/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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:03:51,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:03:51,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:03:51,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:03:51,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:03:51,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:03:51,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:03:51,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:03:51,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:03:51,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:03:51,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:03:51,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:03:51,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:03:51,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:03:51,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:03:51,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:03:51,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:03:51,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:03:51,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:03:51,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:03:51,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:03:51,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:03:51,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:03:51,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:03:51,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:03:51,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:03:51,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:03:51,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:03:51,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:03:51,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:03:51,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:03:51,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:03:51,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:03:51,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:03:51,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:03:51,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:03:51,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:03:51,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:03:51,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:03:51,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:03:51,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:03:51,625 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 [2020-10-12 21:03:51,647 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:03:51,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:03:51,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:03:51,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:03:51,649 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:03:51,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:03:51,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:03:51,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:03:51,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:03:51,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:03:51,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:03:51,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:03:51,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:03:51,651 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:03:51,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:03:51,651 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:03:51,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:03:51,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:03:51,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:03:51,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:03:51,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:03:51,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:03:51,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:03:51,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:03:51,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:03:51,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:03:51,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:03:51,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:03:51,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:03:51,654 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.rcfgbuilder: Size of a code block -> SequenceOfStatements 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;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 21:03:51,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:03:51,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:03:52,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:03:52,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:03:52,004 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:03:52,005 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-10-12 21:03:52,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0cda2e8c3/ee52b234ab1f4fbc82e039e724a585c6/FLAG12c8400a0 [2020-10-12 21:03:52,569 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:03:52,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-10-12 21:03:52,580 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0cda2e8c3/ee52b234ab1f4fbc82e039e724a585c6/FLAG12c8400a0 [2020-10-12 21:03:52,973 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0cda2e8c3/ee52b234ab1f4fbc82e039e724a585c6 [2020-10-12 21:03:52,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:03:52,993 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:03:53,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:03:53,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:03:53,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:03:53,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:03:52" (1/1) ... [2020-10-12 21:03:53,021 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44fd9ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53, skipping insertion in model container [2020-10-12 21:03:53,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:03:52" (1/1) ... [2020-10-12 21:03:53,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:03:53,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:03:53,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:03:53,287 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:03:53,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:03:53,476 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:03:53,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53 WrapperNode [2020-10-12 21:03:53,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:03:53,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:03:53,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:03:53,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:03:53,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (1/1) ... [2020-10-12 21:03:53,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:03:53,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:03:53,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:03:53,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:03:53,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (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 [2020-10-12 21:03:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:03:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:03:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:03:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:03:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:03:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:03:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:03:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:03:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:03:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:03:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:03:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:03:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:03:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:03:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:03:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:03:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:03:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:03:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:03:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:03:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:03:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:03:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:03:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:03:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:03:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:03:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:03:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:03:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:03:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:03:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:03:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:03:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:03:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:03:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:03:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:03:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:03:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:03:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:03:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:03:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:03:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:03:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:03:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:03:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:03:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:03:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:03:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:03:54,203 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:03:54,203 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-12 21:03:54,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:03:54 BoogieIcfgContainer [2020-10-12 21:03:54,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:03:54,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:03:54,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:03:54,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:03:54,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:03:52" (1/3) ... [2020-10-12 21:03:54,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfad038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:03:54, skipping insertion in model container [2020-10-12 21:03:54,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:03:53" (2/3) ... [2020-10-12 21:03:54,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dfad038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:03:54, skipping insertion in model container [2020-10-12 21:03:54,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:03:54" (3/3) ... [2020-10-12 21:03:54,219 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-2.c [2020-10-12 21:03:54,229 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:03:54,237 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:03:54,252 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:03:54,278 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:03:54,278 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:03:54,279 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:03:54,279 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:03:54,279 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:03:54,279 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:03:54,280 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:03:54,280 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:03:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-10-12 21:03:54,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 21:03:54,316 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:03:54,317 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, 1] [2020-10-12 21:03:54,318 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:03:54,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:03:54,325 INFO L82 PathProgramCache]: Analyzing trace with hash -67309704, now seen corresponding path program 1 times [2020-10-12 21:03:54,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:03:54,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409699860] [2020-10-12 21:03:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:03:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:54,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:54,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:55,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:55,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 21:03:59,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:03:59,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:03:59,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:03:59,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:03:59,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-12 21:03:59,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:03:59,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:03:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:59,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:59,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:03:59,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:59,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:03:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:59,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:03:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:03:59,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:59,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:03:59,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:59,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:03:59,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:03:59,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:03:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:03:59,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:59,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:03:59,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:59,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:59,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:03:59,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:59,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:03:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:03:59,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:59,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:03:59,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:03:59,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:03:59,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:03:59,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:59,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:03:59,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:03:59,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:03:59,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:03:59,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:03:59,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:03:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:03:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:03:59,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:03:59,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:03:59,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:03:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:03:59,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:03:59,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:00,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:00,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:04:00,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 458 [2020-10-12 21:04:00,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:04:00,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:00,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:00,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:00,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:00,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:00,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:00,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:00,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:00,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:00,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:00,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:00,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:00,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:00,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:00,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:00,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:00,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:00,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:00,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:00,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:00,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:00,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:00,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:00,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 21:04:00,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:04:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:00,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:00,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:00,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:00,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:04:00,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:00,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:04:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:00,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:00,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:00,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:00,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:00,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:00,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:00,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:00,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:00,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:04:00,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409699860] [2020-10-12 21:04:00,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:00,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:04:00,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011200353] [2020-10-12 21:04:00,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:04:00,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:00,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:04:00,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:04:00,478 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 13 states. [2020-10-12 21:04:03,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:03,219 INFO L93 Difference]: Finished difference Result 445 states and 704 transitions. [2020-10-12 21:04:03,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 21:04:03,221 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 92 [2020-10-12 21:04:03,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:03,236 INFO L225 Difference]: With dead ends: 445 [2020-10-12 21:04:03,237 INFO L226 Difference]: Without dead ends: 272 [2020-10-12 21:04:03,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-10-12 21:04:03,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-12 21:04:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 177. [2020-10-12 21:04:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-12 21:04:03,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 237 transitions. [2020-10-12 21:04:03,328 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 237 transitions. Word has length 92 [2020-10-12 21:04:03,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:03,329 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 237 transitions. [2020-10-12 21:04:03,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:04:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 237 transitions. [2020-10-12 21:04:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 21:04:03,334 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:03,334 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, 1] [2020-10-12 21:04:03,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:04:03,335 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:03,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:03,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1684047420, now seen corresponding path program 1 times [2020-10-12 21:04:03,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:03,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335421988] [2020-10-12 21:04:03,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:03,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:03,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:03,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:03,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:03,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:03,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:05,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:05,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:05,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 21:04:08,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:04:08,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:04:08,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:04:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:08,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 21:04:08,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:08,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:08,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:08,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:08,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:08,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:08,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:08,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:08,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:08,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:08,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:08,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:08,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:08,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:08,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:08,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:08,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:08,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:08,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:04:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:08,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:04:08,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:08,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:04:08,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:04:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:08,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:04:08,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-12 21:04:08,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:08,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:08,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:08,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:08,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:08,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:08,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:08,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:08,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:08,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:08,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:08,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:08,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:08,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:08,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:08,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:04:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:08,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:04:08,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:04:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:04:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:08,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:08,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:08,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:08,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:08,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:08,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:08,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:08,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:08,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:04:08,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335421988] [2020-10-12 21:04:08,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:08,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:04:08,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143142560] [2020-10-12 21:04:08,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:04:08,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:08,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:04:08,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:04:08,768 INFO L87 Difference]: Start difference. First operand 177 states and 237 transitions. Second operand 14 states. [2020-10-12 21:04:12,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:12,956 INFO L93 Difference]: Finished difference Result 752 states and 1114 transitions. [2020-10-12 21:04:12,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 21:04:12,956 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 92 [2020-10-12 21:04:12,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:12,965 INFO L225 Difference]: With dead ends: 752 [2020-10-12 21:04:12,965 INFO L226 Difference]: Without dead ends: 595 [2020-10-12 21:04:12,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=422, Invalid=1384, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 21:04:12,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-10-12 21:04:13,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 391. [2020-10-12 21:04:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2020-10-12 21:04:13,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 519 transitions. [2020-10-12 21:04:13,050 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 519 transitions. Word has length 92 [2020-10-12 21:04:13,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:13,051 INFO L479 AbstractCegarLoop]: Abstraction has 391 states and 519 transitions. [2020-10-12 21:04:13,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:04:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 519 transitions. [2020-10-12 21:04:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 21:04:13,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:13,055 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, 1] [2020-10-12 21:04:13,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:04:13,055 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:13,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:13,056 INFO L82 PathProgramCache]: Analyzing trace with hash 168339644, now seen corresponding path program 1 times [2020-10-12 21:04:13,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:13,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1074097147] [2020-10-12 21:04:13,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:13,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:15,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:15,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-12 21:04:18,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:04:18,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-12 21:04:18,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:04:18,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:18,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-12 21:04:18,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:18,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:18,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:18,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:18,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:18,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:18,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:18,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:18,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:18,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:18,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:18,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:18,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:18,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:18,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:18,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:18,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:18,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:18,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:04:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:18,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:18,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:18,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:04:18,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:04:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:18,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:04:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 21:04:18,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:04:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:18,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:18,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:18,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:18,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:18,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:18,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:18,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:18,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:18,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:18,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:18,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:18,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:04:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:18,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:18,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:18,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:18,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:04:18,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:04:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:18,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:18,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:18,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:18,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:18,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:18,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:18,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 21:04:18,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1074097147] [2020-10-12 21:04:18,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:18,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:04:18,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058870716] [2020-10-12 21:04:18,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:04:18,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:18,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:04:18,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:04:18,344 INFO L87 Difference]: Start difference. First operand 391 states and 519 transitions. Second operand 11 states. [2020-10-12 21:04:21,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:21,532 INFO L93 Difference]: Finished difference Result 1478 states and 2126 transitions. [2020-10-12 21:04:21,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:04:21,533 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 92 [2020-10-12 21:04:21,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:21,548 INFO L225 Difference]: With dead ends: 1478 [2020-10-12 21:04:21,549 INFO L226 Difference]: Without dead ends: 1108 [2020-10-12 21:04:21,552 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=211, Invalid=659, Unknown=0, NotChecked=0, Total=870 [2020-10-12 21:04:21,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2020-10-12 21:04:21,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 792. [2020-10-12 21:04:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-10-12 21:04:21,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1048 transitions. [2020-10-12 21:04:21,673 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1048 transitions. Word has length 92 [2020-10-12 21:04:21,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:21,673 INFO L479 AbstractCegarLoop]: Abstraction has 792 states and 1048 transitions. [2020-10-12 21:04:21,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:04:21,674 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1048 transitions. [2020-10-12 21:04:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:04:21,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:21,678 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:04:21,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:04:21,678 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:21,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:21,679 INFO L82 PathProgramCache]: Analyzing trace with hash 222477181, now seen corresponding path program 1 times [2020-10-12 21:04:21,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:21,679 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805747557] [2020-10-12 21:04:21,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:21,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:21,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:21,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:22,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 21:04:26,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-12 21:04:26,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:04:26,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-12 21:04:26,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:26,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:26,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:26,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:26,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:26,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:26,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:26,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:26,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:26,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:26,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:26,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:04:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:26,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:26,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:26,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:04:26,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:04:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:26,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:26,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 21:04:26,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:26,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:26,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:26,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:26,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:04:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:26,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:26,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:04:26,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:04:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:26,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:26,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:04:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:04:26,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:04:26,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-12 21:04:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:04:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:04:26,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:26,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:26,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:26,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:26,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:26,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:26,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:26,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:26,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 21:04:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:26,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:26,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:26,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:26,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:26,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:26,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:26,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:26,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:26,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-12 21:04:27,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805747557] [2020-10-12 21:04:27,001 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:27,001 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:04:27,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682243095] [2020-10-12 21:04:27,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:04:27,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:27,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:04:27,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:04:27,003 INFO L87 Difference]: Start difference. First operand 792 states and 1048 transitions. Second operand 10 states. [2020-10-12 21:04:28,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:28,626 INFO L93 Difference]: Finished difference Result 2116 states and 2960 transitions. [2020-10-12 21:04:28,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:04:28,627 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-12 21:04:28,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:28,642 INFO L225 Difference]: With dead ends: 2116 [2020-10-12 21:04:28,642 INFO L226 Difference]: Without dead ends: 1344 [2020-10-12 21:04:28,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-10-12 21:04:28,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1344 states. [2020-10-12 21:04:28,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1344 to 946. [2020-10-12 21:04:28,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 946 states. [2020-10-12 21:04:28,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1206 transitions. [2020-10-12 21:04:28,768 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1206 transitions. Word has length 147 [2020-10-12 21:04:28,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:28,768 INFO L479 AbstractCegarLoop]: Abstraction has 946 states and 1206 transitions. [2020-10-12 21:04:28,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:04:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1206 transitions. [2020-10-12 21:04:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:04:28,772 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:28,773 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, 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] [2020-10-12 21:04:28,773 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:04:28,773 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:28,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:28,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1804435228, now seen corresponding path program 1 times [2020-10-12 21:04:28,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:28,774 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155673159] [2020-10-12 21:04:28,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:28,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:28,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:28,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:29,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:29,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:31,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:33,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:33,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 21:04:33,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:04:33,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:04:33,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:04:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 21:04:33,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-12 21:04:33,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:33,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:33,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:33,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:33,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:33,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:33,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:33,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:33,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:33,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:33,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:33,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:33,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:33,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:33,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:33,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:33,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:33,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:33,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:33,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:33,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:33,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:33,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:33,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:33,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:33,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:04:33,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:33,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:04:33,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:33,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:33,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:33,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:33,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:33,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:33,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:33,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:33,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:33,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:04:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:33,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:33,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:33,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:33,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:33,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:33,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:33,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:04:33,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:33,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:04:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:33,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:33,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:33,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:33,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:33,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:04:33,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:04:33,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:33,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:33,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:34,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:04:34,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:34,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:34,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:34,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:34,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:34,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:34,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:34,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:34,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:34,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:04:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:34,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:34,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:34,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:34,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:04:34,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:04:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:34,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:34,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:04:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:04:34,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 21:04:34,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:34,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 21:04:34,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:04:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:04:34,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 21:04:34,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:04:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:04:34,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:34,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:04:34,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:04:34,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:34,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:34,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:34,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:34,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:34,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:34,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:34,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:34,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:34,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:34,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:34,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:34,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 21:04:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:34,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:34,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:34,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:34,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:34,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:34,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:34,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:34,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:34,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:34,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 21:04:34,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155673159] [2020-10-12 21:04:34,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:34,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 21:04:34,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336820404] [2020-10-12 21:04:34,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:04:34,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:34,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:04:34,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:04:34,294 INFO L87 Difference]: Start difference. First operand 946 states and 1206 transitions. Second operand 10 states. [2020-10-12 21:04:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:37,277 INFO L93 Difference]: Finished difference Result 3935 states and 5640 transitions. [2020-10-12 21:04:37,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 21:04:37,277 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-12 21:04:37,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:37,309 INFO L225 Difference]: With dead ends: 3935 [2020-10-12 21:04:37,310 INFO L226 Difference]: Without dead ends: 3011 [2020-10-12 21:04:37,315 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:04:37,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3011 states. [2020-10-12 21:04:37,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3011 to 1953. [2020-10-12 21:04:37,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1953 states. [2020-10-12 21:04:37,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1953 states and 2557 transitions. [2020-10-12 21:04:37,503 INFO L78 Accepts]: Start accepts. Automaton has 1953 states and 2557 transitions. Word has length 147 [2020-10-12 21:04:37,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:37,504 INFO L479 AbstractCegarLoop]: Abstraction has 1953 states and 2557 transitions. [2020-10-12 21:04:37,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:04:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2557 transitions. [2020-10-12 21:04:37,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:04:37,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:37,508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:04:37,508 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:04:37,509 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:37,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:37,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1701678565, now seen corresponding path program 1 times [2020-10-12 21:04:37,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:37,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911837346] [2020-10-12 21:04:37,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:37,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:37,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:37,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:37,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:37,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:37,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:38,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:40,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:40,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 21:04:42,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:04:42,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 21:04:42,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:42,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 21:04:42,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:42,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:04:42,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:42,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:42,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:42,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:42,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:42,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:42,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:42,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:42,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:42,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:42,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:42,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:04:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:42,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:04:42,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:42,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:04:42,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:04:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:42,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:42,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 21:04:42,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:42,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:42,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:42,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:42,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:42,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:42,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:04:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:42,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:42,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:04:42,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:04:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:42,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:04:42,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:04:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:04:42,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:42,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-12 21:04:42,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:04:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:04:42,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:42,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:42,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:42,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:42,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:42,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:42,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:42,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:42,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:42,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 21:04:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:42,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:42,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:42,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:42,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:42,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:42,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:42,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:42,846 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-12 21:04:42,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911837346] [2020-10-12 21:04:42,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:42,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:04:42,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94815079] [2020-10-12 21:04:42,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:04:42,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:42,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:04:42,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:04:42,849 INFO L87 Difference]: Start difference. First operand 1953 states and 2557 transitions. Second operand 11 states. [2020-10-12 21:04:44,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:44,854 INFO L93 Difference]: Finished difference Result 5137 states and 7516 transitions. [2020-10-12 21:04:44,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 21:04:44,854 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-12 21:04:44,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:44,876 INFO L225 Difference]: With dead ends: 5137 [2020-10-12 21:04:44,876 INFO L226 Difference]: Without dead ends: 3207 [2020-10-12 21:04:44,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=361, Unknown=0, NotChecked=0, Total=506 [2020-10-12 21:04:44,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3207 states. [2020-10-12 21:04:45,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3207 to 2075. [2020-10-12 21:04:45,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2075 states. [2020-10-12 21:04:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 2075 states and 2657 transitions. [2020-10-12 21:04:45,079 INFO L78 Accepts]: Start accepts. Automaton has 2075 states and 2657 transitions. Word has length 147 [2020-10-12 21:04:45,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:45,079 INFO L479 AbstractCegarLoop]: Abstraction has 2075 states and 2657 transitions. [2020-10-12 21:04:45,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:04:45,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 2657 transitions. [2020-10-12 21:04:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:04:45,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:45,086 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, 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] [2020-10-12 21:04:45,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:04:45,087 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:45,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:45,087 INFO L82 PathProgramCache]: Analyzing trace with hash 372732314, now seen corresponding path program 1 times [2020-10-12 21:04:45,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:45,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110492918] [2020-10-12 21:04:45,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:45,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:45,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:45,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:45,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:46,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 21:04:49,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:04:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4396 [2020-10-12 21:04:49,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:04:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:04:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 139 [2020-10-12 21:04:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:49,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:49,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:49,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:49,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:49,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:49,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:04:49,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:49,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:49,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:49,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:04:49,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:04:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:49,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:49,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:04:49,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:04:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:49,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:04:49,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:49,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:04:49,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:49,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:49,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:49,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:49,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:49,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:49,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:49,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:49,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:49,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:04:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:49,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:49,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:04:49,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:04:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:49,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:49,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:49,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:04:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:04:49,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 21:04:49,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 21:04:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:04:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:04:49,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:04:49,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:04:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:49,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:04:49,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:49,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:04:49,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:49,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:49,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:04:49,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:49,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:49,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:49,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:49,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:49,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:49,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:49,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:49,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:49,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:49,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:04:49,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 21:04:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:49,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:49,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:49,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:49,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:49,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:49,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:49,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:49,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-12 21:04:49,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110492918] [2020-10-12 21:04:49,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:49,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:04:49,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202963625] [2020-10-12 21:04:49,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:04:49,858 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:49,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:04:49,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:04:49,859 INFO L87 Difference]: Start difference. First operand 2075 states and 2657 transitions. Second operand 9 states. [2020-10-12 21:04:52,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:04:52,746 INFO L93 Difference]: Finished difference Result 8190 states and 12242 transitions. [2020-10-12 21:04:52,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 21:04:52,747 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-12 21:04:52,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:04:52,787 INFO L225 Difference]: With dead ends: 8190 [2020-10-12 21:04:52,787 INFO L226 Difference]: Without dead ends: 6142 [2020-10-12 21:04:52,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 5 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2020-10-12 21:04:52,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6142 states. [2020-10-12 21:04:53,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6142 to 3980. [2020-10-12 21:04:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3980 states. [2020-10-12 21:04:53,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3980 states to 3980 states and 5383 transitions. [2020-10-12 21:04:53,275 INFO L78 Accepts]: Start accepts. Automaton has 3980 states and 5383 transitions. Word has length 147 [2020-10-12 21:04:53,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:04:53,277 INFO L479 AbstractCegarLoop]: Abstraction has 3980 states and 5383 transitions. [2020-10-12 21:04:53,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:04:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3980 states and 5383 transitions. [2020-10-12 21:04:53,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:04:53,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:04:53,285 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] [2020-10-12 21:04:53,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:04:53,285 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:04:53,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:04:53,286 INFO L82 PathProgramCache]: Analyzing trace with hash -850637865, now seen corresponding path program 1 times [2020-10-12 21:04:53,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:04:53,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1830111660] [2020-10-12 21:04:53,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:04:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:53,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:53,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:53,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:53,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:53,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:55,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 21:04:58,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:04:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:04:58,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:04:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:04:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 21:04:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:58,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:58,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:58,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:58,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:04:58,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:04:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:04:58,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:58,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:58,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:58,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:04:58,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:04:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:04:58,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:58,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:58,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:58,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:04:58,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:04:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:58,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:04:58,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:04:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:58,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:04:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:58,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:04:58,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:58,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:04:58,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:04:58,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:04:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:58,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:04:58,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:58,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 21:04:58,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:58,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:58,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:04:58,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:58,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:58,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:58,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:58,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:04:58,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:58,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:58,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:58,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:04:58,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:58,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:58,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:04:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:04:58,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:58,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:04:58,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:58,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:04:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:58,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:58,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:58,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:58,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:58,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:04:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:04:58,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:04:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 21:04:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 21:04:58,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:04:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:04:58,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:04:58,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-12 21:04:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:58,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:04:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:04:58,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 21:04:58,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:04:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:04:58,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:04:58,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:04:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:58,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:58,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:58,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:58,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:58,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:04:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:58,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:04:58,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:04:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:04:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:04:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:04:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:04:58,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:58,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:04:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 21:04:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:04:58,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:04:58,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:04:58,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:04:58,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:04:58,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:04:58,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:04:58,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:04:58,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:04:58,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:04:58,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:04:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-12 21:04:58,696 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1830111660] [2020-10-12 21:04:58,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:04:58,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-12 21:04:58,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542086493] [2020-10-12 21:04:58,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:04:58,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:04:58,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:04:58,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:04:58,698 INFO L87 Difference]: Start difference. First operand 3980 states and 5383 transitions. Second operand 15 states. [2020-10-12 21:05:01,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:01,759 INFO L93 Difference]: Finished difference Result 9908 states and 14684 transitions. [2020-10-12 21:05:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 21:05:01,760 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 147 [2020-10-12 21:05:01,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:01,794 INFO L225 Difference]: With dead ends: 9908 [2020-10-12 21:05:01,795 INFO L226 Difference]: Without dead ends: 5958 [2020-10-12 21:05:01,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=220, Invalid=772, Unknown=0, NotChecked=0, Total=992 [2020-10-12 21:05:01,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5958 states. [2020-10-12 21:05:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5958 to 4308. [2020-10-12 21:05:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4308 states. [2020-10-12 21:05:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4308 states to 4308 states and 5578 transitions. [2020-10-12 21:05:02,205 INFO L78 Accepts]: Start accepts. Automaton has 4308 states and 5578 transitions. Word has length 147 [2020-10-12 21:05:02,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:02,205 INFO L479 AbstractCegarLoop]: Abstraction has 4308 states and 5578 transitions. [2020-10-12 21:05:02,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:05:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 4308 states and 5578 transitions. [2020-10-12 21:05:02,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-12 21:05:02,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:02,212 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-10-12 21:05:02,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:05:02,212 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:02,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:02,213 INFO L82 PathProgramCache]: Analyzing trace with hash -396394225, now seen corresponding path program 1 times [2020-10-12 21:05:02,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:02,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637716944] [2020-10-12 21:05:02,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:02,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:02,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:02,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:02,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:02,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:02,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:03,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 21:05:07,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:05:07,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:05:07,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:07,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 21:05:07,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:07,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:07,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:07,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:07,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:07,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:07,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:07,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:07,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:07,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:07,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:05:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:07,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:07,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:07,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 21:05:07,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:05:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:07,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:07,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-12 21:05:07,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:07,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:07,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:07,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:07,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:07,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:07,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:05:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:07,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:07,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 21:05:07,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:05:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:07,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:07,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 21:05:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:07,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:07,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 21:05:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:07,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:07,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 21:05:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:05:07,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:07,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-12 21:05:07,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:05:07,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:07,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:07,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:07,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:07,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:07,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:07,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:07,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:07,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 21:05:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:07,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:07,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:07,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:07,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:07,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:07,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:07,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-12 21:05:07,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637716944] [2020-10-12 21:05:07,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:07,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 21:05:07,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137950892] [2020-10-12 21:05:07,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 21:05:07,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:07,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 21:05:07,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-12 21:05:07,498 INFO L87 Difference]: Start difference. First operand 4308 states and 5578 transitions. Second operand 11 states. [2020-10-12 21:05:09,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:09,143 INFO L93 Difference]: Finished difference Result 9868 states and 13369 transitions. [2020-10-12 21:05:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 21:05:09,143 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2020-10-12 21:05:09,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:09,173 INFO L225 Difference]: With dead ends: 9868 [2020-10-12 21:05:09,173 INFO L226 Difference]: Without dead ends: 5590 [2020-10-12 21:05:09,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-12 21:05:09,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5590 states. [2020-10-12 21:05:09,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5590 to 4308. [2020-10-12 21:05:09,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4308 states. [2020-10-12 21:05:09,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4308 states to 4308 states and 5514 transitions. [2020-10-12 21:05:09,536 INFO L78 Accepts]: Start accepts. Automaton has 4308 states and 5514 transitions. Word has length 166 [2020-10-12 21:05:09,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:09,536 INFO L479 AbstractCegarLoop]: Abstraction has 4308 states and 5514 transitions. [2020-10-12 21:05:09,536 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 21:05:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 4308 states and 5514 transitions. [2020-10-12 21:05:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 21:05:09,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:09,543 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, 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] [2020-10-12 21:05:09,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:05:09,544 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:09,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:09,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1630176032, now seen corresponding path program 1 times [2020-10-12 21:05:09,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:09,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799017386] [2020-10-12 21:05:09,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 21:05:09,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:05:09,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-12 21:05:09,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 166 [2020-10-12 21:05:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 21:05:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:09,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:09,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:09,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:09,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:09,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:09,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:09,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:09,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:09,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:09,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:05:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:09,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:09,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:09,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:05:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:09,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:09,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:09,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:09,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:09,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:09,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:09,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:09,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:09,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:05:09,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:05:09,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:09,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:09,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:05:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:09,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:09,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 21:05:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:05:09,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:05:09,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:09,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 21:05:09,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:05:09,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:09,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:09,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:09,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:09,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:09,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:09,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:09,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:09,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:09,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:09,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 21:05:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:09,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:09,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:09,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:09,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:09,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:09,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:05:09,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:09,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-12 21:05:10,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799017386] [2020-10-12 21:05:10,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:05:10,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:05:10,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31710491] [2020-10-12 21:05:10,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:05:10,008 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:10,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:05:10,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:05:10,009 INFO L87 Difference]: Start difference. First operand 4308 states and 5514 transitions. Second operand 9 states. [2020-10-12 21:05:13,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:13,279 INFO L93 Difference]: Finished difference Result 14255 states and 20051 transitions. [2020-10-12 21:05:13,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 21:05:13,279 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-12 21:05:13,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:13,336 INFO L225 Difference]: With dead ends: 14255 [2020-10-12 21:05:13,336 INFO L226 Difference]: Without dead ends: 9985 [2020-10-12 21:05:13,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2020-10-12 21:05:13,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2020-10-12 21:05:13,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 8321. [2020-10-12 21:05:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8321 states. [2020-10-12 21:05:13,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8321 states to 8321 states and 11274 transitions. [2020-10-12 21:05:13,962 INFO L78 Accepts]: Start accepts. Automaton has 8321 states and 11274 transitions. Word has length 147 [2020-10-12 21:05:13,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:13,963 INFO L479 AbstractCegarLoop]: Abstraction has 8321 states and 11274 transitions. [2020-10-12 21:05:13,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:05:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 8321 states and 11274 transitions. [2020-10-12 21:05:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2020-10-12 21:05:13,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:13,980 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:13,980 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:05:13,980 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:13,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:13,980 INFO L82 PathProgramCache]: Analyzing trace with hash -175608865, now seen corresponding path program 1 times [2020-10-12 21:05:13,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:13,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242974546] [2020-10-12 21:05:13,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:14,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:14,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:14,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:14,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:14,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:14,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:14,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:14,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:14,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:14,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-12 21:05:19,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:05:19,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:05:19,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 21:05:19,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:19,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 21:05:19,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:19,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:19,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:19,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:19,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:19,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:19,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:19,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:19,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:19,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:19,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:19,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:19,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:05:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:19,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:19,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:05:19,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:05:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:19,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:19,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:19,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-12 21:05:19,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:19,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:05:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:19,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:19,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:05:19,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:05:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:19,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:19,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 21:05:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:19,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:05:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-12 21:05:19,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:05:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:05:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:05:19,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:05:19,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:19,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:05:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:19,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:19,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:19,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:19,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:19,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:19,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:19,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:19,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:19,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:19,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:19,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 21:05:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:19,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:19,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 21:05:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:05:19,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:19,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-12 21:05:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:05:19,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:19,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:19,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 21:05:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:19,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:05:19,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 21:05:19,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:19,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-12 21:05:19,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:19,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:05:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:05:19,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:05:19,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 21:05:19,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:19,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:19,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:19,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:19,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:19,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:19,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:19,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:19,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:05:19,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-12 21:05:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:19,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:19,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:19,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:19,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:19,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:19,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:19,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:19,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:19,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:19,511 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 56 proven. 15 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2020-10-12 21:05:19,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242974546] [2020-10-12 21:05:19,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:05:19,511 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 21:05:19,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955755095] [2020-10-12 21:05:19,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:05:19,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:19,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:05:19,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:05:19,512 INFO L87 Difference]: Start difference. First operand 8321 states and 11274 transitions. Second operand 13 states. [2020-10-12 21:05:24,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:24,500 INFO L93 Difference]: Finished difference Result 24327 states and 36398 transitions. [2020-10-12 21:05:24,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 21:05:24,501 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 248 [2020-10-12 21:05:24,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:24,577 INFO L225 Difference]: With dead ends: 24327 [2020-10-12 21:05:24,577 INFO L226 Difference]: Without dead ends: 12674 [2020-10-12 21:05:24,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=253, Invalid=739, Unknown=0, NotChecked=0, Total=992 [2020-10-12 21:05:24,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12674 states. [2020-10-12 21:05:26,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12674 to 11352. [2020-10-12 21:05:26,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11352 states. [2020-10-12 21:05:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11352 states to 11352 states and 15011 transitions. [2020-10-12 21:05:26,194 INFO L78 Accepts]: Start accepts. Automaton has 11352 states and 15011 transitions. Word has length 248 [2020-10-12 21:05:26,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:26,195 INFO L479 AbstractCegarLoop]: Abstraction has 11352 states and 15011 transitions. [2020-10-12 21:05:26,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:05:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 11352 states and 15011 transitions. [2020-10-12 21:05:26,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-12 21:05:26,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:26,208 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, 3, 3, 3, 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] [2020-10-12 21:05:26,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:05:26,209 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:26,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:26,209 INFO L82 PathProgramCache]: Analyzing trace with hash -523875579, now seen corresponding path program 1 times [2020-10-12 21:05:26,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:26,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [649909115] [2020-10-12 21:05:26,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:26,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:26,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:26,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:26,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:26,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:26,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:27,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:27,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:27,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-12 21:05:31,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:05:31,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:05:31,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:05:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 21:05:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 21:05:31,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:31,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:31,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:31,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:31,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:31,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:31,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:31,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:31,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:31,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:31,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:31,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:31,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:05:31,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:05:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:31,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:31,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:05:31,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:05:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:31,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:31,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:31,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:31,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:05:31,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:31,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:31,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:31,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:31,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:31,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:31,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:31,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:31,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:31,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:05:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:31,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:31,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:05:31,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:05:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:05:31,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:31,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:31,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:05:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:31,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 21:05:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:05:31,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 21:05:31,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:05:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:31,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 21:05:31,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:05:31,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:05:31,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:05:31,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:31,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:05:31,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:31,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:31,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:31,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:31,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:05:31,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:31,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:31,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:31,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:31,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:31,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:31,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:31,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:31,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:31,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 21:05:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:31,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:31,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:05:31,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:05:31,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-12 21:05:31,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:05:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:05:31,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:05:31,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-10-12 21:05:31,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 21:05:31,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:31,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:31,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 21:05:31,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:31,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:31,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:31,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:31,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:31,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:31,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:31,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:31,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:31,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:31,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:31,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:05:31,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 21:05:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:31,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:31,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:31,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:31,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:31,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:31,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:31,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:31,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2020-10-12 21:05:31,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [649909115] [2020-10-12 21:05:31,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:05:31,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 21:05:31,631 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049326083] [2020-10-12 21:05:31,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:05:31,632 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:31,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:05:31,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:05:31,632 INFO L87 Difference]: Start difference. First operand 11352 states and 15011 transitions. Second operand 14 states. [2020-10-12 21:05:31,955 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-10-12 21:05:38,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:38,781 INFO L93 Difference]: Finished difference Result 30110 states and 43937 transitions. [2020-10-12 21:05:38,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 21:05:38,781 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 193 [2020-10-12 21:05:38,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:38,858 INFO L225 Difference]: With dead ends: 30110 [2020-10-12 21:05:38,859 INFO L226 Difference]: Without dead ends: 18792 [2020-10-12 21:05:38,906 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 805 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=496, Invalid=2260, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 21:05:38,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18792 states. [2020-10-12 21:05:40,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18792 to 17714. [2020-10-12 21:05:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17714 states. [2020-10-12 21:05:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17714 states to 17714 states and 22535 transitions. [2020-10-12 21:05:40,317 INFO L78 Accepts]: Start accepts. Automaton has 17714 states and 22535 transitions. Word has length 193 [2020-10-12 21:05:40,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:40,318 INFO L479 AbstractCegarLoop]: Abstraction has 17714 states and 22535 transitions. [2020-10-12 21:05:40,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:05:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 17714 states and 22535 transitions. [2020-10-12 21:05:40,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-12 21:05:40,331 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:40,332 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:40,332 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:05:40,332 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:40,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:40,332 INFO L82 PathProgramCache]: Analyzing trace with hash -2046335020, now seen corresponding path program 1 times [2020-10-12 21:05:40,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:40,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1143190960] [2020-10-12 21:05:40,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:40,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:40,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:40,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:40,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:40,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:40,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 276 [2020-10-12 21:05:45,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:05:45,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 21:05:45,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:05:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:05:45,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 21:05:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:45,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:45,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:45,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:45,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:45,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:05:45,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:05:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:45,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:05:45,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:05:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:45,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:45,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:45,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:45,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:05:45,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:45,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:45,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:45,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:05:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:45,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:05:45,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:05:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:45,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:45,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:45,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 21:05:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:45,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:45,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:45,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 21:05:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:45,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 21:05:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:45,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-12 21:05:45,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:05:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:45,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:05:45,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:05:45,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:45,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-12 21:05:45,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:45,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:05:45,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:05:45,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:05:45,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:45,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:45,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:05:45,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:45,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:45,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 21:05:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:05:45,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:45,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 21:05:45,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:05:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:05:45,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:45,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:05:45,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:45,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:45,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:05:45,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:45,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:45,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 21:05:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:45,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:45,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:45,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:45,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:45,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:45,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:05:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:45,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:45,793 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 17 proven. 29 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2020-10-12 21:05:45,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1143190960] [2020-10-12 21:05:45,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:05:45,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 21:05:45,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488260810] [2020-10-12 21:05:45,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:05:45,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:45,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:05:45,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:05:45,796 INFO L87 Difference]: Start difference. First operand 17714 states and 22535 transitions. Second operand 14 states. [2020-10-12 21:05:47,080 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-10-12 21:05:49,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:05:49,735 INFO L93 Difference]: Finished difference Result 31850 states and 43110 transitions. [2020-10-12 21:05:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-12 21:05:49,736 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-10-12 21:05:49,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:05:49,789 INFO L225 Difference]: With dead ends: 31850 [2020-10-12 21:05:49,789 INFO L226 Difference]: Without dead ends: 11276 [2020-10-12 21:05:49,848 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=345, Invalid=987, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 21:05:49,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11276 states. [2020-10-12 21:05:50,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11276 to 10574. [2020-10-12 21:05:50,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10574 states. [2020-10-12 21:05:50,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10574 states to 10574 states and 12989 transitions. [2020-10-12 21:05:50,815 INFO L78 Accepts]: Start accepts. Automaton has 10574 states and 12989 transitions. Word has length 212 [2020-10-12 21:05:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:05:50,815 INFO L479 AbstractCegarLoop]: Abstraction has 10574 states and 12989 transitions. [2020-10-12 21:05:50,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:05:50,815 INFO L276 IsEmpty]: Start isEmpty. Operand 10574 states and 12989 transitions. [2020-10-12 21:05:50,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2020-10-12 21:05:50,831 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:05:50,831 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:05:50,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:05:50,831 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:05:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:05:50,832 INFO L82 PathProgramCache]: Analyzing trace with hash 2079584142, now seen corresponding path program 1 times [2020-10-12 21:05:50,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:05:50,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831431295] [2020-10-12 21:05:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:05:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:50,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:50,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:51,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:51,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:51,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:51,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:51,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:51,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:53,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 475 [2020-10-12 21:05:55,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:05:55,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:05:55,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:05:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 263 [2020-10-12 21:05:55,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 208 [2020-10-12 21:05:55,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:55,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:55,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:55,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:05:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:05:55,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:55,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:55,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:05:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:55,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:55,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:55,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:55,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:55,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:55,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:55,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:55,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:55,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:05:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:56,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:05:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:56,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:05:56,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:56,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:56,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:05:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:56,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 21:05:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-12 21:05:56,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:56,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-12 21:05:56,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-12 21:05:56,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:56,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 21:05:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:56,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 21:05:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:56,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 21:05:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:56,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:56,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:05:56,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 21:05:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:05:56,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 21:05:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:56,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 21:05:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:05:56,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:56,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:05:56,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:05:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:05:56,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 21:05:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:56,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 21:05:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-12 21:05:56,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:56,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 21:05:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:56,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 21:05:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:56,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:56,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:56,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:05:56,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:05:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:05:56,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:56,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:56,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:05:56,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:05:56,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:05:56,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:05:56,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-12 21:05:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:56,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:05:56,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:05:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:05:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-12 21:05:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:05:56,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-12 21:05:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:05:56,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:05:56,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-12 21:05:56,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:56,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:05:56,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:05:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:05:56,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:05:56,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:05:56,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:05:56,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:56,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:05:56,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-10-12 21:05:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:05:56,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:05:56,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:05:56,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:05:56,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 21:05:56,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:05:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:05:56,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:05:56,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:05:56,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:05:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:05:56,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:05:56,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:05:56,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:05:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:05:56,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:05:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:05:56,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:05:56,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:05:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:05:56,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-10-12 21:05:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:05:56,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:05:56,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:05:56,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:05:56,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:05:56,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:05:56,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:05:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:05:56,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:05:56,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:05:56,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:05:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 45 proven. 33 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2020-10-12 21:05:56,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831431295] [2020-10-12 21:05:56,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:05:56,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 21:05:56,777 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156688961] [2020-10-12 21:05:56,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 21:05:56,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:05:56,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 21:05:56,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-10-12 21:05:56,778 INFO L87 Difference]: Start difference. First operand 10574 states and 12989 transitions. Second operand 19 states. [2020-10-12 21:06:06,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:06,445 INFO L93 Difference]: Finished difference Result 19678 states and 24476 transitions. [2020-10-12 21:06:06,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-10-12 21:06:06,445 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 371 [2020-10-12 21:06:06,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:06,475 INFO L225 Difference]: With dead ends: 19678 [2020-10-12 21:06:06,476 INFO L226 Difference]: Without dead ends: 9132 [2020-10-12 21:06:06,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 126 SyntacticMatches, 3 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2949 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1117, Invalid=7625, Unknown=0, NotChecked=0, Total=8742 [2020-10-12 21:06:06,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9132 states. [2020-10-12 21:06:07,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9132 to 7261. [2020-10-12 21:06:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7261 states. [2020-10-12 21:06:07,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7261 states to 7261 states and 8379 transitions. [2020-10-12 21:06:07,310 INFO L78 Accepts]: Start accepts. Automaton has 7261 states and 8379 transitions. Word has length 371 [2020-10-12 21:06:07,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:07,310 INFO L479 AbstractCegarLoop]: Abstraction has 7261 states and 8379 transitions. [2020-10-12 21:06:07,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 21:06:07,311 INFO L276 IsEmpty]: Start isEmpty. Operand 7261 states and 8379 transitions. [2020-10-12 21:06:07,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-10-12 21:06:07,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:07,319 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:07,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:06:07,320 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:07,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:07,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1076111733, now seen corresponding path program 1 times [2020-10-12 21:06:07,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:07,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568822284] [2020-10-12 21:06:07,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:07,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:07,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:08,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-10-12 21:06:12,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:06:12,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 21:06:12,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 21:06:12,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-12 21:06:12,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 156 [2020-10-12 21:06:12,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:12,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:12,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:12,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:12,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:12,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:06:12,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:06:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:06:12,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:06:12,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:06:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:06:12,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:12,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:12,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:06:12,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:06:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:06:12,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:06:12,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:06:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:12,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:12,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 21:06:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:12,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:12,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 21:06:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-12 21:06:12,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 21:06:12,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:06:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 21:06:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:06:12,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:06:12,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 21:06:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:12,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:06:12,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:06:12,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:12,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:06:12,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 21:06:12,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 21:06:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:12,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 21:06:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:12,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 21:06:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:06:12,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 21:06:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:12,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:12,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:06:12,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-12 21:06:12,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 21:06:12,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 21:06:12,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:06:12,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 21:06:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-12 21:06:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:06:12,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:12,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 21:06:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:12,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:06:12,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:12,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:12,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-12 21:06:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:06:12,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:12,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:06:12,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:12,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:06:12,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:12,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:12,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:12,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:12,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:12,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-12 21:06:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:12,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:12,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:12,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:12,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:12,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:12,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:06:12,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:12,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 56 proven. 61 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2020-10-12 21:06:12,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568822284] [2020-10-12 21:06:12,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:06:12,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 21:06:12,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037354561] [2020-10-12 21:06:12,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 21:06:12,884 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:12,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 21:06:12,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-12 21:06:12,884 INFO L87 Difference]: Start difference. First operand 7261 states and 8379 transitions. Second operand 15 states. [2020-10-12 21:06:16,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:16,153 INFO L93 Difference]: Finished difference Result 8750 states and 10138 transitions. [2020-10-12 21:06:16,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 21:06:16,154 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 282 [2020-10-12 21:06:16,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:16,158 INFO L225 Difference]: With dead ends: 8750 [2020-10-12 21:06:16,159 INFO L226 Difference]: Without dead ends: 446 [2020-10-12 21:06:16,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=450, Invalid=1712, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 21:06:16,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-10-12 21:06:16,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2020-10-12 21:06:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2020-10-12 21:06:16,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 468 transitions. [2020-10-12 21:06:16,213 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 468 transitions. Word has length 282 [2020-10-12 21:06:16,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:16,213 INFO L479 AbstractCegarLoop]: Abstraction has 446 states and 468 transitions. [2020-10-12 21:06:16,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 21:06:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 468 transitions. [2020-10-12 21:06:16,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-10-12 21:06:16,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:16,215 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:16,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 21:06:16,215 INFO L427 AbstractCegarLoop]: === Iteration 16 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:16,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:16,216 INFO L82 PathProgramCache]: Analyzing trace with hash -2059863424, now seen corresponding path program 1 times [2020-10-12 21:06:16,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:16,216 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [863639989] [2020-10-12 21:06:16,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 348 [2020-10-12 21:06:16,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:06:16,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 414 [2020-10-12 21:06:16,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:06:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 222 [2020-10-12 21:06:16,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-12 21:06:16,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:16,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:16,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:16,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:16,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:16,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:16,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:06:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:06:16,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:06:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:06:16,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:16,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:16,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:16,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:06:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:06:16,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:06:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:16,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:16,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 21:06:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:16,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 21:06:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:16,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 21:06:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:16,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:16,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 21:06:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:16,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:06:16,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:06:16,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:16,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:06:16,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:16,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:16,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:16,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:16,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:16,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:06:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-12 21:06:16,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:06:16,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 21:06:16,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:06:16,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:06:16,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 21:06:16,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:06:16,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:06:16,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:16,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-12 21:06:16,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:16,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 21:06:16,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:06:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:16,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:16,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:16,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:16,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:16,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:16,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 21:06:16,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:16,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 21:06:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:17,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:17,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:17,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:17,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 21:06:17,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:17,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:06:17,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:17,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:17,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:17,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-12 21:06:17,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:17,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:17,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:17,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:17,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 21:06:17,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:17,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:17,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:17,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:17,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:17,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:17,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:17,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:17,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:17,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:17,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 21:06:17,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:17,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:17,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:17,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:17,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:17,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:17,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:17,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:17,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:17,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:17,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:17,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:17,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:17,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:17,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:17,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:17,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:17,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:17,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:17,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:17,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:17,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:17,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:17,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:17,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:17,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:06:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:17,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:17,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:17,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:17,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:17,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:17,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:17,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:17,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:17,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-12 21:06:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:17,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:17,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:17,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:17,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:17,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:06:17,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:17,091 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2020-10-12 21:06:17,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [863639989] [2020-10-12 21:06:17,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:06:17,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 21:06:17,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428849186] [2020-10-12 21:06:17,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:06:17,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:17,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:06:17,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:06:17,094 INFO L87 Difference]: Start difference. First operand 446 states and 468 transitions. Second operand 10 states. [2020-10-12 21:06:17,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:17,978 INFO L93 Difference]: Finished difference Result 766 states and 812 transitions. [2020-10-12 21:06:17,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 21:06:17,979 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 270 [2020-10-12 21:06:17,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:17,981 INFO L225 Difference]: With dead ends: 766 [2020-10-12 21:06:17,981 INFO L226 Difference]: Without dead ends: 484 [2020-10-12 21:06:17,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 64 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-10-12 21:06:17,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-10-12 21:06:18,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 483. [2020-10-12 21:06:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2020-10-12 21:06:18,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 507 transitions. [2020-10-12 21:06:18,034 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 507 transitions. Word has length 270 [2020-10-12 21:06:18,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:18,035 INFO L479 AbstractCegarLoop]: Abstraction has 483 states and 507 transitions. [2020-10-12 21:06:18,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:06:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 507 transitions. [2020-10-12 21:06:18,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-10-12 21:06:18,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:18,037 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:18,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 21:06:18,037 INFO L427 AbstractCegarLoop]: === Iteration 17 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:18,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:18,038 INFO L82 PathProgramCache]: Analyzing trace with hash -271251823, now seen corresponding path program 1 times [2020-10-12 21:06:18,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:18,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116120628] [2020-10-12 21:06:18,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-12 21:06:18,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:06:18,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-12 21:06:18,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:06:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 341 [2020-10-12 21:06:18,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:06:18,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:18,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:18,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:06:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:06:18,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:18,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:06:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:06:18,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:06:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:18,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:18,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:06:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:06:18,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:18,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 21:06:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 21:06:18,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:18,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:18,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:18,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:18,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 21:06:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-12 21:06:18,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 21:06:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:18,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 21:06:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:18,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:18,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 21:06:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:18,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:18,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 21:06:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:18,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 21:06:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-10-12 21:06:18,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:06:18,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-12 21:06:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 21:06:18,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:18,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 21:06:18,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:18,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:18,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:18,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:18,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:06:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:18,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 21:06:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 21:06:18,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:18,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 21:06:18,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:18,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 21:06:18,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:18,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:18,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 21:06:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:18,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 21:06:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:18,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 21:06:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 21:06:18,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:18,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-12 21:06:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 21:06:18,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:06:18,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:06:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 21:06:18,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:06:18,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:06:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:06:18,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:06:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:18,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:06:18,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 21:06:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-12 21:06:18,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 21:06:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:06:18,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:06:18,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:06:18,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:06:18,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:06:18,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:06:18,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:06:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:06:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:06:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:06:18,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:06:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-10-12 21:06:18,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116120628] [2020-10-12 21:06:18,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 21:06:18,568 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 21:06:18,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699083067] [2020-10-12 21:06:18,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 21:06:18,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:06:18,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 21:06:18,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-12 21:06:18,569 INFO L87 Difference]: Start difference. First operand 483 states and 507 transitions. Second operand 10 states. [2020-10-12 21:06:19,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:06:19,471 INFO L93 Difference]: Finished difference Result 750 states and 791 transitions. [2020-10-12 21:06:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 21:06:19,472 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 271 [2020-10-12 21:06:19,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:06:19,474 INFO L225 Difference]: With dead ends: 750 [2020-10-12 21:06:19,474 INFO L226 Difference]: Without dead ends: 490 [2020-10-12 21:06:19,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-12 21:06:19,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2020-10-12 21:06:19,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2020-10-12 21:06:19,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-10-12 21:06:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 516 transitions. [2020-10-12 21:06:19,508 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 516 transitions. Word has length 271 [2020-10-12 21:06:19,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:06:19,509 INFO L479 AbstractCegarLoop]: Abstraction has 490 states and 516 transitions. [2020-10-12 21:06:19,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 21:06:19,509 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 516 transitions. [2020-10-12 21:06:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-10-12 21:06:19,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:06:19,510 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 21:06:19,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 21:06:19,511 INFO L427 AbstractCegarLoop]: === Iteration 18 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:06:19,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:06:19,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1410375831, now seen corresponding path program 1 times [2020-10-12 21:06:19,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:06:19,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599774317] [2020-10-12 21:06:19,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:06:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-12 21:06:19,530 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-12 21:06:19,530 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-10-12 21:06:19,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 21:06:19,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 09:06:19 BoogieIcfgContainer [2020-10-12 21:06:19,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-12 21:06:19,575 INFO L168 Benchmark]: Toolchain (without parser) took 146583.30 ms. Allocated memory was 138.9 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 100.7 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 327.2 MB. Max. memory is 7.1 GB. [2020-10-12 21:06:19,575 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-12 21:06:19,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.14 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 178.2 MB in the end (delta: -77.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2020-10-12 21:06:19,577 INFO L168 Benchmark]: Boogie Preprocessor took 48.76 ms. Allocated memory is still 202.4 MB. Free memory was 178.2 MB in the beginning and 175.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-12 21:06:19,577 INFO L168 Benchmark]: RCFGBuilder took 683.96 ms. Allocated memory is still 202.4 MB. Free memory was 175.5 MB in the beginning and 136.4 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2020-10-12 21:06:19,578 INFO L168 Benchmark]: TraceAbstraction took 145361.69 ms. Allocated memory was 202.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 135.8 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 298.9 MB. Max. memory is 7.1 GB. [2020-10-12 21:06:19,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 466.14 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 178.2 MB in the end (delta: -77.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 48.76 ms. Allocated memory is still 202.4 MB. Free memory was 178.2 MB in the beginning and 175.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 683.96 ms. Allocated memory is still 202.4 MB. Free memory was 175.5 MB in the beginning and 136.4 MB in the end (delta: 39.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 145361.69 ms. Allocated memory was 202.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 135.8 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 298.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int m_pc = 0; [L15] int t1_pc = 0; [L16] int t2_pc = 0; [L17] int m_st ; [L18] int t1_st ; [L19] int t2_st ; [L20] int m_i ; [L21] int t1_i ; [L22] int t2_i ; [L23] int M_E = 2; [L24] int T1_E = 2; [L25] int T2_E = 2; [L26] int E_M = 2; [L27] int E_1 = 2; [L28] int E_2 = 2; [L33] int token ; [L35] int local ; [L600] int __retres1 ; [L604] CALL init_model() [L514] m_i = 1 [L515] t1_i = 1 [L516] t2_i = 1 [L604] RET init_model() [L605] CALL start_simulation() [L541] int kernel_st ; [L542] int tmp ; [L543] int tmp___0 ; [L547] kernel_st = 0 [L548] FCALL update_channels() [L549] CALL init_threads() [L233] COND TRUE m_i == 1 [L234] m_st = 0 [L238] COND TRUE t1_i == 1 [L239] t1_st = 0 [L243] COND TRUE t2_i == 1 [L244] t2_st = 0 [L549] RET init_threads() [L550] CALL fire_delta_events() [L346] COND FALSE !(M_E == 0) [L351] COND FALSE !(T1_E == 0) [L356] COND FALSE !(T2_E == 0) [L361] COND FALSE !(E_M == 0) [L366] COND FALSE !(E_1 == 0) [L371] COND FALSE !(E_2 == 0) [L550] RET fire_delta_events() [L551] CALL activate_threads() [L419] int tmp ; [L420] int tmp___0 ; [L421] int tmp___1 ; [L425] CALL, EXPR is_master_triggered() [L165] int __retres1 ; [L168] COND FALSE !(m_pc == 1) [L178] __retres1 = 0 [L180] return (__retres1); [L425] RET, EXPR is_master_triggered() [L425] tmp = is_master_triggered() [L427] COND FALSE !(\read(tmp)) [L433] CALL, EXPR is_transmit1_triggered() [L184] int __retres1 ; [L187] COND FALSE !(t1_pc == 1) [L197] __retres1 = 0 [L199] return (__retres1); [L433] RET, EXPR is_transmit1_triggered() [L433] tmp___0 = is_transmit1_triggered() [L435] COND FALSE !(\read(tmp___0)) [L441] CALL, EXPR is_transmit2_triggered() [L203] int __retres1 ; [L206] COND FALSE !(t2_pc == 1) [L216] __retres1 = 0 [L218] return (__retres1); [L441] RET, EXPR is_transmit2_triggered() [L441] tmp___1 = is_transmit2_triggered() [L443] COND FALSE !(\read(tmp___1)) [L551] RET activate_threads() [L552] CALL reset_delta_events() [L384] COND FALSE !(M_E == 1) [L389] COND FALSE !(T1_E == 1) [L394] COND FALSE !(T2_E == 1) [L399] COND FALSE !(E_M == 1) [L404] COND FALSE !(E_1 == 1) [L409] COND FALSE !(E_2 == 1) [L552] RET reset_delta_events() [L555] COND TRUE 1 [L558] kernel_st = 1 [L559] CALL eval() [L279] int tmp ; [L283] COND TRUE 1 [L286] CALL, EXPR exists_runnable_thread() [L253] int __retres1 ; [L256] COND TRUE m_st == 0 [L257] __retres1 = 1 [L274] return (__retres1); [L286] RET, EXPR exists_runnable_thread() [L286] tmp = exists_runnable_thread() [L288] COND TRUE \read(tmp) [L293] COND TRUE m_st == 0 [L294] int tmp_ndt_1; [L295] tmp_ndt_1 = __VERIFIER_nondet_int() [L296] COND FALSE !(\read(tmp_ndt_1)) [L307] COND TRUE t1_st == 0 [L308] int tmp_ndt_2; [L309] tmp_ndt_2 = __VERIFIER_nondet_int() [L310] COND TRUE \read(tmp_ndt_2) [L312] t1_st = 1 [L313] CALL transmit1() [L96] COND TRUE t1_pc == 0 [L107] COND TRUE 1 [L109] t1_pc = 1 [L110] t1_st = 2 [L313] RET transmit1() [L321] COND TRUE t2_st == 0 [L322] int tmp_ndt_3; [L323] tmp_ndt_3 = __VERIFIER_nondet_int() [L324] COND TRUE \read(tmp_ndt_3) [L326] t2_st = 1 [L327] CALL transmit2() [L132] COND TRUE t2_pc == 0 [L143] COND TRUE 1 [L145] t2_pc = 1 [L146] t2_st = 2 [L327] RET transmit2() [L283] COND TRUE 1 [L286] CALL, EXPR exists_runnable_thread() [L253] int __retres1 ; [L256] COND TRUE m_st == 0 [L257] __retres1 = 1 [L274] return (__retres1); [L286] RET, EXPR exists_runnable_thread() [L286] tmp = exists_runnable_thread() [L288] COND TRUE \read(tmp) [L293] COND TRUE m_st == 0 [L294] int tmp_ndt_1; [L295] tmp_ndt_1 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp_ndt_1) [L298] m_st = 1 [L299] CALL master() [L38] int tmp_var = __VERIFIER_nondet_int(); [L40] COND TRUE m_pc == 0 [L51] COND TRUE 1 [L54] token = __VERIFIER_nondet_int() [L55] local = token [L56] E_1 = 1 [L57] CALL immediate_notify() [L457] CALL activate_threads() [L419] int tmp ; [L420] int tmp___0 ; [L421] int tmp___1 ; [L425] CALL, EXPR is_master_triggered() [L165] int __retres1 ; [L168] COND FALSE !(m_pc == 1) [L178] __retres1 = 0 [L180] return (__retres1); [L425] RET, EXPR is_master_triggered() [L425] tmp = is_master_triggered() [L427] COND FALSE !(\read(tmp)) [L433] CALL, EXPR is_transmit1_triggered() [L184] int __retres1 ; [L187] COND TRUE t1_pc == 1 [L188] COND TRUE E_1 == 1 [L189] __retres1 = 1 [L199] return (__retres1); [L433] RET, EXPR is_transmit1_triggered() [L433] tmp___0 = is_transmit1_triggered() [L435] COND TRUE \read(tmp___0) [L436] t1_st = 0 [L441] CALL, EXPR is_transmit2_triggered() [L203] int __retres1 ; [L206] COND TRUE t2_pc == 1 [L207] COND FALSE !(E_2 == 1) [L216] __retres1 = 0 [L218] return (__retres1); [L441] RET, EXPR is_transmit2_triggered() [L441] tmp___1 = is_transmit2_triggered() [L443] COND FALSE !(\read(tmp___1)) [L457] RET activate_threads() [L57] RET immediate_notify() [L58] E_1 = 2 [L59] m_pc = 1 [L60] m_st = 2 [L299] RET master() [L307] COND TRUE t1_st == 0 [L308] int tmp_ndt_2; [L309] tmp_ndt_2 = __VERIFIER_nondet_int() [L310] COND TRUE \read(tmp_ndt_2) [L312] t1_st = 1 [L313] CALL transmit1() [L96] COND FALSE !(t1_pc == 0) [L99] COND TRUE t1_pc == 1 [L115] token += 1 [L116] E_2 = 1 [L117] CALL immediate_notify() [L457] CALL activate_threads() [L419] int tmp ; [L420] int tmp___0 ; [L421] int tmp___1 ; [L425] CALL, EXPR is_master_triggered() [L165] int __retres1 ; [L168] COND TRUE m_pc == 1 [L169] COND FALSE !(E_M == 1) [L178] __retres1 = 0 [L180] return (__retres1); [L425] RET, EXPR is_master_triggered() [L425] tmp = is_master_triggered() [L427] COND FALSE !(\read(tmp)) [L433] CALL, EXPR is_transmit1_triggered() [L184] int __retres1 ; [L187] COND TRUE t1_pc == 1 [L188] COND FALSE !(E_1 == 1) [L197] __retres1 = 0 [L199] return (__retres1); [L433] RET, EXPR is_transmit1_triggered() [L433] tmp___0 = is_transmit1_triggered() [L435] COND FALSE !(\read(tmp___0)) [L441] CALL, EXPR is_transmit2_triggered() [L203] int __retres1 ; [L206] COND TRUE t2_pc == 1 [L207] COND TRUE E_2 == 1 [L208] __retres1 = 1 [L218] return (__retres1); [L441] RET, EXPR is_transmit2_triggered() [L441] tmp___1 = is_transmit2_triggered() [L443] COND TRUE \read(tmp___1) [L444] t2_st = 0 [L457] RET activate_threads() [L117] RET immediate_notify() [L118] E_2 = 2 [L107] COND TRUE 1 [L109] t1_pc = 1 [L110] t1_st = 2 [L313] RET transmit1() [L321] COND TRUE t2_st == 0 [L322] int tmp_ndt_3; [L323] tmp_ndt_3 = __VERIFIER_nondet_int() [L324] COND TRUE \read(tmp_ndt_3) [L326] t2_st = 1 [L327] CALL transmit2() [L132] COND FALSE !(t2_pc == 0) [L135] COND TRUE t2_pc == 1 [L151] token += 1 [L152] E_M = 1 [L153] CALL immediate_notify() [L457] CALL activate_threads() [L419] int tmp ; [L420] int tmp___0 ; [L421] int tmp___1 ; [L425] CALL, EXPR is_master_triggered() [L165] int __retres1 ; [L168] COND TRUE m_pc == 1 [L169] COND TRUE E_M == 1 [L170] __retres1 = 1 [L180] return (__retres1); [L425] RET, EXPR is_master_triggered() [L425] tmp = is_master_triggered() [L427] COND TRUE \read(tmp) [L428] m_st = 0 [L433] CALL, EXPR is_transmit1_triggered() [L184] int __retres1 ; [L187] COND TRUE t1_pc == 1 [L188] COND FALSE !(E_1 == 1) [L197] __retres1 = 0 [L199] return (__retres1); [L433] RET, EXPR is_transmit1_triggered() [L433] tmp___0 = is_transmit1_triggered() [L435] COND FALSE !(\read(tmp___0)) [L441] CALL, EXPR is_transmit2_triggered() [L203] int __retres1 ; [L206] COND TRUE t2_pc == 1 [L207] COND FALSE !(E_2 == 1) [L216] __retres1 = 0 [L218] return (__retres1); [L441] RET, EXPR is_transmit2_triggered() [L441] tmp___1 = is_transmit2_triggered() [L443] COND FALSE !(\read(tmp___1)) [L457] RET activate_threads() [L153] RET immediate_notify() [L154] E_M = 2 [L143] COND TRUE 1 [L145] t2_pc = 1 [L146] t2_st = 2 [L327] RET transmit2() [L283] COND TRUE 1 [L286] CALL, EXPR exists_runnable_thread() [L253] int __retres1 ; [L256] COND TRUE m_st == 0 [L257] __retres1 = 1 [L274] return (__retres1); [L286] RET, EXPR exists_runnable_thread() [L286] tmp = exists_runnable_thread() [L288] COND TRUE \read(tmp) [L293] COND TRUE m_st == 0 [L294] int tmp_ndt_1; [L295] tmp_ndt_1 = __VERIFIER_nondet_int() [L296] COND TRUE \read(tmp_ndt_1) [L298] m_st = 1 [L299] CALL master() [L38] int tmp_var = __VERIFIER_nondet_int(); [L40] COND FALSE !(m_pc == 0) [L43] COND TRUE m_pc == 1 [L65] COND FALSE !(token != local + 2) [L70] COND TRUE tmp_var <= 5 [L71] COND TRUE tmp_var >= 5 [L76] COND TRUE tmp_var <= 5 [L77] COND TRUE tmp_var >= 5 [L78] COND TRUE tmp_var == 5 [L79] CALL error() [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 181 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 145.2s, OverallIterations: 18, TraceHistogramMax: 7, AutomataDifference: 59.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3536 SDtfs, 22695 SDslu, 1895 SDs, 0 SdLazy, 33641 SolverSat, 11135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1437 GetRequests, 902 SyntacticMatches, 15 SemanticMatches, 520 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6302 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17714occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 14935 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 77.1s InterpolantComputationTime, 3443 NumberOfCodeBlocks, 3443 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3154 ConstructedInterpolants, 0 QuantifiedInterpolants, 1828595 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 1880/2062 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...