/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix045_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 02:49:35,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 02:49:35,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 02:49:35,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 02:49:35,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 02:49:35,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 02:49:35,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 02:49:35,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 02:49:35,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 02:49:35,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 02:49:35,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 02:49:35,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 02:49:35,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 02:49:35,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 02:49:35,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 02:49:35,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 02:49:35,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 02:49:35,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 02:49:35,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 02:49:35,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 02:49:35,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 02:49:35,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 02:49:35,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 02:49:35,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 02:49:35,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-19 02:49:35,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 02:49:35,292 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 02:49:35,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 02:49:35,294 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 02:49:35,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 02:49:35,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 02:49:35,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 02:49:35,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 02:49:35,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 02:49:35,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 02:49:35,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 02:49:35,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-19 02:49:35,327 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 02:49:35,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 02:49:35,328 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 02:49:35,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 02:49:35,329 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 02:49:35,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 02:49:35,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 02:49:35,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 02:49:35,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 02:49:35,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 02:49:35,330 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 02:49:35,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 02:49:35,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 02:49:35,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 02:49:35,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 02:49:35,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 02:49:35,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 02:49:35,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 02:49:35,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 02:49:35,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 02:49:35,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 02:49:35,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 02:49:35,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 02:49:35,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 02:49:35,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 02:49:35,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 02:49:35,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 02:49:35,333 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 02:49:35,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 02:49:35,334 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 02:49:35,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 02:49:35,603 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 02:49:35,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 02:49:35,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 02:49:35,608 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 02:49:35,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix045_tso.oepc.i [2019-12-19 02:49:35,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ac001955/e942b94adcb042959e075a32b2c49a7d/FLAG4cc20d1b9 [2019-12-19 02:49:36,269 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 02:49:36,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix045_tso.oepc.i [2019-12-19 02:49:36,285 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ac001955/e942b94adcb042959e075a32b2c49a7d/FLAG4cc20d1b9 [2019-12-19 02:49:36,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ac001955/e942b94adcb042959e075a32b2c49a7d [2019-12-19 02:49:36,543 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 02:49:36,545 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 02:49:36,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 02:49:36,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 02:49:36,549 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 02:49:36,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:49:36" (1/1) ... [2019-12-19 02:49:36,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75cc43a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:36, skipping insertion in model container [2019-12-19 02:49:36,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:49:36" (1/1) ... [2019-12-19 02:49:36,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 02:49:36,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 02:49:37,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 02:49:37,188 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 02:49:37,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 02:49:37,346 INFO L208 MainTranslator]: Completed translation [2019-12-19 02:49:37,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37 WrapperNode [2019-12-19 02:49:37,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 02:49:37,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 02:49:37,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 02:49:37,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 02:49:37,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... [2019-12-19 02:49:37,380 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... [2019-12-19 02:49:37,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 02:49:37,424 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 02:49:37,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 02:49:37,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 02:49:37,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... [2019-12-19 02:49:37,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... [2019-12-19 02:49:37,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... [2019-12-19 02:49:37,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... [2019-12-19 02:49:37,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... [2019-12-19 02:49:37,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... [2019-12-19 02:49:37,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... [2019-12-19 02:49:37,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 02:49:37,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 02:49:37,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 02:49:37,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 02:49:37,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 02:49:37,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 02:49:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 02:49:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 02:49:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 02:49:37,536 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 02:49:37,536 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 02:49:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 02:49:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 02:49:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 02:49:37,537 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 02:49:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 02:49:37,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 02:49:37,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 02:49:37,540 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 02:49:38,269 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 02:49:38,270 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-19 02:49:38,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:49:38 BoogieIcfgContainer [2019-12-19 02:49:38,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 02:49:38,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 02:49:38,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 02:49:38,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 02:49:38,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 02:49:36" (1/3) ... [2019-12-19 02:49:38,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e489e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:49:38, skipping insertion in model container [2019-12-19 02:49:38,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:49:37" (2/3) ... [2019-12-19 02:49:38,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e489e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:49:38, skipping insertion in model container [2019-12-19 02:49:38,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:49:38" (3/3) ... [2019-12-19 02:49:38,281 INFO L109 eAbstractionObserver]: Analyzing ICFG mix045_tso.oepc.i [2019-12-19 02:49:38,291 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 02:49:38,292 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 02:49:38,300 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-19 02:49:38,301 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 02:49:38,337 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,337 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,337 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,338 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,338 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,338 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,339 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,339 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,340 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,340 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,340 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,340 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,341 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,341 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,341 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,341 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,342 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,342 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,342 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,343 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,343 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,343 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,343 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,346 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,347 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,348 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,348 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,348 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,348 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,349 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,349 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,349 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,349 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,350 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,351 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,351 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,351 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,351 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,351 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,352 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,352 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,353 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,353 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,353 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,353 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,354 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,354 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,354 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,354 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,355 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,355 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,355 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,355 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,356 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,356 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,356 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,356 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,357 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,358 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,358 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,358 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,358 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,359 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,363 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,363 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,363 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,364 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,364 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,364 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,364 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,365 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,365 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,365 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,365 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,365 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,368 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,369 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,369 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,369 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,372 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,387 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,387 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,388 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,388 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,388 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,388 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,388 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,389 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,389 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 02:49:38,406 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-19 02:49:38,424 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 02:49:38,424 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 02:49:38,424 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 02:49:38,425 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 02:49:38,425 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 02:49:38,425 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 02:49:38,425 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 02:49:38,425 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 02:49:38,441 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 164 places, 195 transitions [2019-12-19 02:49:51,344 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92467 states. [2019-12-19 02:49:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand 92467 states. [2019-12-19 02:49:51,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-19 02:49:51,360 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:49:51,361 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:49:51,362 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:49:51,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:49:51,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1399349606, now seen corresponding path program 1 times [2019-12-19 02:49:51,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:49:51,379 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525383104] [2019-12-19 02:49:51,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:49:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:49:51,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:49:51,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525383104] [2019-12-19 02:49:51,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:49:51,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 02:49:51,711 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473171859] [2019-12-19 02:49:51,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 02:49:51,716 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:49:51,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 02:49:51,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 02:49:51,734 INFO L87 Difference]: Start difference. First operand 92467 states. Second operand 4 states. [2019-12-19 02:49:53,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:49:53,269 INFO L93 Difference]: Finished difference Result 96403 states and 448739 transitions. [2019-12-19 02:49:53,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-19 02:49:53,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 46 [2019-12-19 02:49:53,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:49:56,751 INFO L225 Difference]: With dead ends: 96403 [2019-12-19 02:49:56,751 INFO L226 Difference]: Without dead ends: 85523 [2019-12-19 02:49:56,755 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 02:49:57,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85523 states. [2019-12-19 02:50:00,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85523 to 85523. [2019-12-19 02:50:00,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85523 states. [2019-12-19 02:50:00,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85523 states to 85523 states and 400699 transitions. [2019-12-19 02:50:00,589 INFO L78 Accepts]: Start accepts. Automaton has 85523 states and 400699 transitions. Word has length 46 [2019-12-19 02:50:00,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 02:50:00,590 INFO L462 AbstractCegarLoop]: Abstraction has 85523 states and 400699 transitions. [2019-12-19 02:50:00,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 02:50:00,590 INFO L276 IsEmpty]: Start isEmpty. Operand 85523 states and 400699 transitions. [2019-12-19 02:50:00,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-19 02:50:00,606 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:50:00,607 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:50:00,607 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:50:00,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:50:00,608 INFO L82 PathProgramCache]: Analyzing trace with hash -15854826, now seen corresponding path program 1 times [2019-12-19 02:50:00,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:50:00,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051927157] [2019-12-19 02:50:00,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:50:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:50:00,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:50:00,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051927157] [2019-12-19 02:50:00,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:50:00,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 02:50:00,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125652634] [2019-12-19 02:50:00,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 02:50:00,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:50:00,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 02:50:00,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 02:50:00,795 INFO L87 Difference]: Start difference. First operand 85523 states and 400699 transitions. Second operand 5 states. [2019-12-19 02:50:05,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:50:05,464 INFO L93 Difference]: Finished difference Result 139651 states and 623535 transitions. [2019-12-19 02:50:05,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 02:50:05,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-12-19 02:50:05,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:50:06,677 INFO L225 Difference]: With dead ends: 139651 [2019-12-19 02:50:06,677 INFO L226 Difference]: Without dead ends: 138931 [2019-12-19 02:50:06,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 02:50:07,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138931 states. [2019-12-19 02:50:13,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138931 to 132787. [2019-12-19 02:50:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132787 states. [2019-12-19 02:50:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132787 states to 132787 states and 597163 transitions. [2019-12-19 02:50:13,814 INFO L78 Accepts]: Start accepts. Automaton has 132787 states and 597163 transitions. Word has length 53 [2019-12-19 02:50:13,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 02:50:13,815 INFO L462 AbstractCegarLoop]: Abstraction has 132787 states and 597163 transitions. [2019-12-19 02:50:13,815 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 02:50:13,815 INFO L276 IsEmpty]: Start isEmpty. Operand 132787 states and 597163 transitions. [2019-12-19 02:50:13,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-19 02:50:13,824 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:50:13,824 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] [2019-12-19 02:50:13,825 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:50:13,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:50:13,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1946503039, now seen corresponding path program 1 times [2019-12-19 02:50:13,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:50:13,826 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576405612] [2019-12-19 02:50:13,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:50:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:50:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:50:18,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576405612] [2019-12-19 02:50:18,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:50:18,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 02:50:18,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334057663] [2019-12-19 02:50:18,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 02:50:18,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:50:18,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 02:50:18,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-19 02:50:18,708 INFO L87 Difference]: Start difference. First operand 132787 states and 597163 transitions. Second operand 5 states. [2019-12-19 02:50:19,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:50:19,943 INFO L93 Difference]: Finished difference Result 161555 states and 717783 transitions. [2019-12-19 02:50:19,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 02:50:19,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2019-12-19 02:50:19,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:50:21,162 INFO L225 Difference]: With dead ends: 161555 [2019-12-19 02:50:21,162 INFO L226 Difference]: Without dead ends: 160755 [2019-12-19 02:50:21,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 02:50:21,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160755 states. [2019-12-19 02:50:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160755 to 139079. [2019-12-19 02:50:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139079 states. [2019-12-19 02:50:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139079 states to 139079 states and 623066 transitions. [2019-12-19 02:50:26,002 INFO L78 Accepts]: Start accepts. Automaton has 139079 states and 623066 transitions. Word has length 54 [2019-12-19 02:50:26,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 02:50:26,003 INFO L462 AbstractCegarLoop]: Abstraction has 139079 states and 623066 transitions. [2019-12-19 02:50:26,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 02:50:26,003 INFO L276 IsEmpty]: Start isEmpty. Operand 139079 states and 623066 transitions. [2019-12-19 02:50:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-12-19 02:50:26,040 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:50:26,041 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:50:26,041 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:50:26,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:50:26,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1620706159, now seen corresponding path program 1 times [2019-12-19 02:50:26,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:50:26,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128482049] [2019-12-19 02:50:26,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:50:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:50:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:50:26,167 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128482049] [2019-12-19 02:50:26,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:50:26,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 02:50:26,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997198503] [2019-12-19 02:50:26,168 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 02:50:26,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:50:26,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 02:50:26,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 02:50:26,169 INFO L87 Difference]: Start difference. First operand 139079 states and 623066 transitions. Second operand 6 states. [2019-12-19 02:50:29,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:50:29,003 INFO L93 Difference]: Finished difference Result 183583 states and 805092 transitions. [2019-12-19 02:50:29,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-19 02:50:29,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2019-12-19 02:50:29,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:50:29,587 INFO L225 Difference]: With dead ends: 183583 [2019-12-19 02:50:29,588 INFO L226 Difference]: Without dead ends: 182863 [2019-12-19 02:50:29,588 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-19 02:50:37,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182863 states. [2019-12-19 02:50:39,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182863 to 134931. [2019-12-19 02:50:39,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134931 states. [2019-12-19 02:50:40,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134931 states to 134931 states and 604575 transitions. [2019-12-19 02:50:40,187 INFO L78 Accepts]: Start accepts. Automaton has 134931 states and 604575 transitions. Word has length 61 [2019-12-19 02:50:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 02:50:40,187 INFO L462 AbstractCegarLoop]: Abstraction has 134931 states and 604575 transitions. [2019-12-19 02:50:40,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 02:50:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 134931 states and 604575 transitions. [2019-12-19 02:50:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-19 02:50:40,264 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:50:40,265 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:50:40,265 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:50:40,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:50:40,265 INFO L82 PathProgramCache]: Analyzing trace with hash 92553995, now seen corresponding path program 1 times [2019-12-19 02:50:40,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:50:40,266 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027830677] [2019-12-19 02:50:40,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:50:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:50:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:50:40,376 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027830677] [2019-12-19 02:50:40,376 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:50:40,376 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 02:50:40,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927200816] [2019-12-19 02:50:40,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 02:50:40,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:50:40,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 02:50:40,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-19 02:50:40,378 INFO L87 Difference]: Start difference. First operand 134931 states and 604575 transitions. Second operand 6 states. [2019-12-19 02:50:46,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:50:46,470 INFO L93 Difference]: Finished difference Result 185115 states and 812729 transitions. [2019-12-19 02:50:46,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-19 02:50:46,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-12-19 02:50:46,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:50:47,066 INFO L225 Difference]: With dead ends: 185115 [2019-12-19 02:50:47,066 INFO L226 Difference]: Without dead ends: 183915 [2019-12-19 02:50:47,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-19 02:50:48,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183915 states. [2019-12-19 02:50:55,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183915 to 160431. [2019-12-19 02:50:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160431 states. [2019-12-19 02:50:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160431 states to 160431 states and 711516 transitions. [2019-12-19 02:50:56,081 INFO L78 Accepts]: Start accepts. Automaton has 160431 states and 711516 transitions. Word has length 68 [2019-12-19 02:50:56,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 02:50:56,081 INFO L462 AbstractCegarLoop]: Abstraction has 160431 states and 711516 transitions. [2019-12-19 02:50:56,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 02:50:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 160431 states and 711516 transitions. [2019-12-19 02:50:56,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-19 02:50:56,177 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:50:56,178 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:50:56,178 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:50:56,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:50:56,178 INFO L82 PathProgramCache]: Analyzing trace with hash -155089124, now seen corresponding path program 1 times [2019-12-19 02:50:56,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:50:56,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250297122] [2019-12-19 02:50:56,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:50:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:50:56,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:50:56,231 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250297122] [2019-12-19 02:50:56,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:50:56,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-19 02:50:56,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670504860] [2019-12-19 02:50:56,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-19 02:50:56,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:50:56,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-19 02:50:56,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 02:50:56,233 INFO L87 Difference]: Start difference. First operand 160431 states and 711516 transitions. Second operand 3 states. [2019-12-19 02:50:58,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:50:58,429 INFO L93 Difference]: Finished difference Result 202239 states and 884076 transitions. [2019-12-19 02:50:58,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-19 02:50:58,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2019-12-19 02:50:58,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:50:59,107 INFO L225 Difference]: With dead ends: 202239 [2019-12-19 02:50:59,107 INFO L226 Difference]: Without dead ends: 202239 [2019-12-19 02:50:59,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-19 02:51:07,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202239 states. [2019-12-19 02:51:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202239 to 176151. [2019-12-19 02:51:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176151 states. [2019-12-19 02:51:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176151 states to 176151 states and 777058 transitions. [2019-12-19 02:51:12,605 INFO L78 Accepts]: Start accepts. Automaton has 176151 states and 777058 transitions. Word has length 70 [2019-12-19 02:51:12,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 02:51:12,606 INFO L462 AbstractCegarLoop]: Abstraction has 176151 states and 777058 transitions. [2019-12-19 02:51:12,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-19 02:51:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand 176151 states and 777058 transitions. [2019-12-19 02:51:12,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-19 02:51:12,782 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:51:12,783 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:51:12,783 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:51:12,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:51:12,783 INFO L82 PathProgramCache]: Analyzing trace with hash -915433476, now seen corresponding path program 1 times [2019-12-19 02:51:12,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:51:12,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494917443] [2019-12-19 02:51:12,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:51:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:51:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:51:12,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494917443] [2019-12-19 02:51:12,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:51:12,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 02:51:12,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513986955] [2019-12-19 02:51:12,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 02:51:12,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:51:12,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 02:51:12,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 02:51:12,878 INFO L87 Difference]: Start difference. First operand 176151 states and 777058 transitions. Second operand 7 states. [2019-12-19 02:51:21,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:51:21,506 INFO L93 Difference]: Finished difference Result 224103 states and 971734 transitions. [2019-12-19 02:51:21,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 02:51:21,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2019-12-19 02:51:21,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:51:22,308 INFO L225 Difference]: With dead ends: 224103 [2019-12-19 02:51:22,308 INFO L226 Difference]: Without dead ends: 222903 [2019-12-19 02:51:22,309 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 [2019-12-19 02:51:23,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222903 states. [2019-12-19 02:51:27,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222903 to 180727. [2019-12-19 02:51:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180727 states. [2019-12-19 02:51:28,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180727 states to 180727 states and 796150 transitions. [2019-12-19 02:51:28,580 INFO L78 Accepts]: Start accepts. Automaton has 180727 states and 796150 transitions. Word has length 74 [2019-12-19 02:51:28,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 02:51:28,581 INFO L462 AbstractCegarLoop]: Abstraction has 180727 states and 796150 transitions. [2019-12-19 02:51:28,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 02:51:28,581 INFO L276 IsEmpty]: Start isEmpty. Operand 180727 states and 796150 transitions. [2019-12-19 02:51:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 02:51:28,733 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:51:28,733 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:51:28,733 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:51:28,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:51:28,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1650864197, now seen corresponding path program 1 times [2019-12-19 02:51:28,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:51:28,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285624477] [2019-12-19 02:51:28,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:51:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:51:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:51:28,819 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285624477] [2019-12-19 02:51:28,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:51:28,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 02:51:28,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829057305] [2019-12-19 02:51:28,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 02:51:28,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:51:28,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 02:51:28,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 02:51:28,821 INFO L87 Difference]: Start difference. First operand 180727 states and 796150 transitions. Second operand 4 states. [2019-12-19 02:51:39,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:51:39,458 INFO L93 Difference]: Finished difference Result 277855 states and 1217220 transitions. [2019-12-19 02:51:39,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 02:51:39,459 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 75 [2019-12-19 02:51:39,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:51:40,412 INFO L225 Difference]: With dead ends: 277855 [2019-12-19 02:51:40,412 INFO L226 Difference]: Without dead ends: 277855 [2019-12-19 02:51:40,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-19 02:51:42,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277855 states. [2019-12-19 02:51:46,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277855 to 214687. [2019-12-19 02:51:46,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214687 states. [2019-12-19 02:51:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214687 states to 214687 states and 943480 transitions. [2019-12-19 02:51:48,021 INFO L78 Accepts]: Start accepts. Automaton has 214687 states and 943480 transitions. Word has length 75 [2019-12-19 02:51:48,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 02:51:48,021 INFO L462 AbstractCegarLoop]: Abstraction has 214687 states and 943480 transitions. [2019-12-19 02:51:48,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 02:51:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 214687 states and 943480 transitions. [2019-12-19 02:51:48,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-19 02:51:48,252 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:51:48,252 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:51:48,252 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:51:48,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:51:48,252 INFO L82 PathProgramCache]: Analyzing trace with hash -162790407, now seen corresponding path program 1 times [2019-12-19 02:51:48,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:51:48,253 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578389970] [2019-12-19 02:51:48,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:51:48,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:51:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:51:48,343 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578389970] [2019-12-19 02:51:48,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:51:48,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 02:51:48,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194581993] [2019-12-19 02:51:48,347 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 02:51:48,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:51:48,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 02:51:48,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 02:51:48,348 INFO L87 Difference]: Start difference. First operand 214687 states and 943480 transitions. Second operand 7 states. [2019-12-19 02:51:56,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:51:56,771 INFO L93 Difference]: Finished difference Result 255731 states and 1108635 transitions. [2019-12-19 02:51:56,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-19 02:51:56,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-19 02:51:56,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:51:58,478 INFO L225 Difference]: With dead ends: 255731 [2019-12-19 02:51:58,479 INFO L226 Difference]: Without dead ends: 254731 [2019-12-19 02:51:58,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-19 02:51:59,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254731 states. [2019-12-19 02:52:04,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254731 to 217763. [2019-12-19 02:52:04,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217763 states. [2019-12-19 02:52:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217763 states to 217763 states and 955907 transitions. [2019-12-19 02:52:16,758 INFO L78 Accepts]: Start accepts. Automaton has 217763 states and 955907 transitions. Word has length 75 [2019-12-19 02:52:16,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 02:52:16,759 INFO L462 AbstractCegarLoop]: Abstraction has 217763 states and 955907 transitions. [2019-12-19 02:52:16,759 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 02:52:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand 217763 states and 955907 transitions. [2019-12-19 02:52:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-19 02:52:17,032 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 02:52:17,033 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 02:52:17,033 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 02:52:17,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 02:52:17,033 INFO L82 PathProgramCache]: Analyzing trace with hash -1991738286, now seen corresponding path program 1 times [2019-12-19 02:52:17,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 02:52:17,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309954388] [2019-12-19 02:52:17,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 02:52:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 02:52:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 02:52:17,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309954388] [2019-12-19 02:52:17,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 02:52:17,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 02:52:17,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754303114] [2019-12-19 02:52:17,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 02:52:17,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 02:52:17,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 02:52:17,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-19 02:52:17,168 INFO L87 Difference]: Start difference. First operand 217763 states and 955907 transitions. Second operand 6 states. [2019-12-19 02:52:20,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 02:52:20,739 INFO L93 Difference]: Finished difference Result 303799 states and 1328162 transitions. [2019-12-19 02:52:20,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 02:52:20,739 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 77 [2019-12-19 02:52:20,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 02:52:23,110 INFO L225 Difference]: With dead ends: 303799 [2019-12-19 02:52:23,110 INFO L226 Difference]: Without dead ends: 301223 [2019-12-19 02:52:23,110 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-19 02:52:24,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301223 states. [2019-12-19 02:52:36,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301223 to 261363. [2019-12-19 02:52:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261363 states. Received shutdown request... [2019-12-19 02:52:37,908 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-19 02:52:37,913 WARN L227 ceAbstractionStarter]: Timeout [2019-12-19 02:52:37,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 02:52:37 BasicIcfg [2019-12-19 02:52:37,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 02:52:37,916 INFO L168 Benchmark]: Toolchain (without parser) took 181371.33 ms. Allocated memory was 146.3 MB in the beginning and 5.1 GB in the end (delta: 4.9 GB). Free memory was 101.7 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.2 GB. Max. memory is 7.1 GB. [2019-12-19 02:52:37,917 INFO L168 Benchmark]: CDTParser took 0.21 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-19 02:52:37,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 801.28 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 158.0 MB in the end (delta: -56.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-12-19 02:52:37,919 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.58 ms. Allocated memory is still 204.5 MB. Free memory was 158.0 MB in the beginning and 154.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-12-19 02:52:37,920 INFO L168 Benchmark]: Boogie Preprocessor took 39.20 ms. Allocated memory is still 204.5 MB. Free memory was 154.8 MB in the beginning and 152.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-19 02:52:37,920 INFO L168 Benchmark]: RCFGBuilder took 807.84 ms. Allocated memory is still 204.5 MB. Free memory was 152.8 MB in the beginning and 105.8 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-12-19 02:52:37,921 INFO L168 Benchmark]: TraceAbstraction took 179641.05 ms. Allocated memory was 204.5 MB in the beginning and 5.1 GB in the end (delta: 4.9 GB). Free memory was 105.1 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.2 GB. Max. memory is 7.1 GB. [2019-12-19 02:52:37,932 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 801.28 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 158.0 MB in the end (delta: -56.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 76.58 ms. Allocated memory is still 204.5 MB. Free memory was 158.0 MB in the beginning and 154.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.20 ms. Allocated memory is still 204.5 MB. Free memory was 154.8 MB in the beginning and 152.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 807.84 ms. Allocated memory is still 204.5 MB. Free memory was 152.8 MB in the beginning and 105.8 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 179641.05 ms. Allocated memory was 204.5 MB in the beginning and 5.1 GB in the end (delta: 4.9 GB). Free memory was 105.1 MB in the beginning and 2.2 GB in the end (delta: -2.1 GB). Peak memory consumption was 5.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (81293 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 (81293 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 155 locations, 2 error locations. Result: TIMEOUT, OverallTime: 179.4s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 63.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3354 SDtfs, 4119 SDslu, 7820 SDs, 0 SdLazy, 3008 SolverSat, 239 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217763occurred 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: 95.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 267636 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 653 NumberOfCodeBlocks, 653 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 643 ConstructedInterpolants, 0 QuantifiedInterpolants, 87805 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