/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.07.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:13:36,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:13:36,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:13:36,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:13:36,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:13:36,857 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:13:36,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:13:36,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:13:36,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:13:36,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:13:36,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:13:36,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:13:36,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:13:36,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:13:36,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:13:36,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:13:36,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:13:36,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:13:36,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:13:36,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:13:36,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:13:36,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:13:36,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:13:36,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:13:36,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:13:36,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:13:36,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:13:36,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:13:36,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:13:36,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:13:36,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:13:36,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:13:36,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:13:36,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:13:36,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:13:36,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:13:36,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:13:36,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:13:36,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:13:36,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:13:36,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:13:36,911 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 [2020-10-14 10:13:36,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:13:36,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:13:36,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:13:36,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:13:36,946 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:13:36,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:13:36,947 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:13:36,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:13:36,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:13:36,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:13:36,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:13:36,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:13:36,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:13:36,948 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:13:36,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:13:36,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:13:36,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:13:36,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:13:36,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:13:36,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:13:36,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:13:36,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:13:36,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:13:36,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:13:36,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:13:36,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:13:36,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:13:36,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:13:36,951 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:13:36,951 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 10:13:37,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:13:37,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:13:37,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:13:37,315 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:13:37,316 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:13:37,316 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.07.cil-1.c [2020-10-14 10:13:37,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ad0d6ee7/afc8b912e62040e0939fff8c0904d163/FLAG8818b7447 [2020-10-14 10:13:37,907 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:13:37,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.07.cil-1.c [2020-10-14 10:13:37,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ad0d6ee7/afc8b912e62040e0939fff8c0904d163/FLAG8818b7447 [2020-10-14 10:13:38,227 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ad0d6ee7/afc8b912e62040e0939fff8c0904d163 [2020-10-14 10:13:38,235 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:13:38,236 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:13:38,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:13:38,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:13:38,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:13:38,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:38" (1/1) ... [2020-10-14 10:13:38,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e5dc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38, skipping insertion in model container [2020-10-14 10:13:38,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:38" (1/1) ... [2020-10-14 10:13:38,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:13:38,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:13:38,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:13:38,573 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:13:38,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:13:38,768 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:13:38,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38 WrapperNode [2020-10-14 10:13:38,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:13:38,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:13:38,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:13:38,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:13:38,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38" (1/1) ... [2020-10-14 10:13:38,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38" (1/1) ... [2020-10-14 10:13:38,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38" (1/1) ... [2020-10-14 10:13:38,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38" (1/1) ... [2020-10-14 10:13:38,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38" (1/1) ... [2020-10-14 10:13:38,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38" (1/1) ... [2020-10-14 10:13:38,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38" (1/1) ... [2020-10-14 10:13:38,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:13:38,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:13:38,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:13:38,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:13:38,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38" (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 [2020-10-14 10:13:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:13:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:13:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-14 10:13:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-14 10:13:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-14 10:13:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-14 10:13:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-14 10:13:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-14 10:13:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-14 10:13:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-14 10:13:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-14 10:13:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-14 10:13:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-14 10:13:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-14 10:13:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-14 10:13:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-14 10:13:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-14 10:13:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-14 10:13:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-14 10:13:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-14 10:13:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-14 10:13:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-14 10:13:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-14 10:13:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-14 10:13:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-14 10:13:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-14 10:13:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-14 10:13:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-14 10:13:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-14 10:13:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-14 10:13:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-14 10:13:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-14 10:13:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:13:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:13:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-14 10:13:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-14 10:13:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-14 10:13:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-14 10:13:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-14 10:13:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-14 10:13:38,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-14 10:13:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-14 10:13:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-14 10:13:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-14 10:13:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:13:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-14 10:13:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-14 10:13:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-14 10:13:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-14 10:13:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-14 10:13:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-14 10:13:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-14 10:13:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-14 10:13:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-14 10:13:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-14 10:13:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-14 10:13:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-14 10:13:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-14 10:13:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-14 10:13:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-14 10:13:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-14 10:13:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-14 10:13:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-14 10:13:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-14 10:13:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-14 10:13:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:13:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:13:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:13:39,795 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:13:39,795 INFO L295 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-14 10:13:39,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:13:39 BoogieIcfgContainer [2020-10-14 10:13:39,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:13:39,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:13:39,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:13:39,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:13:39,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:13:38" (1/3) ... [2020-10-14 10:13:39,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb7390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:13:39, skipping insertion in model container [2020-10-14 10:13:39,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:38" (2/3) ... [2020-10-14 10:13:39,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31cb7390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:13:39, skipping insertion in model container [2020-10-14 10:13:39,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:13:39" (3/3) ... [2020-10-14 10:13:39,811 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.07.cil-1.c [2020-10-14 10:13:39,822 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:13:39,831 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:13:39,845 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:13:39,873 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:13:39,874 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:13:39,874 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:13:39,874 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:13:39,874 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:13:39,875 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:13:39,875 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:13:39,875 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:13:39,908 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states. [2020-10-14 10:13:39,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:13:39,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:13:39,928 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] [2020-10-14 10:13:39,929 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:13:39,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:13:39,935 INFO L82 PathProgramCache]: Analyzing trace with hash -684252572, now seen corresponding path program 1 times [2020-10-14 10:13:39,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:13:39,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684899957] [2020-10-14 10:13:39,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:13:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:40,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:40,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:40,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:40,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:41,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:41,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:41,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:41,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:41,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:43,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:45,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:45,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:13:45,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-14 10:13:45,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-14 10:13:45,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:45,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-14 10:13:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:13:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 10:13:45,521 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:13:45,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:13:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:45,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:45,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:45,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:45,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:45,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 10:13:45,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:45,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:45,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:45,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:45,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 10:13:45,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:13:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:45,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:45,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:45,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:45,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:45,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:13:45,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:45,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:45,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:45,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:45,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:13:45,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:45,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:13:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:45,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:45,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:45,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:13:45,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:13:45,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:45,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:45,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:13:45,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:45,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:13:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:45,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:45,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:45,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:13:45,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:45,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 10:13:45,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:45,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:45,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:45,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-14 10:13:45,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 10:13:45,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:45,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:13:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:45,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:45,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:45,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:13:45,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:45,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:13:45,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:45,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:45,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:45,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:13:45,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:45,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:45,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:13:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:45,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:45,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:45,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:13:46,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:13:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-10-14 10:13:46,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-10-14 10:13:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:13:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:46,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:46,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:46,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:13:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:46,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:46,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:13:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:46,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:46,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:13:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:46,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:46,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:13:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:46,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:46,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:13:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:46,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:46,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:13:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:46,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:46,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:46,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:13:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:46,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:46,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:46,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:13:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:13:46,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:13:46,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:13:46,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:13:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:46,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:46,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:13:46,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:46,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:46,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:46,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:46,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:13:46,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:46,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:13:46,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684899957] [2020-10-14 10:13:46,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:13:46,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:13:46,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193695252] [2020-10-14 10:13:46,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:13:46,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:13:46,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:13:46,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:13:46,225 INFO L87 Difference]: Start difference. First operand 324 states. Second operand 8 states. [2020-10-14 10:13:46,401 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 10:13:46,611 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:13:50,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:13:50,569 INFO L93 Difference]: Finished difference Result 830 states and 1338 transitions. [2020-10-14 10:13:50,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:13:50,571 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-10-14 10:13:50,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:13:50,593 INFO L225 Difference]: With dead ends: 830 [2020-10-14 10:13:50,594 INFO L226 Difference]: Without dead ends: 511 [2020-10-14 10:13:50,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-14 10:13:50,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-10-14 10:13:50,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 315. [2020-10-14 10:13:50,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2020-10-14 10:13:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 452 transitions. [2020-10-14 10:13:50,728 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 452 transitions. Word has length 161 [2020-10-14 10:13:50,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:13:50,729 INFO L479 AbstractCegarLoop]: Abstraction has 315 states and 452 transitions. [2020-10-14 10:13:50,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:13:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 452 transitions. [2020-10-14 10:13:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:13:50,734 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:13:50,735 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] [2020-10-14 10:13:50,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:13:50,735 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:13:50,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:13:50,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1110807070, now seen corresponding path program 1 times [2020-10-14 10:13:50,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:13:50,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977199614] [2020-10-14 10:13:50,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:13:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:50,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:50,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:50,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:51,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:53,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:53,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:53,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:53,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:53,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:53,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:53,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:53,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:54,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:55,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:55,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:13:55,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-14 10:13:55,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 10:13:55,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:55,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:55,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:13:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-14 10:13:55,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 10:13:55,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:55,963 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:13:55,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:13:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:55,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:55,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:55,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:55,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:55,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:13:55,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:55,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:55,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:55,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:56,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:13:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:56,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:56,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:56,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:13:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:13:56,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:13:56,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:56,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:13:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:13:56,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:13:56,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:56,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:13:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:13:56,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:13:56,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:13:56,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:56,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:13:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:13:56,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:13:56,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-14 10:13:56,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 10:13:56,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:56,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:13:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:56,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:56,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,434 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:56,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:13:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:56,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:56,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:56,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:13:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:56,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:56,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:56,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:13:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:56,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:56,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:56,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:13:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:56,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:56,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:56,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:13:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:56,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:56,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:56,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:13:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:56,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:56,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:56,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:13:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:56,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:56,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:56,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:13:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:13:56,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 10:13:56,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:13:56,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:13:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:13:56,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:56,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:13:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:56,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:13:56,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:56,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:56,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:56,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:13:56,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:56,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:13:56,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:13:56,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977199614] [2020-10-14 10:13:56,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:13:56,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:13:56,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531710159] [2020-10-14 10:13:56,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:13:56,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:13:56,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:13:56,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:13:56,631 INFO L87 Difference]: Start difference. First operand 315 states and 452 transitions. Second operand 9 states. [2020-10-14 10:13:57,517 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 10:13:58,948 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 10:14:04,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:04,057 INFO L93 Difference]: Finished difference Result 1395 states and 2124 transitions. [2020-10-14 10:14:04,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 10:14:04,058 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-10-14 10:14:04,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:04,071 INFO L225 Difference]: With dead ends: 1395 [2020-10-14 10:14:04,071 INFO L226 Difference]: Without dead ends: 1107 [2020-10-14 10:14:04,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-14 10:14:04,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2020-10-14 10:14:04,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 808. [2020-10-14 10:14:04,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2020-10-14 10:14:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1199 transitions. [2020-10-14 10:14:04,254 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1199 transitions. Word has length 161 [2020-10-14 10:14:04,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:04,256 INFO L479 AbstractCegarLoop]: Abstraction has 808 states and 1199 transitions. [2020-10-14 10:14:04,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:14:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1199 transitions. [2020-10-14 10:14:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:14:04,267 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:04,268 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] [2020-10-14 10:14:04,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:14:04,268 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:04,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:04,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1770338592, now seen corresponding path program 1 times [2020-10-14 10:14:04,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:04,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424568978] [2020-10-14 10:14:04,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:05,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:05,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:05,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:05,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:05,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:05,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:05,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:05,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:06,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:08,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:09,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:09,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:14:09,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-14 10:14:09,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 10:14:09,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:09,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:09,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:14:09,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-14 10:14:09,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-10-14 10:14:09,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 21 [2020-10-14 10:14:09,476 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:14:09,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:09,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:09,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:09,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:09,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:09,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 10:14:09,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:09,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:09,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:09,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:09,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:09,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:09,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:09,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:09,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:09,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:09,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:09,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:09,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:09,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:09,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:09,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:09,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:09,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:09,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:14:09,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:09,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:09,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:09,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:09,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:09,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:09,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:09,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:09,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:09,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:14:09,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:09,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:14:09,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:09,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:09,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:09,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:09,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:14:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:09,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:09,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:09,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:14:09,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:09,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:14:09,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:09,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:09,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:09,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:09,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:14:09,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:09,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:14:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:09,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:09,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:09,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:09,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:14:10,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:14:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-14 10:14:10,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:10,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-14 10:14:10,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:10,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:10,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:10,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:10,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:10,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:10,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:10,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:10,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:10,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:10,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:10,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:10,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:10,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:10,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:10,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:10,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:10,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:10,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:10,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:10,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:10,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:10,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:10,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:10,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:10,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:10,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:10,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:10,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:10,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:10,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:14:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:10,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:10,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:10,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:10,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:14:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:10,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:10,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:10,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:10,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:10,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:10,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:14:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:14:10,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 10:14:10,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:14:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:14:10,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-14 10:14:10,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:10,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:14:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:10,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:10,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:10,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:10,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:10,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:10,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:10,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:10,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:14:10,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424568978] [2020-10-14 10:14:10,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:10,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:14:10,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806873372] [2020-10-14 10:14:10,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:14:10,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:10,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:14:10,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:14:10,161 INFO L87 Difference]: Start difference. First operand 808 states and 1199 transitions. Second operand 9 states. [2020-10-14 10:14:10,981 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:14:11,393 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 10:14:22,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:22,625 INFO L93 Difference]: Finished difference Result 3640 states and 5864 transitions. [2020-10-14 10:14:22,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 10:14:22,626 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-10-14 10:14:22,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:22,660 INFO L225 Difference]: With dead ends: 3640 [2020-10-14 10:14:22,660 INFO L226 Difference]: Without dead ends: 2861 [2020-10-14 10:14:22,666 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2020-10-14 10:14:22,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2861 states. [2020-10-14 10:14:23,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2861 to 2204. [2020-10-14 10:14:23,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2204 states. [2020-10-14 10:14:23,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2204 states to 2204 states and 3348 transitions. [2020-10-14 10:14:23,092 INFO L78 Accepts]: Start accepts. Automaton has 2204 states and 3348 transitions. Word has length 161 [2020-10-14 10:14:23,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:23,093 INFO L479 AbstractCegarLoop]: Abstraction has 2204 states and 3348 transitions. [2020-10-14 10:14:23,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:14:23,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 3348 transitions. [2020-10-14 10:14:23,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:14:23,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:23,101 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] [2020-10-14 10:14:23,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:14:23,102 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:23,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:23,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1138425310, now seen corresponding path program 1 times [2020-10-14 10:14:23,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:23,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609192677] [2020-10-14 10:14:23,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:23,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:23,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:23,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:23,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:23,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:23,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:23,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:23,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:23,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:24,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:14:28,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-14 10:14:28,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-14 10:14:28,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:14:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:14:28,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 142 [2020-10-14 10:14:28,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:28,297 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:14:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:28,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 10:14:28,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:28,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:14:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:28,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:14:28,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:14:28,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:28,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:28,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:14:28,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:14:28,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:14:28,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:14:28,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:28,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:14:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:14:28,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:14:28,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:14:28,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:14:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:14:28,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:14:28,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-14 10:14:28,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-14 10:14:28,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:14:28,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:28,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:28,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:28,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:28,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:28,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:28,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:28,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:28,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:28,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:28,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:28,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:28,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:28,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:28,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:28,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:28,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:28,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:28,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:28,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:28,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:28,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:14:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:28,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:28,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:28,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:14:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:28,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:28,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:28,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:14:28,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:28,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:14:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:14:28,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:14:28,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:14:28,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:28,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:14:28,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:28,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:28,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:28,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:28,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:28,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:28,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:28,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:28,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:14:28,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609192677] [2020-10-14 10:14:28,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:28,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:14:28,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196995103] [2020-10-14 10:14:28,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:14:28,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:28,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:14:28,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:14:28,907 INFO L87 Difference]: Start difference. First operand 2204 states and 3348 transitions. Second operand 9 states. [2020-10-14 10:14:29,043 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:14:31,612 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:14:37,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:37,398 INFO L93 Difference]: Finished difference Result 7610 states and 12362 transitions. [2020-10-14 10:14:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:14:37,399 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-10-14 10:14:37,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:37,450 INFO L225 Difference]: With dead ends: 7610 [2020-10-14 10:14:37,451 INFO L226 Difference]: Without dead ends: 5436 [2020-10-14 10:14:37,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:14:37,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5436 states. [2020-10-14 10:14:38,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5436 to 4355. [2020-10-14 10:14:38,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4355 states. [2020-10-14 10:14:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 6579 transitions. [2020-10-14 10:14:38,343 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 6579 transitions. Word has length 161 [2020-10-14 10:14:38,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:38,346 INFO L479 AbstractCegarLoop]: Abstraction has 4355 states and 6579 transitions. [2020-10-14 10:14:38,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:14:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 6579 transitions. [2020-10-14 10:14:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:14:38,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:38,355 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] [2020-10-14 10:14:38,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:14:38,356 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:38,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:38,357 INFO L82 PathProgramCache]: Analyzing trace with hash -741300771, now seen corresponding path program 1 times [2020-10-14 10:14:38,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:38,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072392063] [2020-10-14 10:14:38,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:38,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:38,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:38,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:38,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:39,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:39,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:39,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:39,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:39,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:39,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:40,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:14:43,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 10:14:43,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 10:14:43,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:14:43,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:14:43,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 10:14:43,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:43,536 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:14:43,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:43,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:14:43,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:14:43,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:43,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:14:43,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:43,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:14:43,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:43,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:43,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:43,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:14:43,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:14:43,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:14:43,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:43,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:14:43,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:14:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:14:43,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 10:14:43,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:14:43,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:14:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:14:43,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:14:43,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-14 10:14:43,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:43,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 10:14:43,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 10:14:43,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:43,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:43,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:43,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:43,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:43,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:43,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:43,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:14:43,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:43,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:43,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:43,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:43,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:43,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:43,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:43,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:43,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:43,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:43,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:43,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:43,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:43,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:43,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:14:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:43,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:14:43,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:43,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:14:43,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:14:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:43,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:43,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:43,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:43,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:14:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:14:43,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:14:43,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:43,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:14:43,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:43,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:43,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:14:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:43,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:43,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:43,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:43,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:43,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:43,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:43,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:43,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:43,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:14:44,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072392063] [2020-10-14 10:14:44,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:44,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:14:44,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583934283] [2020-10-14 10:14:44,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:14:44,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:44,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:14:44,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:14:44,062 INFO L87 Difference]: Start difference. First operand 4355 states and 6579 transitions. Second operand 9 states. [2020-10-14 10:14:44,265 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:14:47,134 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:14:52,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:52,689 INFO L93 Difference]: Finished difference Result 14966 states and 24192 transitions. [2020-10-14 10:14:52,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:14:52,689 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-10-14 10:14:52,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:52,751 INFO L225 Difference]: With dead ends: 14966 [2020-10-14 10:14:52,752 INFO L226 Difference]: Without dead ends: 10641 [2020-10-14 10:14:52,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:14:52,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10641 states. [2020-10-14 10:14:53,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10641 to 8596. [2020-10-14 10:14:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8596 states. [2020-10-14 10:14:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8596 states to 8596 states and 12935 transitions. [2020-10-14 10:14:53,717 INFO L78 Accepts]: Start accepts. Automaton has 8596 states and 12935 transitions. Word has length 161 [2020-10-14 10:14:53,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:53,718 INFO L479 AbstractCegarLoop]: Abstraction has 8596 states and 12935 transitions. [2020-10-14 10:14:53,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:14:53,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8596 states and 12935 transitions. [2020-10-14 10:14:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:14:53,722 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:53,722 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] [2020-10-14 10:14:53,722 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:14:53,723 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:53,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:53,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1882948164, now seen corresponding path program 1 times [2020-10-14 10:14:53,723 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:53,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [475345792] [2020-10-14 10:14:53,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:53,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:53,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:53,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:54,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:55,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:55,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:56,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:56,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:58,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:14:58,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-14 10:14:58,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 10:14:58,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:58,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:14:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:14:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-14 10:14:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:58,888 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:14:58,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:58,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:58,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:58,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:58,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 10:14:58,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:58,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:58,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:14:58,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:58,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:58,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:58,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:58,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:58,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:58,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:14:58,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:58,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:58,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:14:58,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:58,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:58,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:58,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:58,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:58,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:58,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:58,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:58,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:58,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:58,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:14:58,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:14:59,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:14:59,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:14:59,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:59,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:14:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:14:59,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:14:59,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:59,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:14:59,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:14:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:14:59,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:14:59,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-14 10:14:59,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:59,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-14 10:14:59,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:14:59,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:59,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:59,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:59,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:59,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:59,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:59,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:59,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:59,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:59,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:59,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:59,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:59,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:59,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:59,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:59,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:14:59,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:59,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:59,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:59,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:59,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:14:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:59,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:59,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:59,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:14:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:59,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:59,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:14:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:14:59,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:14:59,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:59,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:14:59,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:59,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:14:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:59,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:59,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:59,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:59,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:59,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:59,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:59,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:59,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:59,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:14:59,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [475345792] [2020-10-14 10:14:59,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:59,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:14:59,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097868085] [2020-10-14 10:14:59,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:14:59,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:59,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:14:59,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:14:59,690 INFO L87 Difference]: Start difference. First operand 8596 states and 12935 transitions. Second operand 9 states. [2020-10-14 10:14:59,841 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:15:02,231 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:15:08,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:15:08,490 INFO L93 Difference]: Finished difference Result 29431 states and 47458 transitions. [2020-10-14 10:15:08,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:15:08,491 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-10-14 10:15:08,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:15:08,596 INFO L225 Difference]: With dead ends: 29431 [2020-10-14 10:15:08,596 INFO L226 Difference]: Without dead ends: 20865 [2020-10-14 10:15:08,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:15:08,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20865 states. [2020-10-14 10:15:11,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20865 to 16956. [2020-10-14 10:15:11,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16956 states. [2020-10-14 10:15:11,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16956 states to 16956 states and 25461 transitions. [2020-10-14 10:15:11,209 INFO L78 Accepts]: Start accepts. Automaton has 16956 states and 25461 transitions. Word has length 161 [2020-10-14 10:15:11,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:15:11,210 INFO L479 AbstractCegarLoop]: Abstraction has 16956 states and 25461 transitions. [2020-10-14 10:15:11,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:15:11,210 INFO L276 IsEmpty]: Start isEmpty. Operand 16956 states and 25461 transitions. [2020-10-14 10:15:11,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:15:11,213 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:15:11,214 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] [2020-10-14 10:15:11,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:15:11,214 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:15:11,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:15:11,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1544099101, now seen corresponding path program 1 times [2020-10-14 10:15:11,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:15:11,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278657117] [2020-10-14 10:15:11,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:15:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:11,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:11,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:11,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:11,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:12,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:13,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:16,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:15:16,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-14 10:15:16,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 10:15:16,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:16,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:16,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:15:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:15:16,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 10:15:16,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:16,392 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:15:16,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:16,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:16,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:16,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:16,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:15:16,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:16,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:16,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:16,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:16,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:15:16,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:16,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:15:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:16,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:16,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:16,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:16,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:16,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:16,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:16,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:16,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:16,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:15:16,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:16,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:15:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:16,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:16,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:15:16,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:16,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:16,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:16,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:16,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:15:16,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:16,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:15:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:16,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:16,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:15:16,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:16,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:15:16,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:16,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:16,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:16,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:15:16,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:16,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:15:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:16,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:15:16,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:16,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 10:15:16,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:16,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:16,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:16,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:16,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:15:16,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:16,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:15:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:16,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:15:17,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:15:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1046 [2020-10-14 10:15:17,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 10:15:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 10:15:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:17,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:17,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:17,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:17,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:17,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:17,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:17,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:17,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:17,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:17,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:17,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:17,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:17,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:17,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:17,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:15:17,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:17,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:17,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:17,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:17,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:17,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:17,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:17,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:17,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:17,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:17,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:17,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:17,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:17,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:17,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:15:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:17,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:17,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:17,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:17,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:17,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:17,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:15:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:17,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:17,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:17,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:17,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:17,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:17,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:15:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:15:17,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:15:17,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:17,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:15:17,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:17,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:17,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:15:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:17,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:17,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:17,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:17,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:17,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:17,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:17,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:17,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:15:17,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278657117] [2020-10-14 10:15:17,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:15:17,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:15:17,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720205934] [2020-10-14 10:15:17,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:15:17,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:15:17,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:15:17,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:15:17,741 INFO L87 Difference]: Start difference. First operand 16956 states and 25461 transitions. Second operand 9 states. [2020-10-14 10:15:17,883 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:15:20,259 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:15:27,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:15:27,694 INFO L93 Difference]: Finished difference Result 52488 states and 83435 transitions. [2020-10-14 10:15:27,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:15:27,694 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-10-14 10:15:27,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:15:27,846 INFO L225 Difference]: With dead ends: 52488 [2020-10-14 10:15:27,846 INFO L226 Difference]: Without dead ends: 35565 [2020-10-14 10:15:27,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:15:27,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35565 states. [2020-10-14 10:15:30,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35565 to 29257. [2020-10-14 10:15:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29257 states. [2020-10-14 10:15:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29257 states to 29257 states and 43734 transitions. [2020-10-14 10:15:30,538 INFO L78 Accepts]: Start accepts. Automaton has 29257 states and 43734 transitions. Word has length 161 [2020-10-14 10:15:30,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:15:30,538 INFO L479 AbstractCegarLoop]: Abstraction has 29257 states and 43734 transitions. [2020-10-14 10:15:30,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:15:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 29257 states and 43734 transitions. [2020-10-14 10:15:30,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:15:30,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:15:30,541 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] [2020-10-14 10:15:30,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:15:30,542 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:15:30,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:15:30,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1817094524, now seen corresponding path program 1 times [2020-10-14 10:15:30,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:15:30,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [719641763] [2020-10-14 10:15:30,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:15:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:30,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:30,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:31,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:31,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:31,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:35,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:15:35,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:15:35,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 10:15:35,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:35,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-14 10:15:35,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:35,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:35,683 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:15:35,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:35,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:35,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:15:35,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:35,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:35,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:35,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:35,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:15:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:35,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:35,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:35,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:35,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:35,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:35,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:35,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:35,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:15:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:35,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:35,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:15:35,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:35,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:35,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:35,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:35,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:35,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:35,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:35,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:35,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:15:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:35,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:35,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:15:35,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:35,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:35,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:35,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:35,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:35,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:35,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:35,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:15:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:35,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:35,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:15:35,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:35,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:35,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:35,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:35,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:35,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:35,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:15:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:35,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:15:38,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:15:38,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2645 [2020-10-14 10:15:38,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:38,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:15:38,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:38,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:38,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:38,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:38,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:38,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:38,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:38,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:38,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:38,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:38,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:38,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:38,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:38,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:38,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:38,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:15:38,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:38,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:15:38,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:38,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:38,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:38,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:38,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:15:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:38,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:38,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:38,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:15:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:38,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:38,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:38,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:38,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:15:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:15:38,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:38,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:15:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:38,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:15:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:38,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:38,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:38,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:38,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:38,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:38,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:38,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:15:38,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [719641763] [2020-10-14 10:15:38,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:15:38,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:15:38,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240904560] [2020-10-14 10:15:38,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:15:38,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:15:38,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:15:38,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:15:38,544 INFO L87 Difference]: Start difference. First operand 29257 states and 43734 transitions. Second operand 10 states. [2020-10-14 10:15:39,561 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 10:15:39,682 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 10:15:39,880 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 10:15:40,064 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 10:15:45,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:15:45,787 INFO L93 Difference]: Finished difference Result 65869 states and 102691 transitions. [2020-10-14 10:15:45,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:15:45,788 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2020-10-14 10:15:45,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:15:45,942 INFO L225 Difference]: With dead ends: 65869 [2020-10-14 10:15:45,942 INFO L226 Difference]: Without dead ends: 36642 [2020-10-14 10:15:46,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:15:46,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36642 states. [2020-10-14 10:15:48,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36642 to 29557. [2020-10-14 10:15:48,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29557 states. [2020-10-14 10:15:49,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29557 states to 29557 states and 43974 transitions. [2020-10-14 10:15:49,038 INFO L78 Accepts]: Start accepts. Automaton has 29557 states and 43974 transitions. Word has length 161 [2020-10-14 10:15:49,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:15:49,038 INFO L479 AbstractCegarLoop]: Abstraction has 29557 states and 43974 transitions. [2020-10-14 10:15:49,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:15:49,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29557 states and 43974 transitions. [2020-10-14 10:15:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:15:49,041 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:15:49,041 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] [2020-10-14 10:15:49,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:15:49,042 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:15:49,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:15:49,042 INFO L82 PathProgramCache]: Analyzing trace with hash -569414982, now seen corresponding path program 1 times [2020-10-14 10:15:49,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:15:49,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858768820] [2020-10-14 10:15:49,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:15:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:50,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:51,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:52,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:54,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:54,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:15:54,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 10:15:54,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:15:54,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:54,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:15:54,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:15:54,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 10:15:54,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:54,187 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:15:54,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:54,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:54,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:54,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:54,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:54,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:15:54,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:54,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:54,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:54,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:54,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:15:54,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:54,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:15:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:54,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:54,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:54,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:54,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:54,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:54,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:54,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:54,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:54,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:54,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:15:54,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:54,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:15:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:54,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:54,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:54,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:15:54,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:54,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:54,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:54,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:54,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:15:54,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:54,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:15:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:54,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:54,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:54,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:15:54,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:54,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:15:54,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:54,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:54,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:15:54,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:54,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:15:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:54,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:54,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:54,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:15:54,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:54,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:15:54,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:54,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:54,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:15:54,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:54,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:15:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:54,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:54,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:54,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:54,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:15:55,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:15:55,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 682 [2020-10-14 10:15:55,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:55,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:15:55,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 10:15:55,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:55,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:55,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:55,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:55,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:55,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:55,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:15:55,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:55,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:55,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:55,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:55,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:55,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:55,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:55,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:55,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:55,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:55,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:55,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:55,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:55,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:55,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:55,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:15:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:55,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:55,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:55,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:55,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:55,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:15:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:55,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:55,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:55,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:55,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:55,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:55,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:15:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:15:55,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:15:55,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:15:55,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:55,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:15:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:55,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:55,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:55,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:55,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:55,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:55,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:55,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:55,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:55,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:55,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:55,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:55,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:15:55,158 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858768820] [2020-10-14 10:15:55,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:15:55,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:15:55,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982576948] [2020-10-14 10:15:55,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:15:55,160 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:15:55,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:15:55,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:15:55,161 INFO L87 Difference]: Start difference. First operand 29557 states and 43974 transitions. Second operand 9 states. [2020-10-14 10:15:55,293 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:16:07,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:07,054 INFO L93 Difference]: Finished difference Result 93520 states and 148239 transitions. [2020-10-14 10:16:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:16:07,054 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-10-14 10:16:07,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:07,277 INFO L225 Difference]: With dead ends: 93520 [2020-10-14 10:16:07,277 INFO L226 Difference]: Without dead ends: 63993 [2020-10-14 10:16:07,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:16:07,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63993 states. [2020-10-14 10:16:13,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63993 to 52589. [2020-10-14 10:16:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52589 states. [2020-10-14 10:16:14,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52589 states to 52589 states and 78723 transitions. [2020-10-14 10:16:14,106 INFO L78 Accepts]: Start accepts. Automaton has 52589 states and 78723 transitions. Word has length 161 [2020-10-14 10:16:14,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:14,106 INFO L479 AbstractCegarLoop]: Abstraction has 52589 states and 78723 transitions. [2020-10-14 10:16:14,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:16:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 52589 states and 78723 transitions. [2020-10-14 10:16:14,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 10:16:14,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:14,109 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] [2020-10-14 10:16:14,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:16:14,110 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:14,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:14,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1745965371, now seen corresponding path program 1 times [2020-10-14 10:16:14,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:14,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054811466] [2020-10-14 10:16:14,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:14,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:14,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:16,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-14 10:16:19,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-14 10:16:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 10:16:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:16:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:16:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 10:16:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,262 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:16:19,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:19,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:16:19,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:16:19,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:19,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:19,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:16:19,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:19,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:19,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:16:19,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:16:19,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:16:19,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 10:16:19,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:16:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:16:19,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:16:19,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 10:16:19,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:16:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:16:19,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:16:19,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-14 10:16:19,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:19,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-14 10:16:19,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:19,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:19,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:16:19,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:19,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:19,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:19,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:19,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:19,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:19,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:19,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:19,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:19,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:19,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:19,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:19,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:19,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:19,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:16:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:19,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:19,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:19,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:19,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:16:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:19,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:19,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:19,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:16:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:16:19,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 10:16:19,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:19,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:16:19,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:19,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:16:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:19,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:19,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:19,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:19,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:19,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:19,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:19,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:19,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 10:16:19,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054811466] [2020-10-14 10:16:19,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:16:19,748 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:16:19,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853498484] [2020-10-14 10:16:19,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:16:19,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:19,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:16:19,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:16:19,750 INFO L87 Difference]: Start difference. First operand 52589 states and 78723 transitions. Second operand 8 states. [2020-10-14 10:16:19,882 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:16:24,694 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 10:16:36,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:36,882 INFO L93 Difference]: Finished difference Result 174709 states and 272762 transitions. [2020-10-14 10:16:36,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:16:36,883 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-10-14 10:16:36,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:37,255 INFO L225 Difference]: With dead ends: 174709 [2020-10-14 10:16:37,256 INFO L226 Difference]: Without dead ends: 122150 [2020-10-14 10:16:37,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:16:37,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122150 states. [2020-10-14 10:16:48,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122150 to 99433. [2020-10-14 10:16:48,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99433 states. [2020-10-14 10:16:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99433 states to 99433 states and 148352 transitions. [2020-10-14 10:16:49,199 INFO L78 Accepts]: Start accepts. Automaton has 99433 states and 148352 transitions. Word has length 161 [2020-10-14 10:16:49,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:49,199 INFO L479 AbstractCegarLoop]: Abstraction has 99433 states and 148352 transitions. [2020-10-14 10:16:49,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:16:49,199 INFO L276 IsEmpty]: Start isEmpty. Operand 99433 states and 148352 transitions. [2020-10-14 10:16:49,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-14 10:16:49,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:49,259 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 10:16:49,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:16:49,259 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:49,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:49,260 INFO L82 PathProgramCache]: Analyzing trace with hash -684472108, now seen corresponding path program 1 times [2020-10-14 10:16:49,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:49,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [29082895] [2020-10-14 10:16:49,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:49,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 333 [2020-10-14 10:16:54,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 10:16:54,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5319 [2020-10-14 10:16:54,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-10-14 10:16:54,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:54,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:54,727 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 10:16:54,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:54,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:54,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:54,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:54,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:54,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:54,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 10:16:54,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:54,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-14 10:16:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:16:54,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:54,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-14 10:16:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:16:55,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:16:55,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-14 10:16:55,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:55,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:55,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:55,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:55,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:55,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:16:55,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:55,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:55,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:55,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:55,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:55,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:55,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:55,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:55,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:55,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:55,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:55,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:55,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:55,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:55,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:55,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:55,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:16:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:55,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:55,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:55,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:55,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:16:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:55,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:55,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 10:16:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 10:16:55,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:16:55,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 10:16:55,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-14 10:16:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:55,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:55,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:55,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:55,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:55,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:55,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-14 10:16:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:55,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:55,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:56,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:56,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:56,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 10:16:56,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:16:56,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1319 [2020-10-14 10:16:56,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:56,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:56,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:56,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 107 [2020-10-14 10:16:56,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:56,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:56,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-14 10:16:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:56,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:56,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:56,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:56,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:57,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-14 10:16:57,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:16:57,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 620 [2020-10-14 10:16:57,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:57,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:57,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:57,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:57,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:57,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:57,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-14 10:16:57,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:16:57,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 539 [2020-10-14 10:16:57,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:57,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:57,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:57,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:57,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:57,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:57,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:57,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:57,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:57,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:57,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:57,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:57,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:58,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:58,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:58,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:58,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:58,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:58,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:58,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:58,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:58,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:58,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:58,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:58,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:58,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:58,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:58,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:58,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:58,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:58,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:58,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:58,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:58,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:58,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:58,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:58,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:58,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:58,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:58,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:58,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:58,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:58,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:58,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:58,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:58,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:58,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:58,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:58,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:58,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:58,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:58,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:58,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:58,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:58,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:58,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:58,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:58,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:58,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:58,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:58,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:58,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:58,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:58,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:58,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:58,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:58,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:58,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:58,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:58,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:58,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:58,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:58,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:58,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:58,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:16:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:58,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:58,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:58,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:58,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:58,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:58,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:58,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:58,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:58,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:58,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:58,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-14 10:16:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:58,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:58,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:58,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:58,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:58,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:58,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:58,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:58,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:58,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:58,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-14 10:16:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:58,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:58,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:58,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:58,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:58,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:58,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:58,042 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:58,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:58,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:58,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:58,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2020-10-14 10:16:58,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [29082895] [2020-10-14 10:16:58,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 10:16:58,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 10:16:58,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132225172] [2020-10-14 10:16:58,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 10:16:58,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:58,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 10:16:58,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-14 10:16:58,089 INFO L87 Difference]: Start difference. First operand 99433 states and 148352 transitions. Second operand 11 states. [2020-10-14 10:16:59,098 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 10:16:59,230 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 10:16:59,371 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 10:16:59,505 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 133