/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/systemc/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:33:20,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:33:20,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:33:20,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:33:20,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:33:20,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:33:20,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:33:20,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:33:20,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:33:20,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:33:20,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:33:20,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:33:20,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:33:20,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:33:20,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:33:20,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:33:20,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:33:20,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:33:20,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:33:20,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:33:20,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:33:20,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:33:20,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:33:20,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:33:20,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:33:20,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:33:20,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:33:20,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:33:20,403 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:33:20,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:33:20,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:33:20,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:33:20,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:33:20,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:33:20,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:33:20,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:33:20,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:33:20,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:33:20,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:33:20,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:33:20,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:33:20,413 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 11:33:20,439 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:33:20,439 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:33:20,440 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:33:20,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:33:20,441 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:33:20,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:33:20,441 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:33:20,441 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:33:20,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:33:20,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:33:20,442 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:33:20,442 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:33:20,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:33:20,443 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:33:20,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:33:20,443 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:33:20,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:33:20,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:33:20,444 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:33:20,444 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:33:20,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:33:20,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:33:20,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:33:20,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:33:20,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:33:20,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:33:20,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:33:20,446 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:33:20,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:33:20,446 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 11:33:20,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:33:20,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:33:20,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:33:20,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:33:20,942 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:33:20,943 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-09-21 11:33:21,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cab7ac4af/e218a6c6a9c545a8ae2a5e14a5580c78/FLAGeb2735325 [2020-09-21 11:33:21,557 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:33:21,558 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-09-21 11:33:21,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cab7ac4af/e218a6c6a9c545a8ae2a5e14a5580c78/FLAGeb2735325 [2020-09-21 11:33:21,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cab7ac4af/e218a6c6a9c545a8ae2a5e14a5580c78 [2020-09-21 11:33:21,905 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:33:21,911 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:33:21,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:33:21,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:33:21,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:33:21,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:33:21" (1/1) ... [2020-09-21 11:33:21,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131dba71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:21, skipping insertion in model container [2020-09-21 11:33:21,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:33:21" (1/1) ... [2020-09-21 11:33:21,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:33:21,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:33:22,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:33:22,226 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:33:22,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:33:22,401 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:33:22,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22 WrapperNode [2020-09-21 11:33:22,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:33:22,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:33:22,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:33:22,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:33:22,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22" (1/1) ... [2020-09-21 11:33:22,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22" (1/1) ... [2020-09-21 11:33:22,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22" (1/1) ... [2020-09-21 11:33:22,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22" (1/1) ... [2020-09-21 11:33:22,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22" (1/1) ... [2020-09-21 11:33:22,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22" (1/1) ... [2020-09-21 11:33:22,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22" (1/1) ... [2020-09-21 11:33:22,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:33:22,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:33:22,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:33:22,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:33:22,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22" (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 11:33:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-21 11:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-21 11:33:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-21 11:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-21 11:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-21 11:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-21 11:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-21 11:33:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-21 11:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-21 11:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-21 11:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-21 11:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-21 11:33:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-21 11:33:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-21 11:33:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-21 11:33:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-21 11:33:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-21 11:33:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-21 11:33:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-21 11:33:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-21 11:33:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:33:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:33:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-21 11:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-21 11:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-21 11:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-21 11:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-21 11:33:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-21 11:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-21 11:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-21 11:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-21 11:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-21 11:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-21 11:33:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-21 11:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-21 11:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-21 11:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-21 11:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-21 11:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-21 11:33:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-21 11:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-21 11:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-21 11:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:33:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:33:23,089 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:33:23,089 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-21 11:33:23,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:33:23 BoogieIcfgContainer [2020-09-21 11:33:23,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:33:23,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:33:23,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:33:23,104 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:33:23,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:33:21" (1/3) ... [2020-09-21 11:33:23,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddaa4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:33:23, skipping insertion in model container [2020-09-21 11:33:23,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:33:22" (2/3) ... [2020-09-21 11:33:23,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ddaa4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:33:23, skipping insertion in model container [2020-09-21 11:33:23,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:33:23" (3/3) ... [2020-09-21 11:33:23,110 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-09-21 11:33:23,122 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:33:23,137 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:33:23,159 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:33:23,200 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:33:23,200 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:33:23,200 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:33:23,200 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:33:23,201 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:33:23,201 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:33:23,201 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:33:23,201 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:33:23,227 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-09-21 11:33:23,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:33:23,241 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:23,242 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:23,243 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:23,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:23,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1996614335, now seen corresponding path program 1 times [2020-09-21 11:33:23,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:23,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1311653188] [2020-09-21 11:33:23,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:33:23,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-21 11:33:23,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:33:23,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:33:23,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:23,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,715 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:33:23,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:23,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:23,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:23,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:33:23,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:23,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:33:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:23,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,791 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,791 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,792 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,792 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:23,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:23,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:23,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:33:23,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:23,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:23,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:33:23,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:23,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:33:23,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:33:23,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:23,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:23,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:23,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:23,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,904 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:23,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:33:23,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:33:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:23,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:23,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,936 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,937 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,937 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,937 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:23,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:23,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:23,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:23,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:23,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:23,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:23,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:23,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:23,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:23,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:23,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:23,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:23,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:23,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,965 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:23,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:23,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:23,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:23,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:23,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:23,978 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:23,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:23,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:23,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:23,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:23,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:23,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:24,001 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 11:33:24,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1311653188] [2020-09-21 11:33:24,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:24,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:33:24,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190103018] [2020-09-21 11:33:24,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:33:24,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:24,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:33:24,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:33:24,033 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 8 states. [2020-09-21 11:33:25,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:25,618 INFO L93 Difference]: Finished difference Result 412 states and 626 transitions. [2020-09-21 11:33:25,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:33:25,620 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2020-09-21 11:33:25,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:25,639 INFO L225 Difference]: With dead ends: 412 [2020-09-21 11:33:25,639 INFO L226 Difference]: Without dead ends: 247 [2020-09-21 11:33:25,645 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:33:25,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-09-21 11:33:25,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 160. [2020-09-21 11:33:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-09-21 11:33:25,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 212 transitions. [2020-09-21 11:33:25,731 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 212 transitions. Word has length 90 [2020-09-21 11:33:25,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:25,732 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 212 transitions. [2020-09-21 11:33:25,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:33:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 212 transitions. [2020-09-21 11:33:25,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:33:25,736 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:25,737 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:25,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:33:25,737 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:25,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:25,738 INFO L82 PathProgramCache]: Analyzing trace with hash -387310403, now seen corresponding path program 1 times [2020-09-21 11:33:25,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:25,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1875859422] [2020-09-21 11:33:25,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:25,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:25,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:25,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:25,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:25,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:33:25,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:25,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-21 11:33:25,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:33:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:33:25,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 11:33:25,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:25,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:25,992 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:25,992 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:25,992 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:25,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:25,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:25,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:25,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:33:25,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:33:25,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:26,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:26,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:26,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:26,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:33:26,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,031 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,031 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,031 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,031 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:26,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:26,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:26,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:26,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:33:26,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:26,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:26,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:26,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:26,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:26,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:33:26,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:33:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:33:26,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:33:26,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:26,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:26,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:33:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:26,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:26,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:26,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:26,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,124 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,124 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:26,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:26,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:26,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:26,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:26,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:26,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:26,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:26,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,138 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:26,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:26,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:26,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:26,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:26,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:26,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:26,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:26,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:26,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:26,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:26,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:26,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:26,161 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 11:33:26,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1875859422] [2020-09-21 11:33:26,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:26,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:33:26,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593915591] [2020-09-21 11:33:26,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:33:26,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:26,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:33:26,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:33:26,166 INFO L87 Difference]: Start difference. First operand 160 states and 212 transitions. Second operand 9 states. [2020-09-21 11:33:29,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:29,575 INFO L93 Difference]: Finished difference Result 764 states and 1115 transitions. [2020-09-21 11:33:29,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-21 11:33:29,575 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-09-21 11:33:29,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:29,591 INFO L225 Difference]: With dead ends: 764 [2020-09-21 11:33:29,591 INFO L226 Difference]: Without dead ends: 624 [2020-09-21 11:33:29,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=305, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:33:29,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2020-09-21 11:33:29,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 435. [2020-09-21 11:33:29,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-09-21 11:33:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 583 transitions. [2020-09-21 11:33:29,720 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 583 transitions. Word has length 90 [2020-09-21 11:33:29,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:29,721 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 583 transitions. [2020-09-21 11:33:29,721 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:33:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 583 transitions. [2020-09-21 11:33:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:33:29,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:29,723 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:29,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:33:29,723 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:29,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:29,724 INFO L82 PathProgramCache]: Analyzing trace with hash 2014872763, now seen corresponding path program 1 times [2020-09-21 11:33:29,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:29,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177325653] [2020-09-21 11:33:29,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:29,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:29,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:29,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:29,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:29,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:33:29,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:29,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-21 11:33:29,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:29,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:33:29,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:33:29,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-21 11:33:29,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:29,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:29,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:29,896 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:29,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:29,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:29,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:29,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:29,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:33:29,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:29,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:29,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:33:29,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:29,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:29,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:29,925 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:29,925 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:29,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:29,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:29,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:29,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:29,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:29,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:29,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:33:29,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:29,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:29,932 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:29,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:29,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:29,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:29,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:29,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:29,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:29,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:29,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:29,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:33:29,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:29,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:29,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:29,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:29,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:29,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:29,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:29,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:29,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:29,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:29,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:29,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:29,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:29,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:29,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:29,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:29,990 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:29,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:29,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:33:29,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:33:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:33:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:33:29,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:30,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:30,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:30,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:30,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:30,023 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:30,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:30,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:30,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:30,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:30,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:33:30,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:30,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:30,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:30,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:30,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:30,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:30,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:30,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:30,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:30,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:30,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:30,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:30,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:30,040 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:30,040 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:30,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:30,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:30,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:30,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:30,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:30,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:30,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:30,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:30,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:30,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:30,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:30,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:30,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:30,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:30,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:30,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:30,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:30,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:30,086 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:30,086 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:30,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:30,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:30,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:30,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:33:30,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:30,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:30,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:30,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:30,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:30,095 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:30,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:30,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:30,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:30,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:30,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:30,111 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 11:33:30,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177325653] [2020-09-21 11:33:30,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:30,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:33:30,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91528709] [2020-09-21 11:33:30,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:33:30,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:30,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:33:30,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:33:30,118 INFO L87 Difference]: Start difference. First operand 435 states and 583 transitions. Second operand 10 states. [2020-09-21 11:33:32,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:32,697 INFO L93 Difference]: Finished difference Result 1391 states and 1981 transitions. [2020-09-21 11:33:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:33:32,699 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-09-21 11:33:32,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:32,707 INFO L225 Difference]: With dead ends: 1391 [2020-09-21 11:33:32,707 INFO L226 Difference]: Without dead ends: 976 [2020-09-21 11:33:32,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:33:32,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2020-09-21 11:33:32,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 719. [2020-09-21 11:33:32,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2020-09-21 11:33:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 951 transitions. [2020-09-21 11:33:32,786 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 951 transitions. Word has length 90 [2020-09-21 11:33:32,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:32,787 INFO L479 AbstractCegarLoop]: Abstraction has 719 states and 951 transitions. [2020-09-21 11:33:32,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:33:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 951 transitions. [2020-09-21 11:33:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:33:32,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:32,789 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:32,789 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:33:32,790 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:32,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:32,790 INFO L82 PathProgramCache]: Analyzing trace with hash 289245947, now seen corresponding path program 1 times [2020-09-21 11:33:32,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:32,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388764841] [2020-09-21 11:33:32,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:32,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:32,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:32,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:32,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:32,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:33:32,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:32,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-21 11:33:32,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:33:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:33:32,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-21 11:33:32,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:32,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:32,944 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:32,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:32,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:32,945 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:32,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:32,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:32,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:33:32,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:32,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:32,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:32,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:33:32,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:32,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:32,972 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:32,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:32,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:32,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:32,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:32,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:32,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:32,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:32,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:33:32,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:32,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:32,979 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:32,979 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:32,979 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:32,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:32,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:32,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:32,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:32,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:32,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:32,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:33:32,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:32,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:32,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:32,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:32,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:32,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:32,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:32,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:32,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:32,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:32,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:32,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:32,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:32,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:33,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:33,024 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:33,024 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:33,025 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:33,025 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:33,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:33,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:33,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:33:33,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:33,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:33:33,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:33:33,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:33:33,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:33,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:33,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:33,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:33,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:33,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:33,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:33,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:33,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:33,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:33,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:33,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:33:33,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:33,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:33,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:33,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:33,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:33,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:33,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:33,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:33,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:33,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:33,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:33,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:33,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:33,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:33,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:33,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:33,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:33,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:33,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:33,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:33,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:33,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:33,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:33,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:33,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:33,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:33,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:33,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:33,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:33,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:33,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:33,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:33,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:33,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:33,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:33,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:33,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:33,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:33,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:33,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:33,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:33,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:33,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:33,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:33,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:33,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:33,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:33,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:33,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:33,092 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:33,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:33,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:33,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:33,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:33,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:33,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:33,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:33,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:33,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:33,105 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 11:33:33,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388764841] [2020-09-21 11:33:33,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:33,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:33:33,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128625568] [2020-09-21 11:33:33,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:33:33,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:33,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:33:33,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:33:33,108 INFO L87 Difference]: Start difference. First operand 719 states and 951 transitions. Second operand 10 states. [2020-09-21 11:33:35,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:35,374 INFO L93 Difference]: Finished difference Result 1662 states and 2280 transitions. [2020-09-21 11:33:35,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:33:35,374 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-09-21 11:33:35,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:35,386 INFO L225 Difference]: With dead ends: 1662 [2020-09-21 11:33:35,387 INFO L226 Difference]: Without dead ends: 963 [2020-09-21 11:33:35,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:33:35,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2020-09-21 11:33:35,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 719. [2020-09-21 11:33:35,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2020-09-21 11:33:35,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 935 transitions. [2020-09-21 11:33:35,521 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 935 transitions. Word has length 90 [2020-09-21 11:33:35,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:35,522 INFO L479 AbstractCegarLoop]: Abstraction has 719 states and 935 transitions. [2020-09-21 11:33:35,522 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:33:35,522 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 935 transitions. [2020-09-21 11:33:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:33:35,524 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:35,525 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:35,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:33:35,525 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:35,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:35,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1480506555, now seen corresponding path program 1 times [2020-09-21 11:33:35,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:35,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327166049] [2020-09-21 11:33:35,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:33:35,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-21 11:33:35,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:33:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:33:35,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-21 11:33:35,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,711 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:35,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:33:35,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:35,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:33:35,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,732 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:35,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:35,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:35,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:33:35,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:35,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:35,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:35,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:33:35,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:35,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:35,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:35,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:35,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,794 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:33:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:33:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:33:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:33:35,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,823 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,824 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,824 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,824 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:35,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:35,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:33:35,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:35,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,835 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:35,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:35,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:35,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:35,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,841 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,841 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,841 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:35,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:35,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:35,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:35,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:35,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:35,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:35,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:35,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:35,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:35,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,851 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:35,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:35,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:35,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:35,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:35,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:35,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:35,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:35,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:35,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:35,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:35,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:35,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:35,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:35,868 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 11:33:35,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327166049] [2020-09-21 11:33:35,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:35,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:33:35,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948704264] [2020-09-21 11:33:35,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:33:35,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:35,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:33:35,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:33:35,871 INFO L87 Difference]: Start difference. First operand 719 states and 935 transitions. Second operand 10 states. [2020-09-21 11:33:38,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:38,612 INFO L93 Difference]: Finished difference Result 2343 states and 3240 transitions. [2020-09-21 11:33:38,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 11:33:38,612 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-09-21 11:33:38,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:38,628 INFO L225 Difference]: With dead ends: 2343 [2020-09-21 11:33:38,628 INFO L226 Difference]: Without dead ends: 1644 [2020-09-21 11:33:38,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=360, Unknown=0, NotChecked=0, Total=506 [2020-09-21 11:33:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2020-09-21 11:33:38,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1021. [2020-09-21 11:33:38,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2020-09-21 11:33:38,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1292 transitions. [2020-09-21 11:33:38,829 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1292 transitions. Word has length 90 [2020-09-21 11:33:38,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:38,830 INFO L479 AbstractCegarLoop]: Abstraction has 1021 states and 1292 transitions. [2020-09-21 11:33:38,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:33:38,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1292 transitions. [2020-09-21 11:33:38,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:33:38,832 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:38,833 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:38,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:33:38,833 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:38,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:38,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1566662267, now seen corresponding path program 1 times [2020-09-21 11:33:38,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:38,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1725380869] [2020-09-21 11:33:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:38,874 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:38,874 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:38,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:38,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:38,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:33:38,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:38,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:33:38,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:33:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 11:33:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:33:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:38,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:38,950 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:38,950 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:38,950 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:38,950 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:38,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:38,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:38,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:38,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:38,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:38,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:38,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:38,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:38,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:38,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:38,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:38,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:38,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:38,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:38,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:38,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:38,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:38,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:38,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:38,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:38,975 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:38,975 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:38,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:38,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:38,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:38,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:38,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:38,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:38,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:38,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:38,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:38,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:38,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:38,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:38,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:38,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:38,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:38,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:38,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:38,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:38,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:38,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:38,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:39,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:39,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:39,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:39,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:39,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:39,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:39,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:39,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:39,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:39,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:39,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:39,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:39,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:39,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:39,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:39,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:39,029 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:39,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:39,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:39,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:39,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:33:39,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:33:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 11:33:39,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:33:39,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:39,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:39,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:39,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:39,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:39,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:39,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:39,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:39,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:33:39,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:33:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:39,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:39,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:39,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:39,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:39,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:39,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:39,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:39,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:39,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:39,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:39,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 11:33:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:39,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:39,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:39,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:39,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:39,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:39,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:39,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:39,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 11:33:39,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:39,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:39,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:39,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:39,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:39,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:39,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:39,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:39,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:39,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:39,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:39,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:39,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:39,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:39,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:39,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:39,100 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:39,100 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:39,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:39,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:39,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:39,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:39,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:39,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:39,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:39,109 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 11:33:39,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1725380869] [2020-09-21 11:33:39,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:39,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:33:39,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610691147] [2020-09-21 11:33:39,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:33:39,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:39,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:33:39,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:33:39,112 INFO L87 Difference]: Start difference. First operand 1021 states and 1292 transitions. Second operand 10 states. [2020-09-21 11:33:40,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:40,900 INFO L93 Difference]: Finished difference Result 2295 states and 3013 transitions. [2020-09-21 11:33:40,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:33:40,901 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-09-21 11:33:40,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:40,909 INFO L225 Difference]: With dead ends: 2295 [2020-09-21 11:33:40,909 INFO L226 Difference]: Without dead ends: 1295 [2020-09-21 11:33:40,913 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:33:40,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2020-09-21 11:33:40,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1041. [2020-09-21 11:33:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1041 states. [2020-09-21 11:33:41,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1305 transitions. [2020-09-21 11:33:41,001 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1305 transitions. Word has length 90 [2020-09-21 11:33:41,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:41,002 INFO L479 AbstractCegarLoop]: Abstraction has 1041 states and 1305 transitions. [2020-09-21 11:33:41,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:33:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1305 transitions. [2020-09-21 11:33:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:33:41,003 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:41,003 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:41,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:33:41,004 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:41,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:41,004 INFO L82 PathProgramCache]: Analyzing trace with hash -461923843, now seen corresponding path program 1 times [2020-09-21 11:33:41,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:41,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546737897] [2020-09-21 11:33:41,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:33:41,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:33:41,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:33:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-21 11:33:41,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:33:41,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:41,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:41,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:41,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:41,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,099 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,099 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,100 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:41,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:41,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:41,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:41,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:41,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:41,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:41,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:41,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:41,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:41,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:41,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:41,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:41,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:41,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:41,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,156 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,156 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:41,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:33:41,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:33:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 11:33:41,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:33:41,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:41,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:41,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:41,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:41,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:41,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:41,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:41,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:33:41,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:33:41,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:41,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:41,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:41,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:41,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-21 11:33:41,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:41,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:41,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:41,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:41,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:41,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:41,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:41,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:41,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:41,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:41,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:41,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:41,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:41,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:41,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:41,244 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 11:33:41,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546737897] [2020-09-21 11:33:41,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:41,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:33:41,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977385360] [2020-09-21 11:33:41,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:33:41,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:41,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:33:41,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:33:41,246 INFO L87 Difference]: Start difference. First operand 1041 states and 1305 transitions. Second operand 10 states. [2020-09-21 11:33:42,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:42,958 INFO L93 Difference]: Finished difference Result 2318 states and 3012 transitions. [2020-09-21 11:33:42,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:33:42,959 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-09-21 11:33:42,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:42,966 INFO L225 Difference]: With dead ends: 2318 [2020-09-21 11:33:42,966 INFO L226 Difference]: Without dead ends: 1298 [2020-09-21 11:33:42,971 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:33:42,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1298 states. [2020-09-21 11:33:43,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1298 to 1061. [2020-09-21 11:33:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1061 states. [2020-09-21 11:33:43,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1318 transitions. [2020-09-21 11:33:43,070 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1318 transitions. Word has length 90 [2020-09-21 11:33:43,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:43,070 INFO L479 AbstractCegarLoop]: Abstraction has 1061 states and 1318 transitions. [2020-09-21 11:33:43,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:33:43,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1318 transitions. [2020-09-21 11:33:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:33:43,071 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:43,072 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:43,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:33:43,072 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:43,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:43,072 INFO L82 PathProgramCache]: Analyzing trace with hash -213777349, now seen corresponding path program 1 times [2020-09-21 11:33:43,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:43,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447129138] [2020-09-21 11:33:43,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,109 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:33:43,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:33:43,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:33:43,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-21 11:33:43,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:33:43,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:43,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:43,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:43,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:43,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:43,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:43,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:43,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:43,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:43,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,205 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,205 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:43,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:43,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:43,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:43,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:43,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:43,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,227 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,228 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,228 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:43,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:43,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:43,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:43,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:43,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:43,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:43,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:43,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:43,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:43,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:43,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,269 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,270 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:43,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:33:43,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:33:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-21 11:33:43,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:33:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:43,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,337 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,338 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,338 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:43,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:43,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:43,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:43,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:43,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:43,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:43,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:43,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:43,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:43,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,361 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:43,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:33:43,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:33:43,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:43,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:43,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:43,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,401 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:43,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:43,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:43,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:43,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:43,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:43,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:43,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:43,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:43,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:43,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:43,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:43,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:43,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:43,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:43,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:43,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:43,419 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 11:33:43,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447129138] [2020-09-21 11:33:43,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:43,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:33:43,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739782619] [2020-09-21 11:33:43,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:33:43,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:43,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:33:43,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:33:43,422 INFO L87 Difference]: Start difference. First operand 1061 states and 1318 transitions. Second operand 10 states. [2020-09-21 11:33:45,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:45,236 INFO L93 Difference]: Finished difference Result 2355 states and 3030 transitions. [2020-09-21 11:33:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-21 11:33:45,236 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2020-09-21 11:33:45,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:45,243 INFO L225 Difference]: With dead ends: 2355 [2020-09-21 11:33:45,244 INFO L226 Difference]: Without dead ends: 1315 [2020-09-21 11:33:45,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:33:45,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2020-09-21 11:33:45,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 1086. [2020-09-21 11:33:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1086 states. [2020-09-21 11:33:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1337 transitions. [2020-09-21 11:33:45,336 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1337 transitions. Word has length 90 [2020-09-21 11:33:45,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:45,337 INFO L479 AbstractCegarLoop]: Abstraction has 1086 states and 1337 transitions. [2020-09-21 11:33:45,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:33:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1337 transitions. [2020-09-21 11:33:45,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-09-21 11:33:45,338 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:45,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:45,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:33:45,339 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:45,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:45,339 INFO L82 PathProgramCache]: Analyzing trace with hash -286163907, now seen corresponding path program 1 times [2020-09-21 11:33:45,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:45,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153864662] [2020-09-21 11:33:45,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-09-21 11:33:45,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:45,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:45,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-21 11:33:45,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:45,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,427 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:45,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:45,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,445 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,446 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,446 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,446 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:45,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:45,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,454 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:45,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:45,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:45,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,473 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,473 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,473 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,473 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:45,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:45,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,497 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,497 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,498 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:45,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:45,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:45,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:45,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,518 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,518 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:45,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:45,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,523 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:45,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:45,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:45,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:45,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,535 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:45,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:45,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:45,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:45,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:45,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:45,542 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:45,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:45,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:45,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:45,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:45,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:45,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:45,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:33:45,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:45,557 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 11:33:45,557 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153864662] [2020-09-21 11:33:45,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:45,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:33:45,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765415066] [2020-09-21 11:33:45,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:33:45,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:45,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:33:45,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:33:45,564 INFO L87 Difference]: Start difference. First operand 1086 states and 1337 transitions. Second operand 7 states. [2020-09-21 11:33:47,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:47,526 INFO L93 Difference]: Finished difference Result 3538 states and 4558 transitions. [2020-09-21 11:33:47,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:33:47,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-09-21 11:33:47,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:47,539 INFO L225 Difference]: With dead ends: 3538 [2020-09-21 11:33:47,540 INFO L226 Difference]: Without dead ends: 2474 [2020-09-21 11:33:47,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:33:47,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2020-09-21 11:33:47,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2180. [2020-09-21 11:33:47,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2180 states. [2020-09-21 11:33:47,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2180 states to 2180 states and 2752 transitions. [2020-09-21 11:33:47,772 INFO L78 Accepts]: Start accepts. Automaton has 2180 states and 2752 transitions. Word has length 90 [2020-09-21 11:33:47,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:47,773 INFO L479 AbstractCegarLoop]: Abstraction has 2180 states and 2752 transitions. [2020-09-21 11:33:47,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:33:47,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2752 transitions. [2020-09-21 11:33:47,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 11:33:47,778 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:47,779 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:33:47,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:33:47,781 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:47,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:47,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1417763379, now seen corresponding path program 1 times [2020-09-21 11:33:47,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:47,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480730170] [2020-09-21 11:33:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-09-21 11:33:47,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-21 11:33:47,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:33:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 76 [2020-09-21 11:33:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-09-21 11:33:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,891 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:47,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:47,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:47,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:47,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,909 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,909 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,909 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,909 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:47,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:47,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:47,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:47,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:47,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:47,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:47,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:47,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:47,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,949 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,949 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:47,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:47,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:47,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,963 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:47,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:47,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:47,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 11:33:47,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:47,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:47,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:47,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:47,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,982 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,982 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:47,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:47,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:47,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,988 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,988 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:47,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:47,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:33:47,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:47,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:47,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:47,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:47,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:47,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:47,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:47,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:47,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:47,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:47,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:33:47,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:48,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:48,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:48,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:48,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:48,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:48,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:48,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:48,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:48,015 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 11:33:48,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480730170] [2020-09-21 11:33:48,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:48,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:33:48,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272917093] [2020-09-21 11:33:48,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:33:48,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:48,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:33:48,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:33:48,018 INFO L87 Difference]: Start difference. First operand 2180 states and 2752 transitions. Second operand 7 states. [2020-09-21 11:33:50,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:50,451 INFO L93 Difference]: Finished difference Result 6972 states and 9398 transitions. [2020-09-21 11:33:50,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:33:50,452 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-09-21 11:33:50,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:50,478 INFO L225 Difference]: With dead ends: 6972 [2020-09-21 11:33:50,478 INFO L226 Difference]: Without dead ends: 4819 [2020-09-21 11:33:50,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:33:50,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2020-09-21 11:33:51,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4340. [2020-09-21 11:33:51,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4340 states. [2020-09-21 11:33:51,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4340 states to 4340 states and 5727 transitions. [2020-09-21 11:33:51,053 INFO L78 Accepts]: Start accepts. Automaton has 4340 states and 5727 transitions. Word has length 91 [2020-09-21 11:33:51,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:51,055 INFO L479 AbstractCegarLoop]: Abstraction has 4340 states and 5727 transitions. [2020-09-21 11:33:51,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:33:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 4340 states and 5727 transitions. [2020-09-21 11:33:51,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-21 11:33:51,058 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:51,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:51,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:33:51,059 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:51,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:51,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1387972843, now seen corresponding path program 1 times [2020-09-21 11:33:51,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:51,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [115530229] [2020-09-21 11:33:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-21 11:33:51,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:51,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:33:51,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-21 11:33:51,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:51,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:51,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:51,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:51,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:51,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:51,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:51,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:51,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:33:51,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:51,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,159 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:51,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:51,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:51,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:33:51,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:51,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,180 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:51,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:51,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-21 11:33:51,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:33:51,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:51,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,209 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,209 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,210 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:51,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:51,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:51,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:51,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:51,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:51,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-09-21 11:33:51,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:51,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,236 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,237 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,237 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:51,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:51,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:51,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:51,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:51,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:51,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:51,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:51,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,251 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,251 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,251 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,251 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:51,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:51,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:51,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:51,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:51,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:51,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-21 11:33:51,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:51,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:51,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:51,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:51,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:33:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,282 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:51,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:51,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:51,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:33:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:51,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:51,291 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:51,291 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:51,291 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:51,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:51,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:51,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:51,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:33:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:51,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-09-21 11:33:51,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [115530229] [2020-09-21 11:33:51,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:51,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:33:51,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427225189] [2020-09-21 11:33:51,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:33:51,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:51,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:33:51,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:33:51,314 INFO L87 Difference]: Start difference. First operand 4340 states and 5727 transitions. Second operand 9 states. [2020-09-21 11:33:53,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:53,177 INFO L93 Difference]: Finished difference Result 9601 states and 13114 transitions. [2020-09-21 11:33:53,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:33:53,178 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2020-09-21 11:33:53,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:53,206 INFO L225 Difference]: With dead ends: 9601 [2020-09-21 11:33:53,206 INFO L226 Difference]: Without dead ends: 5283 [2020-09-21 11:33:53,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2020-09-21 11:33:53,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5283 states. [2020-09-21 11:33:53,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5283 to 4585. [2020-09-21 11:33:53,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4585 states. [2020-09-21 11:33:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4585 states to 4585 states and 6210 transitions. [2020-09-21 11:33:53,724 INFO L78 Accepts]: Start accepts. Automaton has 4585 states and 6210 transitions. Word has length 111 [2020-09-21 11:33:53,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:53,725 INFO L479 AbstractCegarLoop]: Abstraction has 4585 states and 6210 transitions. [2020-09-21 11:33:53,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:33:53,725 INFO L276 IsEmpty]: Start isEmpty. Operand 4585 states and 6210 transitions. [2020-09-21 11:33:53,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-09-21 11:33:53,727 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:53,727 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:53,727 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-21 11:33:53,727 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:53,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:53,728 INFO L82 PathProgramCache]: Analyzing trace with hash 36587625, now seen corresponding path program 1 times [2020-09-21 11:33:53,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:53,728 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756276956] [2020-09-21 11:33:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,757 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,757 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,757 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-09-21 11:33:53,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:33:53,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:53,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-09-21 11:33:53,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:33:53,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:53,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:53,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:53,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:53,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:53,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:53,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,846 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:53,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:53,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:53,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:53,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,874 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,874 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:53,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:53,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,881 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:53,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:53,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:53,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:53,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:53,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:53,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:53,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:53,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:53,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:53,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:53,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:53,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:33:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:53,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:53,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:53,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:33:53,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:53,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:33:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:53,926 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:53,927 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:53,927 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:53,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:53,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:53,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:53,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:53,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:33:53,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756276956] [2020-09-21 11:33:53,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:53,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:33:53,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752054746] [2020-09-21 11:33:53,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:33:53,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:53,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:33:53,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:33:53,942 INFO L87 Difference]: Start difference. First operand 4585 states and 6210 transitions. Second operand 8 states. [2020-09-21 11:33:57,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:33:57,491 INFO L93 Difference]: Finished difference Result 14392 states and 20510 transitions. [2020-09-21 11:33:57,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:33:57,492 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 111 [2020-09-21 11:33:57,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:33:57,557 INFO L225 Difference]: With dead ends: 14392 [2020-09-21 11:33:57,557 INFO L226 Difference]: Without dead ends: 7475 [2020-09-21 11:33:57,602 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:33:57,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7475 states. [2020-09-21 11:33:58,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7475 to 6764. [2020-09-21 11:33:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6764 states. [2020-09-21 11:33:58,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6764 states to 6764 states and 9330 transitions. [2020-09-21 11:33:58,413 INFO L78 Accepts]: Start accepts. Automaton has 6764 states and 9330 transitions. Word has length 111 [2020-09-21 11:33:58,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:33:58,414 INFO L479 AbstractCegarLoop]: Abstraction has 6764 states and 9330 transitions. [2020-09-21 11:33:58,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:33:58,414 INFO L276 IsEmpty]: Start isEmpty. Operand 6764 states and 9330 transitions. [2020-09-21 11:33:58,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-09-21 11:33:58,420 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:33:58,421 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:33:58,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-21 11:33:58,421 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:33:58,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:33:58,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1178118941, now seen corresponding path program 1 times [2020-09-21 11:33:58,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:33:58,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529544379] [2020-09-21 11:33:58,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:33:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-21 11:33:58,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:33:58,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-09-21 11:33:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:33:58,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:58,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,538 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:58,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:33:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,558 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,558 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:33:58,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:33:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:33:58,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:58,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:33:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,582 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,583 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:58,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:33:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:58,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:33:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,614 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,615 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,615 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:58,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:58,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,622 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,623 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,623 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:58,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:58,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,629 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,630 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,630 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:58,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:58,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,637 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,637 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:58,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:33:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:33:58,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:58,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:33:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,652 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,653 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,653 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,653 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:58,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:33:58,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-21 11:33:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:58,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:58,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:33:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,678 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:33:58,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:33:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:33:58,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-21 11:33:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,705 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,705 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,705 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,705 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:33:58,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-21 11:33:58,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:33:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,716 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,716 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,716 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,716 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:33:58,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:33:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,731 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,731 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,732 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,732 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:33:58,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:33:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,739 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:58,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:33:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,746 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:58,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:33:58,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:33:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:33:58,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:33:58,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:33:58,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:33:58,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:33:58,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:33:58,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:33:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:33:58,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:33:58,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:33:58,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:33:58,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:33:58,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:33:58,778 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-09-21 11:33:58,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529544379] [2020-09-21 11:33:58,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:33:58,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:33:58,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050569852] [2020-09-21 11:33:58,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:33:58,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:33:58,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:33:58,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:33:58,781 INFO L87 Difference]: Start difference. First operand 6764 states and 9330 transitions. Second operand 9 states. [2020-09-21 11:34:02,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:34:02,143 INFO L93 Difference]: Finished difference Result 17278 states and 25280 transitions. [2020-09-21 11:34:02,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:34:02,143 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2020-09-21 11:34:02,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:34:02,203 INFO L225 Difference]: With dead ends: 17278 [2020-09-21 11:34:02,203 INFO L226 Difference]: Without dead ends: 10536 [2020-09-21 11:34:02,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2020-09-21 11:34:02,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10536 states. [2020-09-21 11:34:03,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10536 to 9538. [2020-09-21 11:34:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9538 states. [2020-09-21 11:34:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9538 states to 9538 states and 13418 transitions. [2020-09-21 11:34:03,127 INFO L78 Accepts]: Start accepts. Automaton has 9538 states and 13418 transitions. Word has length 155 [2020-09-21 11:34:03,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:34:03,128 INFO L479 AbstractCegarLoop]: Abstraction has 9538 states and 13418 transitions. [2020-09-21 11:34:03,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:34:03,128 INFO L276 IsEmpty]: Start isEmpty. Operand 9538 states and 13418 transitions. [2020-09-21 11:34:03,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-21 11:34:03,134 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:34:03,134 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:03,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-21 11:34:03,135 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:34:03,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:34:03,135 INFO L82 PathProgramCache]: Analyzing trace with hash -390866386, now seen corresponding path program 1 times [2020-09-21 11:34:03,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:34:03,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654213508] [2020-09-21 11:34:03,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:34:03,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,180 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-09-21 11:34:03,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:34:03,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:34:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-09-21 11:34:03,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:34:03,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:03,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:34:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,257 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,258 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:34:03,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:03,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:34:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:34:03,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:03,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:34:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:34:03,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:03,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:03,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:34:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:03,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:03,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:34:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,330 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:34:03,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:03,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:34:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:34:03,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:34:03,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:34:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:03,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:03,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:03,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:34:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:03,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:34:03,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:03,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:34:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,367 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,367 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,367 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:03,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:34:03,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:34:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,377 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:34:03,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-21 11:34:03,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:34:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:03,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:34:03,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:03,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:34:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,407 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,407 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:03,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:34:03,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-09-21 11:34:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,415 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,415 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,415 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,416 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:03,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:34:03,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-09-21 11:34:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,452 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:34:03,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-21 11:34:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:34:03,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:03,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:34:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,475 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:34:03,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:34:03,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:34:03,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:34:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,496 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,496 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,497 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,497 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:34:03,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:03,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-21 11:34:03,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:34:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:03,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:03,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:03,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:03,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:34:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,523 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,524 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:03,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:03,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:34:03,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:34:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:03,532 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:03,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:03,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:03,533 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:03,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:03,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:03,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:03,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:03,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:03,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:34:03,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-09-21 11:34:03,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654213508] [2020-09-21 11:34:03,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:34:03,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:34:03,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155899724] [2020-09-21 11:34:03,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:34:03,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:34:03,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:34:03,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:34:03,598 INFO L87 Difference]: Start difference. First operand 9538 states and 13418 transitions. Second operand 10 states. [2020-09-21 11:34:04,288 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-09-21 11:34:07,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:34:07,540 INFO L93 Difference]: Finished difference Result 21894 states and 32821 transitions. [2020-09-21 11:34:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-21 11:34:07,541 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-09-21 11:34:07,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:34:07,580 INFO L225 Difference]: With dead ends: 21894 [2020-09-21 11:34:07,580 INFO L226 Difference]: Without dead ends: 9633 [2020-09-21 11:34:07,623 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2020-09-21 11:34:07,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9633 states. [2020-09-21 11:34:08,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9633 to 8842. [2020-09-21 11:34:08,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8842 states. [2020-09-21 11:34:08,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8842 states to 8842 states and 12357 transitions. [2020-09-21 11:34:08,320 INFO L78 Accepts]: Start accepts. Automaton has 8842 states and 12357 transitions. Word has length 156 [2020-09-21 11:34:08,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:34:08,321 INFO L479 AbstractCegarLoop]: Abstraction has 8842 states and 12357 transitions. [2020-09-21 11:34:08,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:34:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 8842 states and 12357 transitions. [2020-09-21 11:34:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-09-21 11:34:08,333 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:34:08,334 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:08,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-21 11:34:08,334 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:34:08,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:34:08,335 INFO L82 PathProgramCache]: Analyzing trace with hash -226510242, now seen corresponding path program 1 times [2020-09-21 11:34:08,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:34:08,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624646658] [2020-09-21 11:34:08,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:34:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,374 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,375 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,375 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-09-21 11:34:08,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 200 [2020-09-21 11:34:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:34:08,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:08,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:34:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:34:08,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:08,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:34:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,464 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:34:08,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:08,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:08,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:34:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,468 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,469 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:34:08,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:08,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:34:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,484 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,485 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:08,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:08,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:34:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,508 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,508 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,509 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,509 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:34:08,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:34:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,517 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,517 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,518 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,518 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:34:08,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:34:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:08,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:34:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,535 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:08,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:34:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:08,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:34:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,550 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:34:08,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:34:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,556 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,556 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,557 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,557 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:08,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:34:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:08,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:34:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,614 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:08,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:34:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,621 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,621 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,621 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:08,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 11:34:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,657 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-21 11:34:08,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:08,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-21 11:34:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:34:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,672 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,673 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,673 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,673 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:34:08,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:34:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-21 11:34:08,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:34:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,707 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:08,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:34:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,713 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,714 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,714 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,714 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:08,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:34:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,728 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,728 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,729 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,729 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:34:08,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:34:08,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:08,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:08,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-21 11:34:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-21 11:34:08,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:08,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:34:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-21 11:34:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:34:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-09-21 11:34:08,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:08,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:08,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-21 11:34:08,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:34:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,809 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:34:08,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:08,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:34:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:34:08,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:08,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:08,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:34:08,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:34:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,835 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,835 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,836 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,836 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:08,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:08,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:08,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:34:08,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:34:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:08,844 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:08,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:08,845 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:08,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:08,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:08,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:08,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:08,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:34:08,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:08,934 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2020-09-21 11:34:08,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624646658] [2020-09-21 11:34:08,936 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:34:08,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:34:08,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309842479] [2020-09-21 11:34:08,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:34:08,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:34:08,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:34:08,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:34:08,938 INFO L87 Difference]: Start difference. First operand 8842 states and 12357 transitions. Second operand 11 states. [2020-09-21 11:34:12,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:34:12,302 INFO L93 Difference]: Finished difference Result 16918 states and 23993 transitions. [2020-09-21 11:34:12,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-21 11:34:12,303 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 206 [2020-09-21 11:34:12,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:34:12,338 INFO L225 Difference]: With dead ends: 16918 [2020-09-21 11:34:12,338 INFO L226 Difference]: Without dead ends: 8097 [2020-09-21 11:34:12,366 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2020-09-21 11:34:12,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8097 states. [2020-09-21 11:34:12,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8097 to 7380. [2020-09-21 11:34:12,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7380 states. [2020-09-21 11:34:12,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7380 states to 7380 states and 9338 transitions. [2020-09-21 11:34:12,869 INFO L78 Accepts]: Start accepts. Automaton has 7380 states and 9338 transitions. Word has length 206 [2020-09-21 11:34:12,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:34:12,870 INFO L479 AbstractCegarLoop]: Abstraction has 7380 states and 9338 transitions. [2020-09-21 11:34:12,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-21 11:34:12,870 INFO L276 IsEmpty]: Start isEmpty. Operand 7380 states and 9338 transitions. [2020-09-21 11:34:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-21 11:34:12,877 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:34:12,878 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:34:12,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-21 11:34:12,878 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:34:12,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:34:12,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1206430115, now seen corresponding path program 1 times [2020-09-21 11:34:12,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:34:12,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [64345991] [2020-09-21 11:34:12,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:34:12,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:12,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:12,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:12,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:12,919 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:12,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-21 11:34:12,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:12,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:12,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-21 11:34:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-21 11:34:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:12,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:34:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:12,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:12,993 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:12,993 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:12,993 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:12,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:34:12,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:12,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:12,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:12,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:12,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:34:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,008 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:34:13,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:13,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:34:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,012 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:34:13,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:13,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:34:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:13,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:13,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-21 11:34:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,045 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,045 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,045 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,046 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:34:13,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:13,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-21 11:34:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-21 11:34:13,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:13,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:34:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,058 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,059 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:13,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:13,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:34:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,063 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:13,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:13,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:34:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:13,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:13,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-09-21 11:34:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:34:13,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:13,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-09-21 11:34:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:13,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:13,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-09-21 11:34:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:13,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:13,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-21 11:34:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:13,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:13,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-21 11:34:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 11:34:13,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:34:13,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 11:34:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-21 11:34:13,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:13,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:34:13,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:34:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,192 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:34:13,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:13,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:34:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,203 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,203 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-21 11:34:13,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:13,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:34:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,214 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,214 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,215 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,215 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:13,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:13,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:34:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,222 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:13,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:13,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-21 11:34:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:34:13,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:34:13,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-21 11:34:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,252 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,252 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-21 11:34:13,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:34:13,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-21 11:34:13,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-21 11:34:13,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-21 11:34:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,279 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,280 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,280 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-21 11:34:13,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:13,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-21 11:34:13,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:34:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,301 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,301 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,302 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-21 11:34:13,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:13,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:13,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:34:13,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:34:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,316 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,317 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-21 11:34:13,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:13,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:34:13,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:34:13,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-09-21 11:34:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:13,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:34:13,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:13,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:34:13,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:34:13,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-21 11:34:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:34:13,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:34:13,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:34:13,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:34:13,338 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:34:13,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-21 11:34:13,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:34:13,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:34:13,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:34:13,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:34:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:34:13,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:34:13,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:34:13,414 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2020-09-21 11:34:13,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [64345991] [2020-09-21 11:34:13,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:34:13,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-21 11:34:13,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599819379] [2020-09-21 11:34:13,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-21 11:34:13,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:34:13,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-21 11:34:13,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:34:13,421 INFO L87 Difference]: Start difference. First operand 7380 states and 9338 transitions. Second operand 11 states.