,448 INFO L168 Benchmark]: TraceAbstraction took 184345.83 ms. Allocated memory was 204.5 MB in the beginning and 4.6 GB in the end (delta: 4.4 GB). Free memory was 105.4 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2019-12-28 02:34:40,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 775.78 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 102.2 MB in the beginning and 158.0 MB in the end (delta: -55.8 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 65.75 ms. Allocated memory is still 204.5 MB. Free memory was 158.0 MB in the beginning and 155.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.94 ms. Allocated memory is still 204.5 MB. Free memory was 155.4 MB in the beginning and 152.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 777.57 ms. Allocated memory is still 204.5 MB. Free memory was 152.8 MB in the beginning and 106.0 MB in the end (delta: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 184345.83 ms. Allocated memory was 204.5 MB in the beginning and 4.6 GB in the end (delta: 4.4 GB). Free memory was 105.4 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 3.4 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 ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 156 locations, 2 error locations. Result: TIMEOUT, OverallTime: 184.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 87.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3483 SDtfs, 4577 SDslu, 8114 SDs, 0 SdLazy, 3379 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226216occurred 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: 78.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 499384 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 653 ConstructedInterpolants, 0 QuantifiedInterpolants, 97734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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