/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/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:22:37,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:22:37,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:22:37,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:22:37,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:22:37,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:22:37,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:22:37,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:22:37,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:22:37,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:22:37,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:22:37,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:22:37,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:22:37,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:22:37,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:22:37,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:22:37,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:22:37,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:22:37,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:22:37,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:22:37,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:22:37,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:22:37,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:22:37,436 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:22:37,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:22:37,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:22:37,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:22:37,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:22:37,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:22:37,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:22:37,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:22:37,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:22:37,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:22:37,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:22:37,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:22:37,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:22:37,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:22:37,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:22:37,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:22:37,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:22:37,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:22:37,453 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:22:37,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:22:37,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:22:37,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:22:37,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:22:37,482 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:22:37,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:22:37,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:22:37,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:22:37,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:22:37,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:22:37,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:22:37,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:22:37,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:22:37,484 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:22:37,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:22:37,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:22:37,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:22:37,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:22:37,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:22:37,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:22:37,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:22:37,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:22:37,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:22:37,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:22:37,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:22:37,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:22:37,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:22:37,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:22:37,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:22:37,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:22:37,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:22:37,974 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:22:37,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:22:37,980 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:22:37,982 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:22:37,983 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-09-21 11:22:38,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3f8d3230/38595dc331ad485796ea531f967e17f2/FLAG9aa418e4d [2020-09-21 11:22:38,599 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:22:38,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2020-09-21 11:22:38,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3f8d3230/38595dc331ad485796ea531f967e17f2/FLAG9aa418e4d [2020-09-21 11:22:38,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3f8d3230/38595dc331ad485796ea531f967e17f2 [2020-09-21 11:22:38,911 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:22:38,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:22:38,917 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:22:38,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:22:38,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:22:38,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:22:38" (1/1) ... [2020-09-21 11:22:38,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b1eddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:38, skipping insertion in model container [2020-09-21 11:22:38,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:22:38" (1/1) ... [2020-09-21 11:22:38,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:22:38,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:22:39,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:22:39,346 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:22:39,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:22:39,532 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:22:39,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39 WrapperNode [2020-09-21 11:22:39,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:22:39,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:22:39,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:22:39,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:22:39,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39" (1/1) ... [2020-09-21 11:22:39,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39" (1/1) ... [2020-09-21 11:22:39,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39" (1/1) ... [2020-09-21 11:22:39,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39" (1/1) ... [2020-09-21 11:22:39,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39" (1/1) ... [2020-09-21 11:22:39,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39" (1/1) ... [2020-09-21 11:22:39,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39" (1/1) ... [2020-09-21 11:22:39,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:22:39,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:22:39,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:22:39,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:22:39,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-21 11:22:39,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:22:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:22:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-09-21 11:22:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-09-21 11:22:39,672 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-09-21 11:22:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:22:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-09-21 11:22:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-09-21 11:22:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-09-21 11:22:39,673 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-09-21 11:22:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-09-21 11:22:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-09-21 11:22:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-09-21 11:22:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:22:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-21 11:22:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:22:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-09-21 11:22:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-09-21 11:22:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-09-21 11:22:39,675 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-09-21 11:22:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-09-21 11:22:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-09-21 11:22:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-09-21 11:22:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-09-21 11:22:39,676 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-09-21 11:22:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-09-21 11:22:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:22:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-09-21 11:22:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:22:39,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:22:39,929 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:40,045 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2020-09-21 11:22:40,045 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2020-09-21 11:22:40,047 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:40,090 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2020-09-21 11:22:40,090 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2020-09-21 11:22:40,105 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:40,155 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-09-21 11:22:40,155 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-09-21 11:22:40,174 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-09-21 11:22:40,334 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-09-21 11:22:40,334 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-09-21 11:22:40,354 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:22:40,354 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 11:22:40,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:22:40 BoogieIcfgContainer [2020-09-21 11:22:40,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:22:40,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:22:40,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:22:40,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:22:40,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:22:38" (1/3) ... [2020-09-21 11:22:40,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2589f86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:22:40, skipping insertion in model container [2020-09-21 11:22:40,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:22:39" (2/3) ... [2020-09-21 11:22:40,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2589f86e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:22:40, skipping insertion in model container [2020-09-21 11:22:40,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:22:40" (3/3) ... [2020-09-21 11:22:40,371 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2020-09-21 11:22:40,383 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:22:40,394 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:22:40,418 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:22:40,452 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:22:40,452 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:22:40,452 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:22:40,452 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:22:40,452 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:22:40,453 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:22:40,453 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:22:40,453 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:22:40,481 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2020-09-21 11:22:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-09-21 11:22:40,491 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:40,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:22:40,492 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:40,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:40,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1530382191, now seen corresponding path program 1 times [2020-09-21 11:22:40,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:40,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1384937114] [2020-09-21 11:22:40,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:40,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:40,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:40,735 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:40,735 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:40,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-21 11:22:40,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:40,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:22:40,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:40,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:22:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:22:40,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:40,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:40,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:40,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:40,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:40,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:40,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:40,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:40,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:40,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:40,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:40,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:41,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:41,036 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:41,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:41,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:41,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:41,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:41,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:41,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:41,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:41,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:41,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 20 [2020-09-21 11:22:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:41,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1384937114] [2020-09-21 11:22:41,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:41,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:22:41,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245357941] [2020-09-21 11:22:41,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:22:41,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:41,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:22:41,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:22:41,113 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 5 states. [2020-09-21 11:22:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:41,779 INFO L93 Difference]: Finished difference Result 303 states and 463 transitions. [2020-09-21 11:22:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:22:41,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2020-09-21 11:22:41,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:41,799 INFO L225 Difference]: With dead ends: 303 [2020-09-21 11:22:41,799 INFO L226 Difference]: Without dead ends: 157 [2020-09-21 11:22:41,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:22:41,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-09-21 11:22:41,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2020-09-21 11:22:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-09-21 11:22:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2020-09-21 11:22:41,885 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 20 [2020-09-21 11:22:41,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:41,886 INFO L479 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2020-09-21 11:22:41,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:22:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2020-09-21 11:22:41,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-21 11:22:41,888 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:41,888 INFO L422 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] [2020-09-21 11:22:41,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:22:41,889 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:41,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:41,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1141575010, now seen corresponding path program 1 times [2020-09-21 11:22:41,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:41,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1245799617] [2020-09-21 11:22:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,043 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:22:42,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -5 [2020-09-21 11:22:42,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 5 [2020-09-21 11:22:42,044 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-21 11:22:42,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:22:42,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:42,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:22:42,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:22:42,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:42,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:42,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:42,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:42,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:42,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:42,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:22:42,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:42,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:42,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:42,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:42,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:42,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:42,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:42,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:42,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:42,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:42,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:42,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:42,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:42,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:42,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:42,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1245799617] [2020-09-21 11:22:42,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:42,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:22:42,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578419228] [2020-09-21 11:22:42,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:22:42,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:42,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:22:42,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:22:42,267 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 6 states. [2020-09-21 11:22:43,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:43,093 INFO L93 Difference]: Finished difference Result 275 states and 370 transitions. [2020-09-21 11:22:43,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:22:43,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-09-21 11:22:43,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:43,100 INFO L225 Difference]: With dead ends: 275 [2020-09-21 11:22:43,100 INFO L226 Difference]: Without dead ends: 219 [2020-09-21 11:22:43,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:22:43,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-09-21 11:22:43,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 195. [2020-09-21 11:22:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-09-21 11:22:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 259 transitions. [2020-09-21 11:22:43,155 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 259 transitions. Word has length 26 [2020-09-21 11:22:43,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:43,156 INFO L479 AbstractCegarLoop]: Abstraction has 195 states and 259 transitions. [2020-09-21 11:22:43,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:22:43,156 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 259 transitions. [2020-09-21 11:22:43,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-21 11:22:43,157 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:43,157 INFO L422 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] [2020-09-21 11:22:43,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:22:43,158 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:43,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:43,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1029098174, now seen corresponding path program 1 times [2020-09-21 11:22:43,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:43,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184962908] [2020-09-21 11:22:43,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,215 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:22:43,215 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -18 [2020-09-21 11:22:43,216 FATAL L256 erpolLogProxyWrapper]: Difference in width: 18 [2020-09-21 11:22:43,216 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:22:43,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:22:43,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:43,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:22:43,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:22:43,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:43,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:43,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:43,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:43,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:43,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:43,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:43,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:43,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:43,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:43,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:43,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:43,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:43,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:43,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:43,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:43,397 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184962908] [2020-09-21 11:22:43,397 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:43,397 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:22:43,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050936270] [2020-09-21 11:22:43,398 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:22:43,398 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:43,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:22:43,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:22:43,399 INFO L87 Difference]: Start difference. First operand 195 states and 259 transitions. Second operand 6 states. [2020-09-21 11:22:43,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:43,796 INFO L93 Difference]: Finished difference Result 316 states and 413 transitions. [2020-09-21 11:22:43,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:22:43,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-09-21 11:22:43,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:43,802 INFO L225 Difference]: With dead ends: 316 [2020-09-21 11:22:43,802 INFO L226 Difference]: Without dead ends: 254 [2020-09-21 11:22:43,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:22:43,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-21 11:22:43,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 217. [2020-09-21 11:22:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-09-21 11:22:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 289 transitions. [2020-09-21 11:22:43,874 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 289 transitions. Word has length 27 [2020-09-21 11:22:43,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:43,874 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 289 transitions. [2020-09-21 11:22:43,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:22:43,875 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 289 transitions. [2020-09-21 11:22:43,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 11:22:43,880 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:43,880 INFO L422 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] [2020-09-21 11:22:43,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:22:43,880 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:43,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:43,881 INFO L82 PathProgramCache]: Analyzing trace with hash 742933031, now seen corresponding path program 1 times [2020-09-21 11:22:43,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:43,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1705431464] [2020-09-21 11:22:43,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:43,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:43,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:43,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:43,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:43,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-21 11:22:43,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:43,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:43,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 11:22:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:22:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:44,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:44,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:44,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:44,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:44,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:44,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:44,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:44,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:44,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:44,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:44,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:44,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:22:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:44,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1705431464] [2020-09-21 11:22:44,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:44,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:22:44,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862280645] [2020-09-21 11:22:44,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:22:44,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:44,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:22:44,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:22:44,155 INFO L87 Difference]: Start difference. First operand 217 states and 289 transitions. Second operand 6 states. [2020-09-21 11:22:44,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:44,758 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2020-09-21 11:22:44,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:22:44,758 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-09-21 11:22:44,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:44,766 INFO L225 Difference]: With dead ends: 220 [2020-09-21 11:22:44,766 INFO L226 Difference]: Without dead ends: 217 [2020-09-21 11:22:44,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:22:44,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-09-21 11:22:44,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-09-21 11:22:44,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-09-21 11:22:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2020-09-21 11:22:44,802 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 37 [2020-09-21 11:22:44,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:44,803 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2020-09-21 11:22:44,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:22:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2020-09-21 11:22:44,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-21 11:22:44,814 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:44,814 INFO L422 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] [2020-09-21 11:22:44,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:22:44,814 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:44,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:44,815 INFO L82 PathProgramCache]: Analyzing trace with hash 324263340, now seen corresponding path program 1 times [2020-09-21 11:22:44,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:44,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961650838] [2020-09-21 11:22:44,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-09-21 11:22:44,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:44,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 37 [2020-09-21 11:22:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:44,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:44,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:44,968 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:44,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:44,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:44,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:44,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:44,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:44,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:44,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:44,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:44,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:44,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:45,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,021 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,022 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,022 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:45,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:45,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:45,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:45,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:45,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:45,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:45,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:45,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:45,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:45,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:45,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:45,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:45,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:45,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:45,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:22:45,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:45,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:45,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:45,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:45,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:22:45,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:22:45,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:45,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961650838] [2020-09-21 11:22:45,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:45,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:22:45,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727119261] [2020-09-21 11:22:45,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:22:45,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:45,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:22:45,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:45,126 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand 8 states. [2020-09-21 11:22:45,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:45,911 INFO L93 Difference]: Finished difference Result 274 states and 356 transitions. [2020-09-21 11:22:45,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:45,911 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-09-21 11:22:45,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:45,913 INFO L225 Difference]: With dead ends: 274 [2020-09-21 11:22:45,914 INFO L226 Difference]: Without dead ends: 208 [2020-09-21 11:22:45,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:45,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-09-21 11:22:45,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 190. [2020-09-21 11:22:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-09-21 11:22:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 250 transitions. [2020-09-21 11:22:45,952 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 250 transitions. Word has length 45 [2020-09-21 11:22:45,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:45,954 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 250 transitions. [2020-09-21 11:22:45,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:22:45,954 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2020-09-21 11:22:45,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:22:45,957 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:45,957 INFO L422 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] [2020-09-21 11:22:45,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:22:45,958 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:45,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:45,958 INFO L82 PathProgramCache]: Analyzing trace with hash 726030577, now seen corresponding path program 1 times [2020-09-21 11:22:45,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:45,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1361640600] [2020-09-21 11:22:45,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,032 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-21 11:22:46,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:22:46,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-09-21 11:22:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:22:46,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:22:46,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:46,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:46,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:22:46,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:46,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:46,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:46,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:46,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:22:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,259 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:46,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:46,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:46,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,266 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,266 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:46,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:46,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:46,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:22:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,282 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:46,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:46,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:46,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:46,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1361640600] [2020-09-21 11:22:46,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:46,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:22:46,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827618349] [2020-09-21 11:22:46,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:22:46,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:46,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:22:46,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:46,297 INFO L87 Difference]: Start difference. First operand 190 states and 250 transitions. Second operand 8 states. [2020-09-21 11:22:46,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:46,815 INFO L93 Difference]: Finished difference Result 258 states and 336 transitions. [2020-09-21 11:22:46,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:22:46,815 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-09-21 11:22:46,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:46,817 INFO L225 Difference]: With dead ends: 258 [2020-09-21 11:22:46,817 INFO L226 Difference]: Without dead ends: 197 [2020-09-21 11:22:46,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:46,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-09-21 11:22:46,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2020-09-21 11:22:46,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-21 11:22:46,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2020-09-21 11:22:46,834 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 51 [2020-09-21 11:22:46,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:46,834 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2020-09-21 11:22:46,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:22:46,834 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2020-09-21 11:22:46,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-09-21 11:22:46,835 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:46,836 INFO L422 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] [2020-09-21 11:22:46,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:22:46,836 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:46,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:46,836 INFO L82 PathProgramCache]: Analyzing trace with hash 572107035, now seen corresponding path program 1 times [2020-09-21 11:22:46,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:46,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610894090] [2020-09-21 11:22:46,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-21 11:22:46,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:46,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:22:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:22:46,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-09-21 11:22:46,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:46,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:46,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:46,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:46,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:46,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:46,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:46,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:46,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:46,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:46,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:46,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:46,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:47,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:47,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:47,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:47,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:47,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:47,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:47,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:47,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:47,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:22:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,106 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:22:47,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:47,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:22:47,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:47,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-21 11:22:47,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:47,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:47,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:47,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:47,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:47,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:22:47,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:47,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:47,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:47,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:22:47,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:47,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:47,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610894090] [2020-09-21 11:22:47,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:47,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:22:47,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954583497] [2020-09-21 11:22:47,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:47,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:47,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:47,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:47,177 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand 11 states. [2020-09-21 11:22:48,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:48,124 INFO L93 Difference]: Finished difference Result 243 states and 316 transitions. [2020-09-21 11:22:48,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:22:48,125 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 50 [2020-09-21 11:22:48,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:48,127 INFO L225 Difference]: With dead ends: 243 [2020-09-21 11:22:48,127 INFO L226 Difference]: Without dead ends: 237 [2020-09-21 11:22:48,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-21 11:22:48,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-09-21 11:22:48,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 206. [2020-09-21 11:22:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-09-21 11:22:48,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 268 transitions. [2020-09-21 11:22:48,162 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 268 transitions. Word has length 50 [2020-09-21 11:22:48,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:48,163 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 268 transitions. [2020-09-21 11:22:48,164 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:48,164 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 268 transitions. [2020-09-21 11:22:48,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:22:48,165 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:48,166 INFO L422 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] [2020-09-21 11:22:48,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:22:48,166 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:48,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:48,166 INFO L82 PathProgramCache]: Analyzing trace with hash 176400751, now seen corresponding path program 1 times [2020-09-21 11:22:48,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:48,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855916668] [2020-09-21 11:22:48,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 3 [2020-09-21 11:22:48,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-21 11:22:48,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-21 11:22:48,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:22:48,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 11:22:48,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,332 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,332 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:48,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:48,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:48,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:48,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:48,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:48,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:48,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:48,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:48,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,430 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:48,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:48,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:48,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:48,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:22:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-09-21 11:22:48,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:22:48,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-21 11:22:48,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-21 11:22:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:48,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:48,531 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:48,531 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:48,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:48,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:22:48,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:48,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:48,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:48,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:48,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:22:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:22:48,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:48,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:48,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855916668] [2020-09-21 11:22:48,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:48,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:22:48,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527016461] [2020-09-21 11:22:48,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:22:48,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:48,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:22:48,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:48,595 INFO L87 Difference]: Start difference. First operand 206 states and 268 transitions. Second operand 12 states. [2020-09-21 11:22:49,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:49,547 INFO L93 Difference]: Finished difference Result 233 states and 297 transitions. [2020-09-21 11:22:49,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:22:49,548 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2020-09-21 11:22:49,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:49,550 INFO L225 Difference]: With dead ends: 233 [2020-09-21 11:22:49,551 INFO L226 Difference]: Without dead ends: 210 [2020-09-21 11:22:49,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:22:49,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-09-21 11:22:49,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 188. [2020-09-21 11:22:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-09-21 11:22:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 244 transitions. [2020-09-21 11:22:49,575 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 244 transitions. Word has length 51 [2020-09-21 11:22:49,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:49,575 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 244 transitions. [2020-09-21 11:22:49,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:22:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2020-09-21 11:22:49,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-09-21 11:22:49,576 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:49,576 INFO L422 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] [2020-09-21 11:22:49,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:22:49,577 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:49,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1461171158, now seen corresponding path program 1 times [2020-09-21 11:22:49,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:49,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992714744] [2020-09-21 11:22:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:22:49,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:49,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-21 11:22:49,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-21 11:22:49,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:49,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:49,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:49,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:49,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,737 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,737 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,737 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,737 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:49,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:49,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:49,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,764 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,765 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,765 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,765 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:49,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:49,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:49,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:22:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,796 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,797 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,797 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,797 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:22:49,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:49,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:22:49,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:49,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:49,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:49,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:49,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:49,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:22:49,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:49,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:49,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:49,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:49,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:49,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992714744] [2020-09-21 11:22:49,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:49,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:22:49,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578635659] [2020-09-21 11:22:49,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:22:49,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:49,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:22:49,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:22:49,851 INFO L87 Difference]: Start difference. First operand 188 states and 244 transitions. Second operand 8 states. [2020-09-21 11:22:50,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:50,145 INFO L93 Difference]: Finished difference Result 203 states and 262 transitions. [2020-09-21 11:22:50,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 11:22:50,146 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-09-21 11:22:50,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:50,147 INFO L225 Difference]: With dead ends: 203 [2020-09-21 11:22:50,147 INFO L226 Difference]: Without dead ends: 91 [2020-09-21 11:22:50,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:22:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-21 11:22:50,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-09-21 11:22:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-09-21 11:22:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2020-09-21 11:22:50,161 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 52 [2020-09-21 11:22:50,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:50,162 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2020-09-21 11:22:50,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:22:50,162 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2020-09-21 11:22:50,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:22:50,163 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:50,164 INFO L422 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] [2020-09-21 11:22:50,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:22:50,164 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:50,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:50,165 INFO L82 PathProgramCache]: Analyzing trace with hash -1516710605, now seen corresponding path program 1 times [2020-09-21 11:22:50,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:50,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735568252] [2020-09-21 11:22:50,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:22:50,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:22:50,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:22:50,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:22:50,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 11:22:50,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,340 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:50,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:50,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:50,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:50,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:50,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:50,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:50,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,440 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,441 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:50,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:50,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:50,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:50,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,479 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,479 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,479 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,480 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-09-21 11:22:50,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:50,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:22:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:22:50,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:22:50,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,536 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,536 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,536 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,537 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:50,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:50,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:50,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:50,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:50,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:50,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:50,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:50,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:50,576 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:50,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:50,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:50,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:50,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:50,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:50,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:50,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:50,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735568252] [2020-09-21 11:22:50,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:50,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:22:50,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781889959] [2020-09-21 11:22:50,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:50,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:50,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:50,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:50,600 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand 11 states. [2020-09-21 11:22:51,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:51,128 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2020-09-21 11:22:51,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:22:51,129 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 59 [2020-09-21 11:22:51,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:51,130 INFO L225 Difference]: With dead ends: 119 [2020-09-21 11:22:51,130 INFO L226 Difference]: Without dead ends: 91 [2020-09-21 11:22:51,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:22:51,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-09-21 11:22:51,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2020-09-21 11:22:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-09-21 11:22:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2020-09-21 11:22:51,142 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 59 [2020-09-21 11:22:51,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:51,143 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2020-09-21 11:22:51,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2020-09-21 11:22:51,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:22:51,144 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:51,144 INFO L422 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] [2020-09-21 11:22:51,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:22:51,144 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:51,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:51,145 INFO L82 PathProgramCache]: Analyzing trace with hash -14076392, now seen corresponding path program 1 times [2020-09-21 11:22:51,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:51,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [382609986] [2020-09-21 11:22:51,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:22:51,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -33 [2020-09-21 11:22:51,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 33 [2020-09-21 11:22:51,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:22:51,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:51,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:51,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-21 11:22:51,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:22:51,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:22:51,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -2 [2020-09-21 11:22:51,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 2 [2020-09-21 11:22:51,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:22:51,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:51,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:22:51,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:22:51,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:51,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:51,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [382609986] [2020-09-21 11:22:51,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:51,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:22:51,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284256733] [2020-09-21 11:22:51,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:22:51,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:51,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:22:51,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:51,423 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand 9 states. [2020-09-21 11:22:51,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:51,649 INFO L93 Difference]: Finished difference Result 125 states and 141 transitions. [2020-09-21 11:22:51,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:22:51,649 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-09-21 11:22:51,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:51,650 INFO L225 Difference]: With dead ends: 125 [2020-09-21 11:22:51,650 INFO L226 Difference]: Without dead ends: 97 [2020-09-21 11:22:51,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:51,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-09-21 11:22:51,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2020-09-21 11:22:51,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-09-21 11:22:51,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2020-09-21 11:22:51,663 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 61 [2020-09-21 11:22:51,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:51,664 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2020-09-21 11:22:51,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:22:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2020-09-21 11:22:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 11:22:51,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:51,665 INFO L422 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] [2020-09-21 11:22:51,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:22:51,666 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:51,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:51,666 INFO L82 PathProgramCache]: Analyzing trace with hash -600882406, now seen corresponding path program 1 times [2020-09-21 11:22:51,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:51,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912800289] [2020-09-21 11:22:51,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-21 11:22:51,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:51,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-21 11:22:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:22:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,831 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,831 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:22:51,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-21 11:22:51,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:22:51,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 11:22:51,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,928 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,928 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,928 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:51,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:51,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:51,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:51,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:51,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:51,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:51,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:51,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:51,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:51,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:51,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912800289] [2020-09-21 11:22:51,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:51,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:22:51,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000915505] [2020-09-21 11:22:51,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:22:51,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:51,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:22:51,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:51,965 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand 12 states. [2020-09-21 11:22:52,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:52,240 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2020-09-21 11:22:52,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:22:52,241 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2020-09-21 11:22:52,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:52,242 INFO L225 Difference]: With dead ends: 112 [2020-09-21 11:22:52,242 INFO L226 Difference]: Without dead ends: 94 [2020-09-21 11:22:52,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:22:52,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-09-21 11:22:52,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2020-09-21 11:22:52,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-21 11:22:52,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 99 transitions. [2020-09-21 11:22:52,252 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 99 transitions. Word has length 61 [2020-09-21 11:22:52,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:52,253 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 99 transitions. [2020-09-21 11:22:52,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:22:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2020-09-21 11:22:52,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:22:52,254 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:52,254 INFO L422 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] [2020-09-21 11:22:52,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:22:52,254 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:52,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:52,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1935953947, now seen corresponding path program 1 times [2020-09-21 11:22:52,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:52,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952514356] [2020-09-21 11:22:52,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,296 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:22:52,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:52,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 11:22:52,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:22:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,362 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,399 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,422 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:22:52,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:52,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-21 11:22:52,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:22:52,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:52,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:52,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,480 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,480 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,480 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,481 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:52,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952514356] [2020-09-21 11:22:52,505 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:52,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:22:52,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475527004] [2020-09-21 11:22:52,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:22:52,506 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:52,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:22:52,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:52,507 INFO L87 Difference]: Start difference. First operand 90 states and 99 transitions. Second operand 9 states. [2020-09-21 11:22:52,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:52,728 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2020-09-21 11:22:52,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:22:52,729 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 11:22:52,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:52,732 INFO L225 Difference]: With dead ends: 124 [2020-09-21 11:22:52,732 INFO L226 Difference]: Without dead ends: 96 [2020-09-21 11:22:52,733 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:52,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-09-21 11:22:52,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 93. [2020-09-21 11:22:52,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-09-21 11:22:52,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 102 transitions. [2020-09-21 11:22:52,747 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 102 transitions. Word has length 62 [2020-09-21 11:22:52,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:52,748 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 102 transitions. [2020-09-21 11:22:52,748 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:22:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 102 transitions. [2020-09-21 11:22:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:22:52,749 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:52,749 INFO L422 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] [2020-09-21 11:22:52,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:22:52,749 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:52,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:52,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1349147933, now seen corresponding path program 1 times [2020-09-21 11:22:52,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:52,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769569349] [2020-09-21 11:22:52,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:22:52,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:52,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-21 11:22:52,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:22:52,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:52,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,883 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,883 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,883 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:52,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:52,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,933 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:52,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:52,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:52,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:52,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:52,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:52,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:52,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:52,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:52,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:52,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:22:53,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:53,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:53,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769569349] [2020-09-21 11:22:53,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:53,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:22:53,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731596677] [2020-09-21 11:22:53,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:22:53,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:53,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:22:53,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:53,083 INFO L87 Difference]: Start difference. First operand 93 states and 102 transitions. Second operand 9 states. [2020-09-21 11:22:53,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:53,266 INFO L93 Difference]: Finished difference Result 109 states and 119 transitions. [2020-09-21 11:22:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:53,266 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-09-21 11:22:53,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:53,267 INFO L225 Difference]: With dead ends: 109 [2020-09-21 11:22:53,268 INFO L226 Difference]: Without dead ends: 104 [2020-09-21 11:22:53,268 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:22:53,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-21 11:22:53,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 95. [2020-09-21 11:22:53,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:22:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2020-09-21 11:22:53,280 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 62 [2020-09-21 11:22:53,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:53,280 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2020-09-21 11:22:53,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:22:53,280 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2020-09-21 11:22:53,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-09-21 11:22:53,281 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:53,281 INFO L422 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] [2020-09-21 11:22:53,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:22:53,282 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:53,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:53,282 INFO L82 PathProgramCache]: Analyzing trace with hash 475938380, now seen corresponding path program 1 times [2020-09-21 11:22:53,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:53,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289851624] [2020-09-21 11:22:53,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,325 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,325 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,326 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,326 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-09-21 11:22:53,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:22:53,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:53,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 11:22:53,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:22:53,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,455 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,455 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,455 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,455 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,482 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:53,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,510 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,510 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,510 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:22:53,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:53,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:53,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:22:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,585 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:53,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,593 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,593 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,593 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,594 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:53,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:53,615 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:53,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:53,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:53,616 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:53,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:53,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:53,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:53,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:53,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:53,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:53,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:53,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:53,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289851624] [2020-09-21 11:22:53,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:53,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:22:53,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382146738] [2020-09-21 11:22:53,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:22:53,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:53,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:22:53,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:53,632 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand 12 states. [2020-09-21 11:22:54,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:54,092 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2020-09-21 11:22:54,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:22:54,093 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-09-21 11:22:54,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:54,094 INFO L225 Difference]: With dead ends: 114 [2020-09-21 11:22:54,094 INFO L226 Difference]: Without dead ends: 95 [2020-09-21 11:22:54,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:22:54,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-09-21 11:22:54,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-09-21 11:22:54,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-09-21 11:22:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 101 transitions. [2020-09-21 11:22:54,117 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 101 transitions. Word has length 62 [2020-09-21 11:22:54,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:54,117 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 101 transitions. [2020-09-21 11:22:54,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:22:54,118 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2020-09-21 11:22:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:22:54,119 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:54,119 INFO L422 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] [2020-09-21 11:22:54,119 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 11:22:54,120 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:54,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:54,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1363732376, now seen corresponding path program 1 times [2020-09-21 11:22:54,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:54,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [439789372] [2020-09-21 11:22:54,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:22:54,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:22:54,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-21 11:22:54,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:22:54,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:22:54,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,317 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,318 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:54,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:54,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:54,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:54,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:54,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,428 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,429 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:54,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:54,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:22:54,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:54,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:22:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 11:22:54,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:54,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:54,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:54,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:54,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,519 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,519 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,519 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,520 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:54,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:54,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:54,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:54,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:54,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:54,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:54,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:54,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:54,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:54,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:54,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:54,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:54,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:54,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [439789372] [2020-09-21 11:22:54,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:54,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:22:54,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756819063] [2020-09-21 11:22:54,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:54,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:54,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:54,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:54,571 INFO L87 Difference]: Start difference. First operand 95 states and 101 transitions. Second operand 11 states. [2020-09-21 11:22:54,788 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-09-21 11:22:55,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:55,197 INFO L93 Difference]: Finished difference Result 107 states and 112 transitions. [2020-09-21 11:22:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-21 11:22:55,198 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 63 [2020-09-21 11:22:55,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:55,199 INFO L225 Difference]: With dead ends: 107 [2020-09-21 11:22:55,199 INFO L226 Difference]: Without dead ends: 89 [2020-09-21 11:22:55,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-09-21 11:22:55,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-09-21 11:22:55,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 80. [2020-09-21 11:22:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-09-21 11:22:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2020-09-21 11:22:55,210 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 63 [2020-09-21 11:22:55,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:55,211 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2020-09-21 11:22:55,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:55,211 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2020-09-21 11:22:55,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:22:55,212 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:55,212 INFO L422 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] [2020-09-21 11:22:55,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-21 11:22:55,212 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:55,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:55,213 INFO L82 PathProgramCache]: Analyzing trace with hash 359859562, now seen corresponding path program 1 times [2020-09-21 11:22:55,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:55,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019729775] [2020-09-21 11:22:55,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 2 [2020-09-21 11:22:55,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -35 [2020-09-21 11:22:55,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 35 [2020-09-21 11:22:55,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:22:55,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:22:55,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:55,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-09-21 11:22:55,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 11:22:55,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,382 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,382 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,382 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:55,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,405 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,406 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:55,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:22:55,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:55,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:22:55,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:55,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:22:55,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:55,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:22:55,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:55,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:55,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019729775] [2020-09-21 11:22:55,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:55,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:22:55,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985125017] [2020-09-21 11:22:55,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:22:55,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:55,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:22:55,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:55,504 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 9 states. [2020-09-21 11:22:55,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:55,701 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2020-09-21 11:22:55,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:55,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-09-21 11:22:55,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:55,704 INFO L225 Difference]: With dead ends: 96 [2020-09-21 11:22:55,704 INFO L226 Difference]: Without dead ends: 76 [2020-09-21 11:22:55,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:55,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-09-21 11:22:55,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-09-21 11:22:55,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-09-21 11:22:55,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2020-09-21 11:22:55,717 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 63 [2020-09-21 11:22:55,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:55,718 INFO L479 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2020-09-21 11:22:55,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:22:55,718 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2020-09-21 11:22:55,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:22:55,719 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:55,719 INFO L422 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] [2020-09-21 11:22:55,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-21 11:22:55,719 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:55,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:55,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1228040100, now seen corresponding path program 1 times [2020-09-21 11:22:55,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:55,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [357107110] [2020-09-21 11:22:55,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,769 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:22:55,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:55,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:22:55,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-21 11:22:55,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:55,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,859 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:22:55,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:55,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,971 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:22:55,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 11:22:55,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:55,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:55,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:55,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:55,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:55,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:55,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:55,999 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:55,999 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:55,999 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:55,999 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:55,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:55,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:56,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:56,028 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [357107110] [2020-09-21 11:22:56,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:56,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:22:56,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217226158] [2020-09-21 11:22:56,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:22:56,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:56,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:22:56,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:22:56,030 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 9 states. [2020-09-21 11:22:56,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:56,306 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2020-09-21 11:22:56,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:22:56,307 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-09-21 11:22:56,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:56,308 INFO L225 Difference]: With dead ends: 141 [2020-09-21 11:22:56,308 INFO L226 Difference]: Without dead ends: 134 [2020-09-21 11:22:56,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:22:56,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-09-21 11:22:56,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2020-09-21 11:22:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-21 11:22:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2020-09-21 11:22:56,327 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2020-09-21 11:22:56,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:56,328 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2020-09-21 11:22:56,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:22:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2020-09-21 11:22:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-09-21 11:22:56,329 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:56,330 INFO L422 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] [2020-09-21 11:22:56,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-21 11:22:56,330 INFO L427 AbstractCegarLoop]: === Iteration 19 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:56,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:56,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1291919834, now seen corresponding path program 1 times [2020-09-21 11:22:56,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:56,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860787007] [2020-09-21 11:22:56,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-09-21 11:22:56,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:22:56,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:22:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-21 11:22:56,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:22:56,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,584 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:22:56,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,615 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:22:56,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:56,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 11:22:56,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,653 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,654 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,654 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,654 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:56,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,660 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,660 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,661 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,661 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:56,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:56,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:56,681 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:56,681 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:56,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:56,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:56,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:56,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:56,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [860787007] [2020-09-21 11:22:56,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:56,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:22:56,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617992322] [2020-09-21 11:22:56,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:22:56,692 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:56,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:22:56,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:22:56,692 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 12 states. [2020-09-21 11:22:57,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:57,057 INFO L93 Difference]: Finished difference Result 144 states and 149 transitions. [2020-09-21 11:22:57,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:22:57,058 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2020-09-21 11:22:57,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:57,060 INFO L225 Difference]: With dead ends: 144 [2020-09-21 11:22:57,060 INFO L226 Difference]: Without dead ends: 133 [2020-09-21 11:22:57,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:22:57,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-09-21 11:22:57,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-09-21 11:22:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-09-21 11:22:57,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2020-09-21 11:22:57,081 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 63 [2020-09-21 11:22:57,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:57,081 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2020-09-21 11:22:57,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:22:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2020-09-21 11:22:57,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-09-21 11:22:57,083 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:22:57,083 INFO L422 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] [2020-09-21 11:22:57,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-21 11:22:57,083 INFO L427 AbstractCegarLoop]: === Iteration 20 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:22:57,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:22:57,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1154361885, now seen corresponding path program 1 times [2020-09-21 11:22:57,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:22:57,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125424055] [2020-09-21 11:22:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:22:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-09-21 11:22:57,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:22:57,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-21 11:22:57,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:22:57,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:57,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:22:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,202 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,203 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:57,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:22:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,241 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:57,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:57,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:57,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-21 11:22:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-21 11:22:57,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:22:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:22:57,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:22:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:22:57,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:57,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:57,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:22:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,315 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:57,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:57,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:22:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:22:57,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:22:57,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:22:57,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:22:57,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:22:57,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:22:57,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:22:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:22:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:22:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:22:57,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:22:57,354 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:22:57,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:22:57,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:22:57,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:22:57,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:22:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:22:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:22:57,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:22:57,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:22:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:22:57,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125424055] [2020-09-21 11:22:57,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:22:57,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:22:57,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783908509] [2020-09-21 11:22:57,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:22:57,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:22:57,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:22:57,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:22:57,379 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 11 states. [2020-09-21 11:22:57,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:22:57,589 INFO L93 Difference]: Finished difference Result 133 states and 136 transitions. [2020-09-21 11:22:57,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:22:57,589 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2020-09-21 11:22:57,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:22:57,590 INFO L225 Difference]: With dead ends: 133 [2020-09-21 11:22:57,590 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:22:57,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:22:57,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:22:57,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:22:57,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:22:57,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:22:57,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-09-21 11:22:57,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:22:57,592 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:22:57,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:22:57,592 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:22:57,592 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:22:57,592 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-21 11:22:57,595 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:23:00,501 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 52 [2020-09-21 11:23:00,722 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 50 [2020-09-21 11:23:00,967 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-09-21 11:23:01,347 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 62 [2020-09-21 11:23:01,607 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 62 [2020-09-21 11:23:01,926 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2020-09-21 11:23:02,171 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-09-21 11:23:02,530 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2020-09-21 11:23:02,941 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 41 [2020-09-21 11:23:03,173 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 49 [2020-09-21 11:23:03,452 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 51 [2020-09-21 11:23:03,683 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 50 [2020-09-21 11:23:03,868 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-09-21 11:23:04,362 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2020-09-21 11:23:04,588 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2020-09-21 11:23:04,763 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2020-09-21 11:23:04,958 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 58 [2020-09-21 11:23:05,163 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 71 [2020-09-21 11:23:05,300 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-09-21 11:23:05,528 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2020-09-21 11:23:05,658 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-09-21 11:23:05,872 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 50 [2020-09-21 11:23:06,179 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 52 [2020-09-21 11:23:06,375 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 53 [2020-09-21 11:23:06,640 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-09-21 11:23:06,813 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-09-21 11:23:06,879 INFO L264 CegarLoopResult]: At program point KeSetEventENTRY(lines 513 520) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (= ~s~0 ~NP~0))) [2020-09-21 11:23:06,880 INFO L268 CegarLoopResult]: For program point KeSetEventFINAL(lines 513 520) no Hoare annotation was computed. [2020-09-21 11:23:06,880 INFO L268 CegarLoopResult]: For program point KeSetEventEXIT(lines 513 520) no Hoare annotation was computed. [2020-09-21 11:23:06,880 INFO L264 CegarLoopResult]: At program point KbFilter_CompleteENTRY(lines 563 573) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (= ~s~0 ~NP~0))) [2020-09-21 11:23:06,880 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (= ~s~0 ~NP~0))) [2020-09-21 11:23:06,880 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-09-21 11:23:06,881 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteFINAL(lines 563 573) no Hoare annotation was computed. [2020-09-21 11:23:06,881 INFO L268 CegarLoopResult]: For program point KbFilter_CompleteEXIT(lines 563 573) no Hoare annotation was computed. [2020-09-21 11:23:06,881 INFO L268 CegarLoopResult]: For program point stub_driver_initEXIT(lines 35 48) no Hoare annotation was computed. [2020-09-21 11:23:06,881 INFO L264 CegarLoopResult]: At program point stub_driver_initENTRY(lines 35 48) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,881 INFO L268 CegarLoopResult]: For program point stub_driver_initFINAL(lines 35 48) no Hoare annotation was computed. [2020-09-21 11:23:06,881 INFO L268 CegarLoopResult]: For program point _BLAST_initFINAL(lines 49 70) no Hoare annotation was computed. [2020-09-21 11:23:06,882 INFO L264 CegarLoopResult]: At program point _BLAST_initENTRY(lines 49 70) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~SKIP1~0 ~NP~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,882 INFO L268 CegarLoopResult]: For program point _BLAST_initEXIT(lines 49 70) no Hoare annotation was computed. [2020-09-21 11:23:06,882 INFO L271 CegarLoopResult]: At program point errorFnENTRY(lines 575 582) the Hoare annotation is: true [2020-09-21 11:23:06,882 INFO L268 CegarLoopResult]: For program point errorFnFINAL(lines 575 582) no Hoare annotation was computed. [2020-09-21 11:23:06,882 INFO L268 CegarLoopResult]: For program point errorFnEXIT(lines 575 582) no Hoare annotation was computed. [2020-09-21 11:23:06,882 INFO L268 CegarLoopResult]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2020-09-21 11:23:06,883 INFO L264 CegarLoopResult]: At program point L382(lines 375 415) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,883 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 286 420) no Hoare annotation was computed. [2020-09-21 11:23:06,883 INFO L268 CegarLoopResult]: For program point L407(lines 407 409) no Hoare annotation was computed. [2020-09-21 11:23:06,883 INFO L264 CegarLoopResult]: At program point L374(lines 367 416) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,883 INFO L268 CegarLoopResult]: For program point L383(lines 367 416) no Hoare annotation was computed. [2020-09-21 11:23:06,883 INFO L268 CegarLoopResult]: For program point L350(lines 350 365) no Hoare annotation was computed. [2020-09-21 11:23:06,883 INFO L268 CegarLoopResult]: For program point L384(lines 384 413) no Hoare annotation was computed. [2020-09-21 11:23:06,884 INFO L264 CegarLoopResult]: At program point L351(lines 350 365) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (<= (+ ~NP~0 2) ~SKIP1~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= (+ ~NP~0 4) ~MPR1~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,884 INFO L268 CegarLoopResult]: For program point L376(lines 376 380) no Hoare annotation was computed. [2020-09-21 11:23:06,884 INFO L268 CegarLoopResult]: For program point L368(lines 368 372) no Hoare annotation was computed. [2020-09-21 11:23:06,884 INFO L268 CegarLoopResult]: For program point L335(lines 321 366) no Hoare annotation was computed. [2020-09-21 11:23:06,884 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 286 420) no Hoare annotation was computed. [2020-09-21 11:23:06,884 INFO L268 CegarLoopResult]: For program point L385(lines 385 412) no Hoare annotation was computed. [2020-09-21 11:23:06,885 INFO L264 CegarLoopResult]: At program point L319(line 319) the Hoare annotation is: (or (and (= ~MPR3~0 ~s~0) (= ~IPC~0 ~s~0) (= ~MPR1~0 ~s~0) (= ~SKIP1~0 ~NP~0) (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0) (<= 0 main_~status~1) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,885 INFO L268 CegarLoopResult]: For program point L319-1(lines 295 419) no Hoare annotation was computed. [2020-09-21 11:23:06,885 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 286 420) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~Executive~0)| ~Executive~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~KernelMode~0 |old(~KernelMode~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~SKIP1~0 ~NP~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~myStatus~0 |old(~myStatus~0)|))) [2020-09-21 11:23:06,885 INFO L268 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2020-09-21 11:23:06,885 INFO L264 CegarLoopResult]: At program point L394(lines 385 412) the Hoare annotation is: (or (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,885 INFO L268 CegarLoopResult]: For program point L386(lines 386 392) no Hoare annotation was computed. [2020-09-21 11:23:06,886 INFO L264 CegarLoopResult]: At program point L353(lines 352 365) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (<= 0 main_~status~1) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,886 INFO L268 CegarLoopResult]: For program point L403(lines 403 405) no Hoare annotation was computed. [2020-09-21 11:23:06,886 INFO L268 CegarLoopResult]: For program point L387(lines 387 389) no Hoare annotation was computed. [2020-09-21 11:23:06,886 INFO L264 CegarLoopResult]: At program point L321(lines 295 419) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (<= (+ ~NP~0 2) ~SKIP1~0) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= ~pended~0 0)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,886 INFO L268 CegarLoopResult]: For program point L338-1(lines 337 347) no Hoare annotation was computed. [2020-09-21 11:23:06,886 INFO L268 CegarLoopResult]: For program point L396(lines 396 400) no Hoare annotation was computed. [2020-09-21 11:23:06,886 INFO L268 CegarLoopResult]: For program point L330(lines 330 333) no Hoare annotation was computed. [2020-09-21 11:23:06,887 INFO L264 CegarLoopResult]: At program point L330-2(lines 330 333) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~NP~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (and (<= (+ ~NP~0 5) ~MPR3~0) (<= (+ ~NP~0 2) ~SKIP1~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (<= 0 main_~status~1) (<= (+ ~SKIP2~0 3) ~IPC~0) (<= (+ ~NP~0 4) ~MPR1~0) (<= ~pended~0 0)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,887 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (not (= |old(~s~0)| |old(~IPC~0)|)) (not (<= |old(~pended~0)| 0))) [2020-09-21 11:23:06,887 INFO L268 CegarLoopResult]: For program point L357(line 357) no Hoare annotation was computed. [2020-09-21 11:23:06,887 INFO L268 CegarLoopResult]: For program point L477(lines 477 494) no Hoare annotation was computed. [2020-09-21 11:23:06,888 INFO L264 CegarLoopResult]: At program point L444(line 444) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse2 (not (<= (+ ~NP~0 2) ~SKIP1~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))))) [2020-09-21 11:23:06,888 INFO L268 CegarLoopResult]: For program point L444-1(line 444) no Hoare annotation was computed. [2020-09-21 11:23:06,888 INFO L264 CegarLoopResult]: At program point L469(lines 442 497) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse3 (not (<= (+ ~NP~0 2) ~SKIP1~0)))) (and (let ((.cse2 (= ~MPR1~0 ~s~0))) (or (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (and .cse2 (<= ~setEventCalled~0 1) (= 259 IofCallDriver_~returnVal2~0) (<= 1 ~setEventCalled~0)) (not (= ~NP~0 |old(~s~0)|)) (and .cse2 (= (+ IofCallDriver_~returnVal2~0 1073741823) 0)) .cse3 (not (<= (+ ~NP~0 5) ~MPR3~0)) (and .cse2 (= IofCallDriver_~returnVal2~0 0)))) (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse3 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-09-21 11:23:06,888 INFO L264 CegarLoopResult]: At program point L457(lines 456 471) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse2 (not (<= (+ ~NP~0 2) ~SKIP1~0)))) (and (or (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~MPR1~0 ~s~0) (<= ~setEventCalled~0 1) (<= 1 ~setEventCalled~0))) (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-09-21 11:23:06,889 INFO L268 CegarLoopResult]: For program point L486(lines 486 493) no Hoare annotation was computed. [2020-09-21 11:23:06,889 INFO L268 CegarLoopResult]: For program point L449(lines 449 472) no Hoare annotation was computed. [2020-09-21 11:23:06,889 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-09-21 11:23:06,889 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse2 (not (<= (+ ~NP~0 2) ~SKIP1~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (and (<= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|) (<= 1 ~setEventCalled~0)) (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))))) [2020-09-21 11:23:06,889 INFO L264 CegarLoopResult]: At program point IofCallDriverENTRY(lines 435 498) the Hoare annotation is: (let ((.cse2 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse3 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse4 (not (<= (+ ~NP~0 2) ~SKIP1~0)))) (and (or .cse0 .cse1 (and .cse2 .cse3 (= ~SKIP1~0 ~s~0)) .cse4 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (and .cse2 .cse3 (= ~s~0 ~NP~0)) (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse4 (not (<= (+ ~NP~0 5) ~MPR3~0))))) [2020-09-21 11:23:06,889 INFO L264 CegarLoopResult]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse2 (not (<= (+ ~NP~0 2) ~SKIP1~0)))) (and (or (not (<= 1 ~compRegistered~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))) (or .cse0 .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))))) [2020-09-21 11:23:06,890 INFO L268 CegarLoopResult]: For program point L491-1(lines 473 495) no Hoare annotation was computed. [2020-09-21 11:23:06,890 INFO L268 CegarLoopResult]: For program point L454(lines 454 471) no Hoare annotation was computed. [2020-09-21 11:23:06,890 INFO L264 CegarLoopResult]: At program point L450(lines 449 472) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse2 (not (<= (+ ~NP~0 2) ~SKIP1~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (= ~MPR1~0 ~s~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))))) [2020-09-21 11:23:06,890 INFO L268 CegarLoopResult]: For program point IofCallDriverFINAL(lines 435 498) no Hoare annotation was computed. [2020-09-21 11:23:06,890 INFO L268 CegarLoopResult]: For program point IofCallDriverEXIT(lines 435 498) no Hoare annotation was computed. [2020-09-21 11:23:06,890 INFO L264 CegarLoopResult]: At program point L455(lines 454 471) the Hoare annotation is: (let ((.cse0 (not (<= ~pended~0 0))) (.cse1 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse2 (not (<= (+ ~NP~0 2) ~SKIP1~0)))) (and (or .cse0 .cse1 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not (= ~compRegistered~0 0))) (or (not (<= 1 ~compRegistered~0)) (= ~MPR1~0 ~s~0) (not (<= (+ ~NP~0 4) ~MPR1~0)) .cse0 .cse1 (not (= ~NP~0 |old(~s~0)|)) .cse2 (not (<= (+ ~NP~0 5) ~MPR3~0))))) [2020-09-21 11:23:06,890 INFO L268 CegarLoopResult]: For program point L443(lines 443 446) no Hoare annotation was computed. [2020-09-21 11:23:06,891 INFO L268 CegarLoopResult]: For program point L443-1(lines 443 446) no Hoare annotation was computed. [2020-09-21 11:23:06,891 INFO L264 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= 1 ~setEventCalled~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= ~setEventCalled~0 1))) [2020-09-21 11:23:06,891 INFO L268 CegarLoopResult]: For program point L429-1(lines 421 434) no Hoare annotation was computed. [2020-09-21 11:23:06,891 INFO L264 CegarLoopResult]: At program point stubMoreProcessingRequiredENTRY(lines 421 434) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= 1 ~setEventCalled~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (= ~s~0 ~NP~0) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (not (<= ~setEventCalled~0 1))) [2020-09-21 11:23:06,891 INFO L268 CegarLoopResult]: For program point stubMoreProcessingRequiredEXIT(lines 421 434) no Hoare annotation was computed. [2020-09-21 11:23:06,891 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:23:06,892 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~compRegistered~0 |old(~compRegistered~0)|) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP2~0 |old(~SKIP2~0)|) (= ~NP~0 |old(~NP~0)|) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= ~s~0 |old(~s~0)|) (= ~SKIP1~0 |old(~SKIP1~0)|) (= ~IPC~0 |old(~IPC~0)|) (= ~DC~0 |old(~DC~0)|) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~customIrp~0 |old(~customIrp~0)|) (= ~UNLOADED~0 |old(~UNLOADED~0)|) (= ~Executive~0 |old(~Executive~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) [2020-09-21 11:23:06,892 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:23:06,892 INFO L264 CegarLoopResult]: At program point L541(line 541) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse4 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse5 (not (<= (+ ~NP~0 5) ~MPR3~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|))))) [2020-09-21 11:23:06,892 INFO L268 CegarLoopResult]: For program point L539(lines 539 543) no Hoare annotation was computed. [2020-09-21 11:23:06,892 INFO L268 CegarLoopResult]: For program point L539-1(lines 526 545) no Hoare annotation was computed. [2020-09-21 11:23:06,892 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectEXIT(lines 521 562) no Hoare annotation was computed. [2020-09-21 11:23:06,893 INFO L268 CegarLoopResult]: For program point L527(lines 527 532) no Hoare annotation was computed. [2020-09-21 11:23:06,893 INFO L268 CegarLoopResult]: For program point L548(lines 548 560) no Hoare annotation was computed. [2020-09-21 11:23:06,893 INFO L268 CegarLoopResult]: For program point KeWaitForSingleObjectFINAL(lines 521 562) no Hoare annotation was computed. [2020-09-21 11:23:06,893 INFO L264 CegarLoopResult]: At program point L534(lines 526 545) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse4 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse5 (not (<= (+ ~NP~0 5) ~MPR3~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|))))) [2020-09-21 11:23:06,893 INFO L268 CegarLoopResult]: For program point L526(lines 526 545) no Hoare annotation was computed. [2020-09-21 11:23:06,893 INFO L264 CegarLoopResult]: At program point L551(lines 550 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse4 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse5 (not (<= (+ ~NP~0 5) ~MPR3~0)))) (and (or .cse0 .cse1 (= ~s~0 ~NP~0) .cse2 .cse3 .cse4 .cse5 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5 (= ~s~0 |old(~s~0)|)))) [2020-09-21 11:23:06,894 INFO L264 CegarLoopResult]: At program point KeWaitForSingleObjectENTRY(lines 521 562) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse4 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse5 (not (<= (+ ~NP~0 5) ~MPR3~0))) (.cse6 (= |old(~customIrp~0)| ~customIrp~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) .cse6)) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~MPR3~0 |old(~s~0)|)) (and (= ~MPR3~0 ~s~0) (<= ~setEventCalled~0 1) .cse6 (<= 1 ~setEventCalled~0)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|))))) [2020-09-21 11:23:06,894 INFO L264 CegarLoopResult]: At program point L549(lines 548 560) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~compRegistered~0))) (.cse1 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse2 (not (<= ~pended~0 0))) (.cse3 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse4 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse5 (not (<= (+ ~NP~0 5) ~MPR3~0)))) (and (or .cse0 .cse1 (= ~s~0 ~NP~0) .cse2 .cse3 .cse4 .cse5 (not (= ~MPR3~0 |old(~s~0)|)) (not (<= |old(~setEventCalled~0)| 1)) (not (<= 1 |old(~setEventCalled~0)|))) (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5 (= ~s~0 |old(~s~0)|)))) [2020-09-21 11:23:06,894 INFO L264 CegarLoopResult]: At program point L507(line 507) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0))) [2020-09-21 11:23:06,894 INFO L268 CegarLoopResult]: For program point L507-1(lines 499 512) no Hoare annotation was computed. [2020-09-21 11:23:06,894 INFO L264 CegarLoopResult]: At program point IofCompleteRequestENTRY(lines 499 512) the Hoare annotation is: (or (not (<= 1 ~compRegistered~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (= ~s~0 |old(~s~0)|)) [2020-09-21 11:23:06,895 INFO L268 CegarLoopResult]: For program point L503(lines 503 509) no Hoare annotation was computed. [2020-09-21 11:23:06,895 INFO L268 CegarLoopResult]: For program point IofCompleteRequestEXIT(lines 499 512) no Hoare annotation was computed. [2020-09-21 11:23:06,895 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:23:06,895 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~MPR1~0 ~s~0) (= ~IPC~0 ~s~0) (= ~SKIP1~0 ~NP~0) (= ~compRegistered~0 0) (= ~SKIP1~0 ~s~0) (<= ~pended~0 0)) [2020-09-21 11:23:06,895 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:23:06,895 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:23:06,896 INFO L264 CegarLoopResult]: At program point L192(lines 192 194) the Hoare annotation is: (let ((.cse8 (<= 1 ~compRegistered~0)) (.cse9 (<= (+ ~NP~0 5) ~MPR3~0)) (.cse10 (<= (+ ~NP~0 4) ~MPR1~0))) (let ((.cse0 (not .cse10)) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse3 (not (= |old(~compRegistered~0)| 0))) (.cse4 (not (= ~NP~0 |old(~s~0)|))) (.cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse6 (not .cse9)) (.cse7 (and .cse9 .cse10 (= ~s~0 |old(~s~0)|) .cse8))) (and (or (not (= (+ |old(~myStatus~0)| 1073741637) 0)) (= (+ ~myStatus~0 1073741637) 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or (and (= ~MPR3~0 ~s~0) (<= 259 KbFilter_PnP_~status~0) (<= ~setEventCalled~0 1) .cse8 (<= 259 KbFilter_PnP_~__cil_tmp23~0) (<= 1 ~setEventCalled~0) (<= KbFilter_PnP_~__cil_tmp23~0 259)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7)))) [2020-09-21 11:23:06,896 INFO L268 CegarLoopResult]: For program point L192-1(lines 192 194) no Hoare annotation was computed. [2020-09-21 11:23:06,896 INFO L268 CegarLoopResult]: For program point L151(lines 151 265) no Hoare annotation was computed. [2020-09-21 11:23:06,896 INFO L268 CegarLoopResult]: For program point L118(lines 118 276) no Hoare annotation was computed. [2020-09-21 11:23:06,896 INFO L264 CegarLoopResult]: At program point L209(line 209) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0)) (and (= ~s~0 ~NP~0) (<= 1 ~compRegistered~0))) [2020-09-21 11:23:06,896 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,896 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,897 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 236) no Hoare annotation was computed. [2020-09-21 11:23:06,897 INFO L268 CegarLoopResult]: For program point L160(lines 160 262) no Hoare annotation was computed. [2020-09-21 11:23:06,897 INFO L268 CegarLoopResult]: For program point L127(lines 127 273) no Hoare annotation was computed. [2020-09-21 11:23:06,897 INFO L264 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,897 INFO L264 CegarLoopResult]: At program point L185(lines 185 186) the Hoare annotation is: (let ((.cse0 (not (<= (+ ~NP~0 4) ~MPR1~0))) (.cse1 (not (<= ~pended~0 0))) (.cse2 (not (<= (+ ~SKIP2~0 3) ~IPC~0))) (.cse3 (not (= |old(~compRegistered~0)| 0))) (.cse4 (not (= ~NP~0 |old(~s~0)|))) (.cse5 (not (<= (+ ~NP~0 2) ~SKIP1~0))) (.cse6 (not (<= (+ ~NP~0 5) ~MPR3~0)))) (and (or (not (= (+ |old(~myStatus~0)| 1073741637) 0)) (= (+ ~myStatus~0 1073741637) 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (<= 1 ~compRegistered~0))))) [2020-09-21 11:23:06,898 INFO L268 CegarLoopResult]: For program point L218-1(lines 214 220) no Hoare annotation was computed. [2020-09-21 11:23:06,898 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 186) no Hoare annotation was computed. [2020-09-21 11:23:06,898 INFO L268 CegarLoopResult]: For program point L169(lines 169 181) no Hoare annotation was computed. [2020-09-21 11:23:06,898 INFO L268 CegarLoopResult]: For program point L136(lines 136 270) no Hoare annotation was computed. [2020-09-21 11:23:06,898 INFO L268 CegarLoopResult]: For program point L103(lines 103 281) no Hoare annotation was computed. [2020-09-21 11:23:06,898 INFO L271 CegarLoopResult]: At program point L260(lines 164 261) the Hoare annotation is: true [2020-09-21 11:23:06,898 INFO L268 CegarLoopResult]: For program point KbFilter_PnPEXIT(lines 73 285) no Hoare annotation was computed. [2020-09-21 11:23:06,899 INFO L268 CegarLoopResult]: For program point L145(lines 145 267) no Hoare annotation was computed. [2020-09-21 11:23:06,899 INFO L268 CegarLoopResult]: For program point L112(lines 112 278) no Hoare annotation was computed. [2020-09-21 11:23:06,899 INFO L264 CegarLoopResult]: At program point L104(lines 103 281) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,899 INFO L268 CegarLoopResult]: For program point L154(lines 154 264) no Hoare annotation was computed. [2020-09-21 11:23:06,899 INFO L268 CegarLoopResult]: For program point L121(lines 121 275) no Hoare annotation was computed. [2020-09-21 11:23:06,899 INFO L264 CegarLoopResult]: At program point KbFilter_PnPENTRY(lines 73 285) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,899 INFO L264 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,900 INFO L268 CegarLoopResult]: For program point KbFilter_PnPFINAL(lines 73 285) no Hoare annotation was computed. [2020-09-21 11:23:06,900 INFO L264 CegarLoopResult]: At program point L163(lines 109 279) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,900 INFO L268 CegarLoopResult]: For program point L130(lines 130 272) no Hoare annotation was computed. [2020-09-21 11:23:06,900 INFO L268 CegarLoopResult]: For program point L139(lines 139 269) no Hoare annotation was computed. [2020-09-21 11:23:06,900 INFO L268 CegarLoopResult]: For program point L106(lines 106 280) no Hoare annotation was computed. [2020-09-21 11:23:06,900 INFO L268 CegarLoopResult]: For program point L230(lines 230 236) no Hoare annotation was computed. [2020-09-21 11:23:06,901 INFO L264 CegarLoopResult]: At program point L255(lines 255 256) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,901 INFO L268 CegarLoopResult]: For program point L255-1(lines 255 256) no Hoare annotation was computed. [2020-09-21 11:23:06,901 INFO L268 CegarLoopResult]: For program point L214(lines 214 220) no Hoare annotation was computed. [2020-09-21 11:23:06,901 INFO L268 CegarLoopResult]: For program point L148(lines 148 266) no Hoare annotation was computed. [2020-09-21 11:23:06,901 INFO L268 CegarLoopResult]: For program point L115(lines 115 277) no Hoare annotation was computed. [2020-09-21 11:23:06,901 INFO L264 CegarLoopResult]: At program point L107(lines 106 280) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compRegistered~0 0) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,902 INFO L268 CegarLoopResult]: For program point L198(lines 198 204) no Hoare annotation was computed. [2020-09-21 11:23:06,902 INFO L268 CegarLoopResult]: For program point L190(lines 190 196) no Hoare annotation was computed. [2020-09-21 11:23:06,902 INFO L268 CegarLoopResult]: For program point L157(lines 157 263) no Hoare annotation was computed. [2020-09-21 11:23:06,902 INFO L268 CegarLoopResult]: For program point L124(lines 124 274) no Hoare annotation was computed. [2020-09-21 11:23:06,902 INFO L268 CegarLoopResult]: For program point L190-2(lines 164 259) no Hoare annotation was computed. [2020-09-21 11:23:06,902 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,903 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-09-21 11:23:06,903 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-09-21 11:23:06,903 INFO L268 CegarLoopResult]: For program point L174-1(lines 169 181) no Hoare annotation was computed. [2020-09-21 11:23:06,903 INFO L268 CegarLoopResult]: For program point L199(lines 199 203) no Hoare annotation was computed. [2020-09-21 11:23:06,903 INFO L268 CegarLoopResult]: For program point L133(lines 133 271) no Hoare annotation was computed. [2020-09-21 11:23:06,903 INFO L268 CegarLoopResult]: For program point L100(lines 100 282) no Hoare annotation was computed. [2020-09-21 11:23:06,903 INFO L264 CegarLoopResult]: At program point L224(lines 224 225) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,904 INFO L268 CegarLoopResult]: For program point L224-1(lines 224 225) no Hoare annotation was computed. [2020-09-21 11:23:06,904 INFO L264 CegarLoopResult]: At program point L249(line 249) the Hoare annotation is: (or (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,904 INFO L268 CegarLoopResult]: For program point L249-1(lines 245 251) no Hoare annotation was computed. [2020-09-21 11:23:06,904 INFO L268 CegarLoopResult]: For program point L142(lines 142 268) no Hoare annotation was computed. [2020-09-21 11:23:06,904 INFO L268 CegarLoopResult]: For program point L109(lines 109 279) no Hoare annotation was computed. [2020-09-21 11:23:06,904 INFO L264 CegarLoopResult]: At program point L101(lines 100 282) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= (+ ~NP~0 4) ~MPR1~0)) (not (<= ~pended~0 0)) (not (<= (+ ~SKIP2~0 3) ~IPC~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= (+ ~NP~0 2) ~SKIP1~0)) (not (<= (+ ~NP~0 5) ~MPR3~0))) [2020-09-21 11:23:06,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:23:06 BoogieIcfgContainer [2020-09-21 11:23:06,951 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:23:06,953 INFO L168 Benchmark]: Toolchain (without parser) took 28040.41 ms. Allocated memory was 146.3 MB in the beginning and 536.9 MB in the end (delta: 390.6 MB). Free memory was 102.0 MB in the beginning and 209.6 MB in the end (delta: -107.6 MB). Peak memory consumption was 380.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:06,954 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. [2020-09-21 11:23:06,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.58 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 178.8 MB in the end (delta: -77.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:06,955 INFO L168 Benchmark]: Boogie Preprocessor took 55.90 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 176.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:06,956 INFO L168 Benchmark]: RCFGBuilder took 771.49 ms. Allocated memory is still 202.9 MB. Free memory was 176.1 MB in the beginning and 130.7 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:06,956 INFO L168 Benchmark]: TraceAbstraction took 26589.24 ms. Allocated memory was 202.9 MB in the beginning and 536.9 MB in the end (delta: 334.0 MB). Free memory was 129.7 MB in the beginning and 209.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 351.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:23:06,959 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 146.3 MB. Free memory was 120.8 MB in the beginning and 120.4 MB in the end (delta: 419.5 kB). Peak memory consumption was 419.5 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 615.58 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 101.6 MB in the beginning and 178.8 MB in the end (delta: -77.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.90 ms. Allocated memory is still 202.9 MB. Free memory was 178.8 MB in the beginning and 176.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 771.49 ms. Allocated memory is still 202.9 MB. Free memory was 176.1 MB in the beginning and 130.7 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26589.24 ms. Allocated memory was 202.9 MB in the beginning and 536.9 MB in the end (delta: 334.0 MB). Free memory was 129.7 MB in the beginning and 209.6 MB in the end (delta: -79.8 MB). Peak memory consumption was 351.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 579]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(NP))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(NP))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(NP))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || 0 <= status) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: (((((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && (((((((!(1 <= compRegistered) || MPR1 == s) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: (((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) || ((setEventCalled == \old(setEventCalled) && s == NP) && \old(customIrp) == customIrp)) && ((((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: (((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) || ((MPR1 == s && setEventCalled <= 1) && 1 <= setEventCalled)) && (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || s == NP) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) && (((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) || s == \old(s)) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: (((((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || (((MPR1 == s && setEventCalled <= 1) && 259 == returnVal2) && 1 <= setEventCalled)) || !(NP == \old(s))) || (MPR1 == s && returnVal2 + 1073741823 == 0)) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) || (MPR1 == s && returnVal2 == 0)) && (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: (((((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || s == NP) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) || !(MPR3 == \old(s))) || !(\old(setEventCalled) <= 1)) || !(1 <= \old(setEventCalled))) && (((((((!(1 <= compRegistered) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) || s == \old(s)) - InvariantResult [Line: 375]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || ((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0)) || !(\old(SKIP1) == \old(NP))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && compRegistered == 0) && \old(customIrp) == customIrp) && s == \old(s)) && myStatus == \old(myStatus)) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3) - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: (((((!(pended <= 0) || !(SKIP2 + 3 <= IPC)) || ((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s)) || !(NP + 2 <= SKIP1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) && (((((((!(1 <= compRegistered) || MPR1 == s) || !(NP + 4 <= MPR1)) || !(pended <= 0)) || !(SKIP2 + 3 <= IPC)) || !(NP == \old(s))) || !(NP + 2 <= SKIP1)) || !(NP + 5 <= MPR3)) - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((((((!(\old(s) == \old(MPR3)) || !(\old(SKIP1) == \old(NP))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || (((((((NP + 5 <= MPR3 && NP + 2 <= SKIP1) && compRegistered == 0) && s == NP) && 0 <= status) && SKIP2 + 3 <= IPC) && NP + 4 <= MPR1) && pended <= 0)) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - InvariantResult [Line: 385]: Loop Invariant Derived loop invariant: ((((((((NP + 2 <= SKIP1 && SKIP2 + 3 <= IPC) && pended <= 0) || !(\old(s) == \old(MPR3))) || !(\old(SKIP1) == \old(NP))) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(IPC))) || !(\old(pended) <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 13 procedures, 151 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.1s, OverallIterations: 20, TraceHistogramMax: 1, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2308 SDtfs, 3347 SDslu, 2982 SDs, 0 SdLazy, 5247 SolverSat, 954 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 392 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 20 MinimizatonAttempts, 187 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 299 PreInvPairs, 374 NumberOfFragments, 2958 HoareAnnotationTreeSize, 299 FomulaSimplifications, 3122 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 53 FomulaSimplificationsInter, 6819 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1052 NumberOfCodeBlocks, 1052 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1032 ConstructedInterpolants, 0 QuantifiedInterpolants, 238503 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...