/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/transmitter.10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 21:11:57,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 21:11:57,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 21:11:57,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 21:11:57,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 21:11:57,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 21:11:57,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 21:11:57,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 21:11:57,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 21:11:57,641 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 21:11:57,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 21:11:57,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 21:11:57,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 21:11:57,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 21:11:57,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 21:11:57,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 21:11:57,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 21:11:57,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 21:11:57,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 21:11:57,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 21:11:57,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 21:11:57,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 21:11:57,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 21:11:57,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 21:11:57,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 21:11:57,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 21:11:57,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 21:11:57,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 21:11:57,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 21:11:57,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 21:11:57,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 21:11:57,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 21:11:57,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 21:11:57,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 21:11:57,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 21:11:57,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 21:11:57,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 21:11:57,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 21:11:57,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 21:11:57,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 21:11:57,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 21:11:57,676 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 21:11:57,725 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 21:11:57,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 21:11:57,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 21:11:57,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 21:11:57,727 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 21:11:57,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 21:11:57,727 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 21:11:57,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 21:11:57,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 21:11:57,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 21:11:57,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 21:11:57,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 21:11:57,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 21:11:57,730 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 21:11:57,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 21:11:57,730 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 21:11:57,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 21:11:57,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 21:11:57,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 21:11:57,731 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 21:11:57,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 21:11:57,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 21:11:57,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 21:11:57,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 21:11:57,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 21:11:57,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 21:11:57,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 21:11:57,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 21:11:57,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 21:11:57,733 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 21:11:58,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 21:11:58,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 21:11:58,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 21:11:58,024 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 21:11:58,025 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 21:11:58,025 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.10.cil.c [2020-10-12 21:11:58,085 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f6f8ed60/49c24069ff994235883d9b1569d5aa87/FLAG2b3d19c5d [2020-10-12 21:11:58,589 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 21:11:58,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.10.cil.c [2020-10-12 21:11:58,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f6f8ed60/49c24069ff994235883d9b1569d5aa87/FLAG2b3d19c5d [2020-10-12 21:11:58,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3f6f8ed60/49c24069ff994235883d9b1569d5aa87 [2020-10-12 21:11:58,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 21:11:58,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 21:11:58,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 21:11:58,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 21:11:58,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 21:11:58,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:11:58" (1/1) ... [2020-10-12 21:11:58,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38010784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:58, skipping insertion in model container [2020-10-12 21:11:58,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 09:11:58" (1/1) ... [2020-10-12 21:11:58,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 21:11:59,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 21:11:59,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:11:59,426 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 21:11:59,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 21:11:59,531 INFO L208 MainTranslator]: Completed translation [2020-10-12 21:11:59,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59 WrapperNode [2020-10-12 21:11:59,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 21:11:59,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 21:11:59,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 21:11:59,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 21:11:59,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59" (1/1) ... [2020-10-12 21:11:59,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59" (1/1) ... [2020-10-12 21:11:59,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59" (1/1) ... [2020-10-12 21:11:59,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59" (1/1) ... [2020-10-12 21:11:59,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59" (1/1) ... [2020-10-12 21:11:59,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59" (1/1) ... [2020-10-12 21:11:59,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59" (1/1) ... [2020-10-12 21:11:59,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 21:11:59,617 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 21:11:59,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 21:11:59,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 21:11:59,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59" (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 21:11:59,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 21:11:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 21:11:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-12 21:11:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-12 21:11:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-12 21:11:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-12 21:11:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-12 21:11:59,680 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-12 21:11:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-12 21:11:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-12 21:11:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-12 21:11:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-12 21:11:59,681 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-12 21:11:59,682 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-12 21:11:59,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-12 21:11:59,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-12 21:11:59,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-12 21:11:59,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-12 21:11:59,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-12 21:11:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-12 21:11:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-12 21:11:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-12 21:11:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-12 21:11:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-12 21:11:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-12 21:11:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-12 21:11:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-12 21:11:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-12 21:11:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-12 21:11:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-12 21:11:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-12 21:11:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-12 21:11:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-12 21:11:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-12 21:11:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-12 21:11:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-12 21:11:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-12 21:11:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-12 21:11:59,692 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 21:11:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 21:11:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 21:11:59,692 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-12 21:11:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-12 21:11:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-12 21:11:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-12 21:11:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-12 21:11:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-12 21:11:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-12 21:11:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-12 21:11:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-12 21:11:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-12 21:11:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-12 21:11:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-12 21:11:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-12 21:11:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-12 21:11:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-12 21:11:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-12 21:11:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-12 21:11:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-12 21:11:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-12 21:11:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-12 21:11:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-12 21:11:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-12 21:11:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-12 21:11:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-12 21:11:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-12 21:11:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-12 21:11:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-12 21:11:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-12 21:11:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-12 21:11:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-12 21:11:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-12 21:11:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-12 21:11:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-12 21:11:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-12 21:11:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-12 21:11:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-12 21:11:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 21:11:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 21:11:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 21:12:00,568 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 21:12:00,568 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-12 21:12:00,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:12:00 BoogieIcfgContainer [2020-10-12 21:12:00,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 21:12:00,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 21:12:00,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 21:12:00,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 21:12:00,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 09:11:58" (1/3) ... [2020-10-12 21:12:00,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb74ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:12:00, skipping insertion in model container [2020-10-12 21:12:00,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 09:11:59" (2/3) ... [2020-10-12 21:12:00,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb74ed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 09:12:00, skipping insertion in model container [2020-10-12 21:12:00,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 09:12:00" (3/3) ... [2020-10-12 21:12:00,583 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.10.cil.c [2020-10-12 21:12:00,593 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 21:12:00,601 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 21:12:00,614 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 21:12:00,640 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 21:12:00,640 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 21:12:00,640 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 21:12:00,640 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 21:12:00,641 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 21:12:00,641 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 21:12:00,641 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 21:12:00,641 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 21:12:00,669 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2020-10-12 21:12:00,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:12:00,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:00,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:00,690 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:00,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:00,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1517839845, now seen corresponding path program 1 times [2020-10-12 21:12:00,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:00,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1836150470] [2020-10-12 21:12:00,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:01,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:01,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:02,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:02,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:12:06,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:12:06,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-12 21:12:06,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 21:12:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 21:12:06,509 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:12:06,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:06,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-12 21:12:06,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:06,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:06,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:06,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-12 21:12:06,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:06,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:12:06,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:06,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:06,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:12:06,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:06,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:06,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:12:06,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:12:06,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:12:06,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:06,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:06,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:12:06,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:06,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 21:12:06,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:06,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:12:06,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:06,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:12:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:06,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:06,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:07,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:12:11,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:12:11,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-12 21:12:11,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:11,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-12 21:12:11,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:11,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:11,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:11,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:11,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:11,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:11,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:11,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:11,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:11,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:11,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:12,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:12,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:12,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:12,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:12,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:12,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:12,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:12:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:12,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:12,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:12,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:12,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:12,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:12,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:12,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:12,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:12,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:12,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:12,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:12,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:12,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:12,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:12,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:12:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:12,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:12,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:12,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:12,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:12,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:12,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:12,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:12,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:12,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:12,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:12:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:12,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:12,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:12,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:12,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:12,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:12,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:12:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:12,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:12,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:12:12,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:12,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:12:12,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:12,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:12,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:12:12,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:12,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:12:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:12,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:12,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:12,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:12,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:12,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:12,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:12,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:12,159 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 21:12:12,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1836150470] [2020-10-12 21:12:12,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:12,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:12:12,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347107423] [2020-10-12 21:12:12,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:12:12,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:12,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:12:12,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:12:12,185 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 13 states. [2020-10-12 21:12:12,446 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:12:12,798 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-12 21:12:14,435 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:12:14,643 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:12:14,950 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:12:15,249 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:12:19,348 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 21:12:20,073 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:12:20,271 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:12:20,471 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:12:20,788 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:12:24,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:24,198 INFO L93 Difference]: Finished difference Result 1673 states and 2796 transitions. [2020-10-12 21:12:24,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 21:12:24,200 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 210 [2020-10-12 21:12:24,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:24,233 INFO L225 Difference]: With dead ends: 1673 [2020-10-12 21:12:24,233 INFO L226 Difference]: Without dead ends: 1273 [2020-10-12 21:12:24,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=288, Invalid=902, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 21:12:24,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2020-10-12 21:12:24,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 792. [2020-10-12 21:12:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-10-12 21:12:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1156 transitions. [2020-10-12 21:12:24,473 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1156 transitions. Word has length 210 [2020-10-12 21:12:24,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:24,474 INFO L479 AbstractCegarLoop]: Abstraction has 792 states and 1156 transitions. [2020-10-12 21:12:24,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:12:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1156 transitions. [2020-10-12 21:12:24,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:12:24,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:24,481 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:24,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 21:12:24,482 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:24,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:24,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1550571175, now seen corresponding path program 1 times [2020-10-12 21:12:24,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:24,483 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722552379] [2020-10-12 21:12:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:24,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:24,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:25,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:29,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:29,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:12:29,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:12:29,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 21:12:29,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:29,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:29,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-12 21:12:29,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:29,732 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:12:29,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:29,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:29,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:29,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:29,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:29,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 21:12:29,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:29,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:29,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:29,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:29,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:29,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:29,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:29,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:29,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:29,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:12:29,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:29,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:29,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:29,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:29,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:29,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:29,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:29,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:29,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:29,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:29,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:29,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:29,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:29,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:12:29,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:29,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:12:29,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:29,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:12:29,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:29,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:29,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:29,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:29,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:12:29,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:29,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-12 21:12:29,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:29,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:12:29,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:29,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:12:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:29,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:29,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:29,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:30,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:30,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:30,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:30,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:34,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:34,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:12:34,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:12:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 21:12:34,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-12 21:12:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:34,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:35,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:35,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:35,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:35,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:35,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:35,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:35,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:35,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:35,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:35,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:35,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:35,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:35,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:35,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:35,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:12:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:35,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:35,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:35,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:35,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:12:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:35,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:35,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:35,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:12:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:35,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:35,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:35,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:12:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:12:35,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:12:35,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:12:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:35,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:12:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:35,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:35,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:35,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:35,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:35,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:35,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:35,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:35,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:35,324 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 21:12:35,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722552379] [2020-10-12 21:12:35,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:35,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:12:35,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866564262] [2020-10-12 21:12:35,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:12:35,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:35,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:12:35,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:12:35,333 INFO L87 Difference]: Start difference. First operand 792 states and 1156 transitions. Second operand 13 states. [2020-10-12 21:12:35,628 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:12:35,770 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2020-10-12 21:12:37,854 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:12:38,056 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:12:38,251 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:12:38,549 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:12:43,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:12:43,275 INFO L93 Difference]: Finished difference Result 2024 states and 3131 transitions. [2020-10-12 21:12:43,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:12:43,275 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 210 [2020-10-12 21:12:43,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:12:43,291 INFO L225 Difference]: With dead ends: 2024 [2020-10-12 21:12:43,292 INFO L226 Difference]: Without dead ends: 1260 [2020-10-12 21:12:43,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:12:43,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2020-10-12 21:12:43,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 802. [2020-10-12 21:12:43,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2020-10-12 21:12:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1159 transitions. [2020-10-12 21:12:43,550 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1159 transitions. Word has length 210 [2020-10-12 21:12:43,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:12:43,551 INFO L479 AbstractCegarLoop]: Abstraction has 802 states and 1159 transitions. [2020-10-12 21:12:43,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:12:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1159 transitions. [2020-10-12 21:12:43,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:12:43,556 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:12:43,556 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:43,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 21:12:43,557 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:12:43,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:12:43,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1540896549, now seen corresponding path program 1 times [2020-10-12 21:12:43,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:12:43,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903540209] [2020-10-12 21:12:43,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:12:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:43,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:43,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:43,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:43,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:43,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:43,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:43,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:44,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:48,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:12:48,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:12:48,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-12 21:12:48,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:48,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:12:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:12:48,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 21:12:48,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:48,853 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:12:48,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:12:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:48,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:48,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:48,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:48,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:12:48,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:48,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:12:48,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:48,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:12:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:48,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:48,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:12:48,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:48,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:48,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:48,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:48,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:12:48,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:48,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:12:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:48,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:48,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:48,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:12:48,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:48,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:48,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:48,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:48,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:12:48,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:48,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:12:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:48,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:49,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:49,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:12:49,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:49,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:12:49,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:49,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:12:49,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:49,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:12:49,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:49,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:12:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:49,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:49,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:49,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:12:49,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:49,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 21:12:49,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:12:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:12:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:12:49,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:12:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:49,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:49,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:49,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:49,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:49,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:49,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:53,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:12:54,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-12 21:12:54,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:12:54,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:12:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-12 21:12:54,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:12:54,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:12:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:54,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:12:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:54,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:12:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:12:54,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:54,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:12:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:12:54,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:12:54,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:12:54,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:12:54,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:12:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:12:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:12:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:12:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:12:54,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:12:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:12:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:12:54,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:12:54,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:12:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:12:54,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:12:54,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:12:54,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:12:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:12:54,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:12:54,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:12:54,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:12:54,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:12:54,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:12:54,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:12:54,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:12:54,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:12:54,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:12:54,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:12:54,391 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 21:12:54,392 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903540209] [2020-10-12 21:12:54,392 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:12:54,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:12:54,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905878132] [2020-10-12 21:12:54,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:12:54,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:12:54,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:12:54,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:12:54,394 INFO L87 Difference]: Start difference. First operand 802 states and 1159 transitions. Second operand 13 states. [2020-10-12 21:12:54,627 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:12:56,102 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:12:56,286 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:12:56,480 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:12:56,777 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:13:02,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:02,236 INFO L93 Difference]: Finished difference Result 2088 states and 3207 transitions. [2020-10-12 21:13:02,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:13:02,237 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 210 [2020-10-12 21:13:02,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:02,245 INFO L225 Difference]: With dead ends: 2088 [2020-10-12 21:13:02,246 INFO L226 Difference]: Without dead ends: 1314 [2020-10-12 21:13:02,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:13:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2020-10-12 21:13:02,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 812. [2020-10-12 21:13:02,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 812 states. [2020-10-12 21:13:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 812 states and 1162 transitions. [2020-10-12 21:13:02,367 INFO L78 Accepts]: Start accepts. Automaton has 812 states and 1162 transitions. Word has length 210 [2020-10-12 21:13:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:02,367 INFO L479 AbstractCegarLoop]: Abstraction has 812 states and 1162 transitions. [2020-10-12 21:13:02,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1162 transitions. [2020-10-12 21:13:02,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:13:02,371 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:02,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:02,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 21:13:02,371 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:02,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:02,372 INFO L82 PathProgramCache]: Analyzing trace with hash 748655779, now seen corresponding path program 1 times [2020-10-12 21:13:02,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:02,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283694093] [2020-10-12 21:13:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:02,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:02,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:07,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:13:07,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 21:13:07,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 21:13:07,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:07,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:07,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-12 21:13:07,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:07,590 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:13:07,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:07,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:07,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:07,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:07,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:13:07,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:07,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:07,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:07,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:07,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:07,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:07,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:07,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:07,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:07,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:07,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:07,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:07,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:07,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:07,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:07,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:07,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:07,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:07,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:07,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:07,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:07,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:07,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:13:07,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:07,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:07,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:07,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:07,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:07,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:13:07,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:07,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:13:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:07,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:07,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:13:07,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:07,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:13:07,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:07,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:07,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:07,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:13:07,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:07,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:13:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:07,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:07,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:08,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:13:12,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 21:13:12,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-12 21:13:12,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:12,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-12 21:13:12,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:12,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:12,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:12,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:12,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:12,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:12,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:12,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:12,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:12,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:12,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:12,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:12,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:12,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:12,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:12,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:12,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:13:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:12,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:12,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:12,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:13:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:13:12,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:13:12,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:13:12,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:12,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:13:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:12,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:12,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:12,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:12,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:12,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:12,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:12,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:12,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:12,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:12,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:13,032 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 21:13:13,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283694093] [2020-10-12 21:13:13,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:13,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:13:13,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9377186] [2020-10-12 21:13:13,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:13:13,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:13,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:13:13,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:13:13,035 INFO L87 Difference]: Start difference. First operand 812 states and 1162 transitions. Second operand 13 states. [2020-10-12 21:13:13,237 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:13:14,471 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:13:14,663 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:13:14,963 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:13:15,253 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:13:19,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:19,970 INFO L93 Difference]: Finished difference Result 2118 states and 3227 transitions. [2020-10-12 21:13:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:13:19,971 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 210 [2020-10-12 21:13:19,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:19,979 INFO L225 Difference]: With dead ends: 2118 [2020-10-12 21:13:19,979 INFO L226 Difference]: Without dead ends: 1334 [2020-10-12 21:13:19,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=143, Invalid=409, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:13:19,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2020-10-12 21:13:20,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 822. [2020-10-12 21:13:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2020-10-12 21:13:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1165 transitions. [2020-10-12 21:13:20,108 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1165 transitions. Word has length 210 [2020-10-12 21:13:20,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:20,108 INFO L479 AbstractCegarLoop]: Abstraction has 822 states and 1165 transitions. [2020-10-12 21:13:20,109 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:13:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1165 transitions. [2020-10-12 21:13:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:13:20,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:20,113 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:20,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 21:13:20,113 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:20,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:20,114 INFO L82 PathProgramCache]: Analyzing trace with hash 918672613, now seen corresponding path program 1 times [2020-10-12 21:13:20,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:20,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [894335284] [2020-10-12 21:13:20,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:20,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:20,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:13:25,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:13:25,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 21:13:25,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:25,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:25,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-12 21:13:25,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,330 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:13:25,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:25,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:13:25,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:25,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:25,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:25,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:25,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:25,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:13:25,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:25,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:13:25,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:13:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:25,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:13:25,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:13:25,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:13:25,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:25,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:13:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:25,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:25,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:13:30,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 21:13:30,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 21:13:30,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:30,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:30,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:30,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:30,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:30,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:30,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:30,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:13:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:30,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:30,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:13:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:13:30,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:30,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:13:30,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:13:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:30,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:30,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:30,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:30,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:30,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:30,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:30,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:30,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:30,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:30,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:30,703 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 21:13:30,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [894335284] [2020-10-12 21:13:30,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:30,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:13:30,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440416447] [2020-10-12 21:13:30,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:13:30,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:30,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:13:30,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:13:30,705 INFO L87 Difference]: Start difference. First operand 822 states and 1165 transitions. Second operand 14 states. [2020-10-12 21:13:30,897 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:13:32,065 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:13:32,244 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:13:32,429 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:13:32,602 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:13:39,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:39,128 INFO L93 Difference]: Finished difference Result 2099 states and 3165 transitions. [2020-10-12 21:13:39,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:13:39,129 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 210 [2020-10-12 21:13:39,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:39,141 INFO L225 Difference]: With dead ends: 2099 [2020-10-12 21:13:39,141 INFO L226 Difference]: Without dead ends: 1305 [2020-10-12 21:13:39,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-10-12 21:13:39,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2020-10-12 21:13:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 827. [2020-10-12 21:13:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-10-12 21:13:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1162 transitions. [2020-10-12 21:13:39,354 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1162 transitions. Word has length 210 [2020-10-12 21:13:39,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:39,355 INFO L479 AbstractCegarLoop]: Abstraction has 827 states and 1162 transitions. [2020-10-12 21:13:39,355 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:13:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1162 transitions. [2020-10-12 21:13:39,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:13:39,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:39,363 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:39,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 21:13:39,363 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:39,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:39,364 INFO L82 PathProgramCache]: Analyzing trace with hash -854912985, now seen corresponding path program 1 times [2020-10-12 21:13:39,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:39,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65996081] [2020-10-12 21:13:39,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:39,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:39,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:39,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:39,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:39,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:39,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:42,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:44,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:44,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:13:44,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 21:13:44,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 21:13:44,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:44,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:44,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-12 21:13:44,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:44,602 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:13:44,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:44,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:44,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:44,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:13:44,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:44,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:44,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:44,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:44,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:44,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:44,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:44,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:44,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:44,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:44,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:44,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:44,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:44,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:44,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:44,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:44,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:44,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:44,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:44,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:13:44,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:13:44,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:13:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:13:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:44,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:44,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:44,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:13:44,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:44,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:13:44,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:44,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:44,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:13:44,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:44,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:13:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:44,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:44,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:44,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:44,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:13:45,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 21:13:45,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1000 [2020-10-12 21:13:45,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:45,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-12 21:13:45,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:45,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:13:45,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:45,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:45,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:45,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:45,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:45,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:45,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:45,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:45,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:45,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:13:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:45,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:45,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:13:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:13:45,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:13:45,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:13:45,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:45,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:13:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:45,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:45,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:45,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:45,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:45,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:45,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:45,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:46,020 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 21:13:46,021 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65996081] [2020-10-12 21:13:46,021 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:46,022 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:13:46,022 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536363465] [2020-10-12 21:13:46,022 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:13:46,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:46,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:13:46,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:13:46,028 INFO L87 Difference]: Start difference. First operand 827 states and 1162 transitions. Second operand 14 states. [2020-10-12 21:13:46,217 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:13:47,381 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:13:47,576 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:13:47,769 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:13:47,952 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:13:53,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:13:53,616 INFO L93 Difference]: Finished difference Result 2144 states and 3216 transitions. [2020-10-12 21:13:53,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:13:53,616 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 210 [2020-10-12 21:13:53,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:13:53,624 INFO L225 Difference]: With dead ends: 2144 [2020-10-12 21:13:53,624 INFO L226 Difference]: Without dead ends: 1345 [2020-10-12 21:13:53,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:13:53,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2020-10-12 21:13:53,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 837. [2020-10-12 21:13:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2020-10-12 21:13:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1165 transitions. [2020-10-12 21:13:53,775 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1165 transitions. Word has length 210 [2020-10-12 21:13:53,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:13:53,775 INFO L479 AbstractCegarLoop]: Abstraction has 837 states and 1165 transitions. [2020-10-12 21:13:53,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:13:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1165 transitions. [2020-10-12 21:13:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:13:53,779 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:13:53,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:13:53,779 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 21:13:53,779 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:13:53,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:13:53,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1032093019, now seen corresponding path program 1 times [2020-10-12 21:13:53,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:13:53,781 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857265006] [2020-10-12 21:13:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:13:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:53,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:53,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:53,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:53,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:53,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:53,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:54,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:55,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:56,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:58,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:58,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:13:58,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-12 21:13:58,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-12 21:13:58,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:58,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:13:58,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:13:58,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 21:13:58,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:58,994 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:13:58,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:13:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:59,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:13:59,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:13:59,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:59,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:13:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:13:59,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:59,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:13:59,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:59,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:13:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:13:59,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:13:59,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:13:59,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:59,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:13:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:13:59,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 21:13:59,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:13:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:13:59,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:59,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:13:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:13:59,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 21:13:59,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:13:59,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:13:59,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:59,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:13:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:13:59,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 21:13:59,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-10-12 21:13:59,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:13:59,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-12 21:13:59,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:13:59,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:13:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:59,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:13:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:13:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:13:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:13:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:13:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:13:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:59,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:13:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:59,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:13:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:13:59,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:13:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:13:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:13:59,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:13:59,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:13:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:13:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:13:59,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:13:59,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:13:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:13:59,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:13:59,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:13:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:13:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:13:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:13:59,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:13:59,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:13:59,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:13:59,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:13:59,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:13:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:13:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:13:59,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:13:59,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 21:13:59,775 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 21:13:59,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857265006] [2020-10-12 21:13:59,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:13:59,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-12 21:13:59,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344949722] [2020-10-12 21:13:59,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 21:13:59,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:13:59,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 21:13:59,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:13:59,779 INFO L87 Difference]: Start difference. First operand 837 states and 1165 transitions. Second operand 14 states. [2020-10-12 21:13:59,961 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:14:01,794 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:14:01,983 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:14:02,177 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:14:02,476 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:14:07,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:07,216 INFO L93 Difference]: Finished difference Result 2119 states and 3149 transitions. [2020-10-12 21:14:07,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 21:14:07,216 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 210 [2020-10-12 21:14:07,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:07,222 INFO L225 Difference]: With dead ends: 2119 [2020-10-12 21:14:07,223 INFO L226 Difference]: Without dead ends: 1310 [2020-10-12 21:14:07,226 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-12 21:14:07,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-10-12 21:14:07,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 847. [2020-10-12 21:14:07,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2020-10-12 21:14:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1168 transitions. [2020-10-12 21:14:07,381 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1168 transitions. Word has length 210 [2020-10-12 21:14:07,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:07,381 INFO L479 AbstractCegarLoop]: Abstraction has 847 states and 1168 transitions. [2020-10-12 21:14:07,381 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 21:14:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1168 transitions. [2020-10-12 21:14:07,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:14:07,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:07,385 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:07,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 21:14:07,386 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:07,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:07,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1137289113, now seen corresponding path program 1 times [2020-10-12 21:14:07,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:07,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390907783] [2020-10-12 21:14:07,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:07,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:07,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:08,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:14:12,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-12 21:14:12,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 21:14:12,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:14:12,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:12,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 21:14:12,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,599 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:14:12,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:12,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:14:12,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:12,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:12,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:12,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:12,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:12,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:14:12,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:12,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:12,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:14:12,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:14:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:14:12,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 21:14:12,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:12,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:14:12,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:14:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:14:12,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:14:12,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-12 21:14:12,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:14:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-12 21:14:12,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:14:12,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:12,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:12,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:12,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:12,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:12,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 21:14:12,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:12,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:12,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:12,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:12,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:12,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:12,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:12,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:12,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:12,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:12,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:12,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:12,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:12,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:12,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:14:12,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:12,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:12,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:12,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:12,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:12,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:12,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:12,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:12,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:12,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:12,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:12,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:12,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:12,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:12,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:12,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:12,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:12,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:12,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:13,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:13,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:13,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:13,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:13,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:13,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:13,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:13,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:13,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:13,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:13,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:13,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:13,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:13,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:13,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:13,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:13,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:13,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:13,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:14:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:13,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:13,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:13,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:13,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:13,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:13,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:13,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:14:13,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:13,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:13,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:14:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:13,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:13,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:14:13,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:13,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:14:13,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:14:13,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:13,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:13,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:14:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:13,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:13,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:13,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:13,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:13,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:13,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:13,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:13,065 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 21:14:13,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [390907783] [2020-10-12 21:14:13,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:13,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:14:13,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003279573] [2020-10-12 21:14:13,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:14:13,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:13,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:14:13,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:14:13,066 INFO L87 Difference]: Start difference. First operand 847 states and 1168 transitions. Second operand 13 states. [2020-10-12 21:14:13,264 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:14:14,706 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:14:14,916 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:14:15,112 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:14:15,414 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:14:18,855 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-12 21:14:19,048 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:14:19,240 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-12 21:14:19,533 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-12 21:14:22,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:22,829 INFO L93 Difference]: Finished difference Result 2607 states and 3784 transitions. [2020-10-12 21:14:22,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 21:14:22,829 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 210 [2020-10-12 21:14:22,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:22,838 INFO L225 Difference]: With dead ends: 2607 [2020-10-12 21:14:22,838 INFO L226 Difference]: Without dead ends: 1788 [2020-10-12 21:14:22,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=262, Invalid=860, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 21:14:22,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1788 states. [2020-10-12 21:14:23,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1788 to 1154. [2020-10-12 21:14:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2020-10-12 21:14:23,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1526 transitions. [2020-10-12 21:14:23,064 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1526 transitions. Word has length 210 [2020-10-12 21:14:23,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:23,065 INFO L479 AbstractCegarLoop]: Abstraction has 1154 states and 1526 transitions. [2020-10-12 21:14:23,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 21:14:23,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1526 transitions. [2020-10-12 21:14:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:14:23,069 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:23,069 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:23,070 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 21:14:23,070 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:23,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:23,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1236581545, now seen corresponding path program 1 times [2020-10-12 21:14:23,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:23,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169307270] [2020-10-12 21:14:23,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:23,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:24,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:14:28,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-12 21:14:28,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-12 21:14:28,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:14:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:28,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 21:14:28,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,286 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:14:28,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:28,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:14:28,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:28,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:28,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:28,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:28,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:28,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:28,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:14:28,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:14:28,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:28,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:14:28,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:14:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:14:28,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:14:28,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:28,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:14:28,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:14:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:14:28,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:14:28,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:14:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:28,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:14:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:28,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:14:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:14:28,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:28,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:14:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:14:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:28,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:28,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:28,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:28,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:28,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:28,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:28,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:28,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:28,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:28,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:28,583 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 21:14:28,583 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169307270] [2020-10-12 21:14:28,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:28,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:14:28,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955675136] [2020-10-12 21:14:28,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:14:28,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:28,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:14:28,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:14:28,585 INFO L87 Difference]: Start difference. First operand 1154 states and 1526 transitions. Second operand 9 states. [2020-10-12 21:14:28,781 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:14:33,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:33,508 INFO L93 Difference]: Finished difference Result 2814 states and 3880 transitions. [2020-10-12 21:14:33,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:14:33,508 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2020-10-12 21:14:33,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:33,516 INFO L225 Difference]: With dead ends: 2814 [2020-10-12 21:14:33,516 INFO L226 Difference]: Without dead ends: 1688 [2020-10-12 21:14:33,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:14:33,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2020-10-12 21:14:33,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1154. [2020-10-12 21:14:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1154 states. [2020-10-12 21:14:33,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1519 transitions. [2020-10-12 21:14:33,753 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1519 transitions. Word has length 210 [2020-10-12 21:14:33,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:33,753 INFO L479 AbstractCegarLoop]: Abstraction has 1154 states and 1519 transitions. [2020-10-12 21:14:33,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:14:33,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1519 transitions. [2020-10-12 21:14:33,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:14:33,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:33,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:33,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 21:14:33,757 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:33,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:33,757 INFO L82 PathProgramCache]: Analyzing trace with hash -164213527, now seen corresponding path program 1 times [2020-10-12 21:14:33,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:33,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809708655] [2020-10-12 21:14:33,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:33,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:33,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:33,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:33,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:34,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:38,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:38,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:14:38,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-12 21:14:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-12 21:14:38,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:14:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-12 21:14:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:38,964 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:14:38,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:38,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:38,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:38,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:38,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:14:38,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:39,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:14:39,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:39,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:39,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:39,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:14:39,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:39,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:14:39,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:14:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:14:39,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:14:39,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:14:39,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:14:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:14:39,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 21:14:39,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:14:39,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:39,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:39,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:14:39,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:14:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:39,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:39,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:14:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:14:39,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:39,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:14:39,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:14:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:39,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:39,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:39,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:39,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:39,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:39,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:39,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:39,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:39,240 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 21:14:39,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809708655] [2020-10-12 21:14:39,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:39,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:14:39,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802499525] [2020-10-12 21:14:39,242 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:14:39,242 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:39,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:14:39,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:14:39,242 INFO L87 Difference]: Start difference. First operand 1154 states and 1519 transitions. Second operand 9 states. [2020-10-12 21:14:39,426 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:14:45,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:45,014 INFO L93 Difference]: Finished difference Result 3170 states and 4384 transitions. [2020-10-12 21:14:45,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:14:45,020 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2020-10-12 21:14:45,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:45,028 INFO L225 Difference]: With dead ends: 3170 [2020-10-12 21:14:45,029 INFO L226 Difference]: Without dead ends: 2044 [2020-10-12 21:14:45,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:14:45,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2020-10-12 21:14:45,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1431. [2020-10-12 21:14:45,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1431 states. [2020-10-12 21:14:45,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1839 transitions. [2020-10-12 21:14:45,282 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1839 transitions. Word has length 210 [2020-10-12 21:14:45,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:45,283 INFO L479 AbstractCegarLoop]: Abstraction has 1431 states and 1839 transitions. [2020-10-12 21:14:45,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:14:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1839 transitions. [2020-10-12 21:14:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:14:45,285 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:45,285 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:45,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 21:14:45,286 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:45,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:45,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1229290327, now seen corresponding path program 1 times [2020-10-12 21:14:45,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:45,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602684579] [2020-10-12 21:14:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:45,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:45,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:14:50,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-12 21:14:50,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-12 21:14:50,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:14:50,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:14:50,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-12 21:14:50,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,480 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:14:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:14:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:50,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:14:50,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:50,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:14:50,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:14:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:14:50,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:50,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:14:50,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:14:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:14:50,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:50,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:14:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:14:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:14:50,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:14:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:14:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:14:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:14:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:14:50,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 21:14:50,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:14:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:14:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:14:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:14:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:14:50,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:14:50,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:14:50,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:14:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:14:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:14:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:14:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:14:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:14:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:14:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:14:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:14:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:14:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:14:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:14:50,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:14:50,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:14:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:14:50,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:14:50,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:14:50,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:14:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:50,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:50,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:14:50,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:14:50,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:14:50,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:14:50,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:14:50,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:14:50,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:14:50,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:14:50,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:14:50,755 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 21:14:50,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602684579] [2020-10-12 21:14:50,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:14:50,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:14:50,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679454391] [2020-10-12 21:14:50,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:14:50,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:14:50,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:14:50,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:14:50,757 INFO L87 Difference]: Start difference. First operand 1431 states and 1839 transitions. Second operand 9 states. [2020-10-12 21:14:50,945 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:14:56,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:14:56,104 INFO L93 Difference]: Finished difference Result 3766 states and 5085 transitions. [2020-10-12 21:14:56,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:14:56,104 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2020-10-12 21:14:56,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:14:56,114 INFO L225 Difference]: With dead ends: 3766 [2020-10-12 21:14:56,115 INFO L226 Difference]: Without dead ends: 2363 [2020-10-12 21:14:56,119 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:14:56,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2020-10-12 21:14:56,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 1688. [2020-10-12 21:14:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1688 states. [2020-10-12 21:14:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2131 transitions. [2020-10-12 21:14:56,421 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2131 transitions. Word has length 210 [2020-10-12 21:14:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:14:56,421 INFO L479 AbstractCegarLoop]: Abstraction has 1688 states and 2131 transitions. [2020-10-12 21:14:56,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:14:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2131 transitions. [2020-10-12 21:14:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:14:56,423 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:14:56,423 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:56,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 21:14:56,424 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:14:56,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:14:56,424 INFO L82 PathProgramCache]: Analyzing trace with hash -891083543, now seen corresponding path program 1 times [2020-10-12 21:14:56,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:14:56,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669469211] [2020-10-12 21:14:56,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:14:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:14:56,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:56,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:57,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:14:57,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:15:01,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 21:15:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-12 21:15:01,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:15:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:15:01,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-12 21:15:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,626 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:15:01,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:15:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:01,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:15:01,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:01,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:15:01,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:15:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:01,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:01,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:15:01,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:15:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:15:01,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:01,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:15:01,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:15:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:15:01,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:15:01,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:01,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:15:01,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:15:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:15:01,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:15:01,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:15:01,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:15:01,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:15:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:15:01,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 21:15:01,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:15:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:15:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:15:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:15:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:15:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:15:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:15:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:15:01,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:15:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:15:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:15:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:01,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:15:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:15:01,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 21:15:01,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:15:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:15:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:01,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:01,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:01,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:01,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:01,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:01,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:01,917 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 21:15:01,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669469211] [2020-10-12 21:15:01,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:15:01,918 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:15:01,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463011729] [2020-10-12 21:15:01,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:15:01,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:15:01,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:15:01,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:15:01,919 INFO L87 Difference]: Start difference. First operand 1688 states and 2131 transitions. Second operand 9 states. [2020-10-12 21:15:02,147 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:15:07,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:15:07,006 INFO L93 Difference]: Finished difference Result 4023 states and 5282 transitions. [2020-10-12 21:15:07,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:15:07,011 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2020-10-12 21:15:07,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:15:07,021 INFO L225 Difference]: With dead ends: 4023 [2020-10-12 21:15:07,021 INFO L226 Difference]: Without dead ends: 2363 [2020-10-12 21:15:07,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:15:07,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2020-10-12 21:15:07,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 1688. [2020-10-12 21:15:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1688 states. [2020-10-12 21:15:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2124 transitions. [2020-10-12 21:15:07,296 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2124 transitions. Word has length 210 [2020-10-12 21:15:07,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:15:07,296 INFO L479 AbstractCegarLoop]: Abstraction has 1688 states and 2124 transitions. [2020-10-12 21:15:07,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:15:07,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2124 transitions. [2020-10-12 21:15:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:15:07,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:15:07,298 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:07,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 21:15:07,299 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:15:07,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:15:07,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1003392169, now seen corresponding path program 1 times [2020-10-12 21:15:07,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:15:07,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1368822418] [2020-10-12 21:15:07,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:15:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:07,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:07,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:15:12,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-12 21:15:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-12 21:15:12,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:15:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:15:12,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 21:15:12,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,517 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:15:12,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:15:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:12,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 21:15:12,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:15:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:15:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:12,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:12,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:15:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:15:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:15:12,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:15:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:15:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:15:12,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:15:12,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:15:12,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:15:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:15:12,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:15:12,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:15:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:15:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:15:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:15:12,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:15:12,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:15:12,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:15:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:15:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:15:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:15:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:15:12,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:15:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:15:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:15:12,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:15:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:15:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:12,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:12,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:12,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:15:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:15:12,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:15:12,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:15:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:15:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:12,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:12,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:12,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:12,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:12,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:12,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:12,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:12,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:12,803 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 21:15:12,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1368822418] [2020-10-12 21:15:12,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:15:12,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:15:12,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928483703] [2020-10-12 21:15:12,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:15:12,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:15:12,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:15:12,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:15:12,805 INFO L87 Difference]: Start difference. First operand 1688 states and 2124 transitions. Second operand 9 states. [2020-10-12 21:15:12,983 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:15:17,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:15:17,145 INFO L93 Difference]: Finished difference Result 4023 states and 5264 transitions. [2020-10-12 21:15:17,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 21:15:17,146 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2020-10-12 21:15:17,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:15:17,156 INFO L225 Difference]: With dead ends: 4023 [2020-10-12 21:15:17,156 INFO L226 Difference]: Without dead ends: 2363 [2020-10-12 21:15:17,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-12 21:15:17,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2363 states. [2020-10-12 21:15:17,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2363 to 1688. [2020-10-12 21:15:17,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1688 states. [2020-10-12 21:15:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1688 states and 2117 transitions. [2020-10-12 21:15:17,385 INFO L78 Accepts]: Start accepts. Automaton has 1688 states and 2117 transitions. Word has length 210 [2020-10-12 21:15:17,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:15:17,385 INFO L479 AbstractCegarLoop]: Abstraction has 1688 states and 2117 transitions. [2020-10-12 21:15:17,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:15:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2117 transitions. [2020-10-12 21:15:17,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:15:17,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:15:17,388 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:17,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 21:15:17,388 INFO L427 AbstractCegarLoop]: === Iteration 14 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:15:17,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:15:17,388 INFO L82 PathProgramCache]: Analyzing trace with hash 528417897, now seen corresponding path program 1 times [2020-10-12 21:15:17,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:15:17,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511559595] [2020-10-12 21:15:17,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:15:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:17,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:17,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:15:22,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-12 21:15:22,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 21:15:22,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:15:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:15:22,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-12 21:15:22,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,600 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:15:22,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:15:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:22,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 21:15:22,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:15:22,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:15:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:22,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:22,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:15:22,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:15:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:15:22,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:15:22,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:15:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:15:22,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 21:15:22,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:15:22,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:15:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:15:22,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 21:15:22,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:22,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:15:22,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:15:22,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:15:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:15:22,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:15:22,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-12 21:15:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:15:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:15:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:15:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:15:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:15:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:15:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:15:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:15:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:15:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:22,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:15:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:22,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:22,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:22,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:15:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:15:22,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:15:22,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:15:22,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:15:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:22,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:22,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:22,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:22,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:22,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:22,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:22,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:22,885 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 21:15:22,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511559595] [2020-10-12 21:15:22,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:15:22,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-12 21:15:22,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422653515] [2020-10-12 21:15:22,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 21:15:22,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:15:22,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 21:15:22,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-12 21:15:22,887 INFO L87 Difference]: Start difference. First operand 1688 states and 2117 transitions. Second operand 9 states. [2020-10-12 21:15:23,066 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:15:28,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 21:15:28,716 INFO L93 Difference]: Finished difference Result 4376 states and 5772 transitions. [2020-10-12 21:15:28,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 21:15:28,720 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 210 [2020-10-12 21:15:28,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 21:15:28,728 INFO L225 Difference]: With dead ends: 4376 [2020-10-12 21:15:28,728 INFO L226 Difference]: Without dead ends: 2716 [2020-10-12 21:15:28,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-12 21:15:28,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2020-10-12 21:15:29,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1965. [2020-10-12 21:15:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1965 states. [2020-10-12 21:15:29,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2429 transitions. [2020-10-12 21:15:29,004 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2429 transitions. Word has length 210 [2020-10-12 21:15:29,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 21:15:29,004 INFO L479 AbstractCegarLoop]: Abstraction has 1965 states and 2429 transitions. [2020-10-12 21:15:29,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 21:15:29,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2429 transitions. [2020-10-12 21:15:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-12 21:15:29,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 21:15:29,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:29,006 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 21:15:29,007 INFO L427 AbstractCegarLoop]: === Iteration 15 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 21:15:29,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 21:15:29,007 INFO L82 PathProgramCache]: Analyzing trace with hash 595161224, now seen corresponding path program 1 times [2020-10-12 21:15:29,007 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 21:15:29,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1999553462] [2020-10-12 21:15:29,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 21:15:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:29,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:29,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:29,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:29,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:29,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:29,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:29,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:29,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:29,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:29,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 21:15:34,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-12 21:15:34,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-12 21:15:34,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 21:15:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 21:15:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-12 21:15:34,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,202 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-12 21:15:34,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 21:15:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:34,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:15:34,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 21:15:34,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 21:15:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 21:15:34,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:34,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 21:15:34,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 21:15:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 21:15:34,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:34,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 21:15:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 21:15:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-12 21:15:34,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:15:34,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 21:15:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 21:15:34,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 21:15:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:15:34,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 21:15:34,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-12 21:15:34,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 21:15:34,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 21:15:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-12 21:15:34,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 21:15:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-12 21:15:34,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 21:15:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-10-12 21:15:34,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 21:15:34,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 21:15:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:34,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 21:15:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:34,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 21:15:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:34,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 21:15:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:34,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 21:15:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:34,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 21:15:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:34,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 21:15:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:34,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 21:15:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 21:15:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 21:15:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 21:15:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 21:15:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 21:15:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:34,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 21:15:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 21:15:34,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 21:15:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 21:15:34,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:34,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 21:15:34,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 21:15:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 21:15:34,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 21:15:34,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 21:15:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 21:15:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 21:15:34,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 21:15:34,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 21:15:34,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 21:15:34,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 21:15:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 21:15:34,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 21:15:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 21:15:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 21:15:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 21:15:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 21:15:34,602 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 21:15:34,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1999553462] [2020-10-12 21:15:34,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 21:15:34,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-12 21:15:34,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470307627] [2020-10-12 21:15:34,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 21:15:34,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 21:15:34,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 21:15:34,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-10-12 21:15:34,604 INFO L87 Difference]: Start difference. First operand 1965 states and 2429 transitions. Second operand 13 states. [2020-10-12 21:15:34,787 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-12 21:15:36,320 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:15:36,509 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2020-10-12 21:15:36,703 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:15:36,984 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-10-12 21:15:39,698 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-10-12 21:15:40,274 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:15:40,461 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-12 21:15:40,654 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-12 21:15:40,839 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:15:41,085 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2020-10-12 21:15:41,375 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-12 21:15:41,663 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-12 21:15:41,927 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 166