/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.06.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 10:13:35,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 10:13:35,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 10:13:35,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 10:13:35,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 10:13:35,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 10:13:35,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 10:13:35,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 10:13:35,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 10:13:35,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 10:13:35,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 10:13:35,827 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 10:13:35,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 10:13:35,829 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 10:13:35,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 10:13:35,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 10:13:35,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 10:13:35,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 10:13:35,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 10:13:35,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 10:13:35,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 10:13:35,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 10:13:35,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 10:13:35,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 10:13:35,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 10:13:35,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 10:13:35,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 10:13:35,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 10:13:35,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 10:13:35,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 10:13:35,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 10:13:35,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 10:13:35,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 10:13:35,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 10:13:35,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 10:13:35,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 10:13:35,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 10:13:35,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 10:13:35,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 10:13:35,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 10:13:35,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 10:13:35,853 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 10:13:35,876 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 10:13:35,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 10:13:35,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 10:13:35,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 10:13:35,878 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 10:13:35,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 10:13:35,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 10:13:35,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 10:13:35,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 10:13:35,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 10:13:35,879 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 10:13:35,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 10:13:35,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 10:13:35,880 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 10:13:35,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 10:13:35,880 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 10:13:35,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 10:13:35,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 10:13:35,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 10:13:35,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 10:13:35,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 10:13:35,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 10:13:35,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 10:13:35,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 10:13:35,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 10:13:35,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 10:13:35,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 10:13:35,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 10:13:35,883 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 10:13:35,883 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 10:13:36,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 10:13:36,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 10:13:36,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 10:13:36,231 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 10:13:36,231 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 10:13:36,232 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.06.cil-2.c [2020-10-14 10:13:36,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/464ab050a/f7fbf0a877c244e2ab47f25e06a59882/FLAG5e53a0e24 [2020-10-14 10:13:36,800 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 10:13:36,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.06.cil-2.c [2020-10-14 10:13:36,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/464ab050a/f7fbf0a877c244e2ab47f25e06a59882/FLAG5e53a0e24 [2020-10-14 10:13:37,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/464ab050a/f7fbf0a877c244e2ab47f25e06a59882 [2020-10-14 10:13:37,113 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 10:13:37,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 10:13:37,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 10:13:37,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 10:13:37,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 10:13:37,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:37" (1/1) ... [2020-10-14 10:13:37,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6266eb80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37, skipping insertion in model container [2020-10-14 10:13:37,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:13:37" (1/1) ... [2020-10-14 10:13:37,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 10:13:37,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 10:13:37,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:13:37,571 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 10:13:37,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 10:13:37,770 INFO L208 MainTranslator]: Completed translation [2020-10-14 10:13:37,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37 WrapperNode [2020-10-14 10:13:37,771 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 10:13:37,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 10:13:37,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 10:13:37,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 10:13:37,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37" (1/1) ... [2020-10-14 10:13:37,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37" (1/1) ... [2020-10-14 10:13:37,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37" (1/1) ... [2020-10-14 10:13:37,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37" (1/1) ... [2020-10-14 10:13:37,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37" (1/1) ... [2020-10-14 10:13:37,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37" (1/1) ... [2020-10-14 10:13:37,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37" (1/1) ... [2020-10-14 10:13:37,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 10:13:37,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 10:13:37,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 10:13:37,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 10:13:37,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37" (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 10:13:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 10:13:37,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 10:13:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-14 10:13:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-14 10:13:37,919 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-14 10:13:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-14 10:13:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-14 10:13:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-14 10:13:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-14 10:13:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-14 10:13:37,922 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-14 10:13:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-14 10:13:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-14 10:13:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-14 10:13:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-14 10:13:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-14 10:13:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-14 10:13:37,923 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-14 10:13:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-14 10:13:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-14 10:13:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-14 10:13:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-14 10:13:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-14 10:13:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-14 10:13:37,924 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-14 10:13:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-14 10:13:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-14 10:13:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-14 10:13:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-14 10:13:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-14 10:13:37,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 10:13:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 10:13:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-14 10:13:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-14 10:13:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-14 10:13:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-14 10:13:37,926 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-14 10:13:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-14 10:13:37,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-14 10:13:37,928 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-14 10:13:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-14 10:13:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 10:13:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-14 10:13:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-14 10:13:37,929 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-14 10:13:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-14 10:13:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-14 10:13:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-14 10:13:37,930 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-14 10:13:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-14 10:13:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-14 10:13:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-14 10:13:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-14 10:13:37,931 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-14 10:13:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-14 10:13:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-14 10:13:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-14 10:13:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-14 10:13:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-14 10:13:37,932 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-14 10:13:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-14 10:13:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 10:13:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 10:13:37,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 10:13:38,807 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 10:13:38,808 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-14 10:13:38,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:13:38 BoogieIcfgContainer [2020-10-14 10:13:38,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 10:13:38,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 10:13:38,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 10:13:38,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 10:13:38,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:13:37" (1/3) ... [2020-10-14 10:13:38,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75106241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:13:38, skipping insertion in model container [2020-10-14 10:13:38,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:13:37" (2/3) ... [2020-10-14 10:13:38,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75106241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:13:38, skipping insertion in model container [2020-10-14 10:13:38,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:13:38" (3/3) ... [2020-10-14 10:13:38,835 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.06.cil-2.c [2020-10-14 10:13:38,845 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 10:13:38,854 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 10:13:38,868 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 10:13:38,892 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 10:13:38,892 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 10:13:38,892 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 10:13:38,892 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 10:13:38,893 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 10:13:38,893 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 10:13:38,893 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 10:13:38,893 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 10:13:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2020-10-14 10:13:38,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:13:38,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:13:38,937 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] [2020-10-14 10:13:38,938 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:13:38,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:13:38,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1758161547, now seen corresponding path program 1 times [2020-10-14 10:13:38,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:13:38,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994452017] [2020-10-14 10:13:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:13:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:39,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:39,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:39,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:39,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:40,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:44,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:13:44,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:13:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 10:13:44,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:44,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:13:44,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 10:13:44,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 10:13:44,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 10:13:44,441 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-14 10:13:44,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:13:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:44,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:44,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:44,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:44,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:13:44,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:44,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:44,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:44,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-14 10:13:44,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:13:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:44,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:44,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:13:44,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:44,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:13:44,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:44,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:44,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:44,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:44,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:44,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:13:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:44,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:44,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:13:44,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:44,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:44,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:44,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:44,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:44,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:13:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:44,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:44,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:13:44,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:44,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:13:44,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:44,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:44,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:44,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:44,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:44,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:13:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:44,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:44,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:13:44,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 10:13:44,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:44,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:44,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:13:44,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:13:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:44,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:44,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:13:47,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:13:47,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3095 [2020-10-14 10:13:47,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:13:47,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:47,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 10:13:47,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:47,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:13:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:47,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:47,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:47,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:47,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:47,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:47,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:47,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:47,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:13:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:47,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:47,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:47,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:47,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:13:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:47,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:47,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:47,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:47,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:47,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:47,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:47,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:47,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:13:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:47,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:47,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:47,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:47,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:47,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:47,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:47,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:47,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:13:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:47,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:47,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:47,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:47,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:47,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:47,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:47,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:47,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:13:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:47,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:47,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:47,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:47,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:47,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 10:13:47,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:13:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:47,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:13:47,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:47,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:47,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:13:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:47,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:13:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:47,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:13:47,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:47,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 10:13:47,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:13:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:13:47,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 10:13:47,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:47,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:13:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:47,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:47,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:13:47,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:13:47,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:13:47,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:13:47,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:13:47,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:13:47,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:13:47,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:13:47,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:13:47,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:13:48,022 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 10:13:48,023 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994452017] [2020-10-14 10:13:48,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:13:48,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:13:48,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218874060] [2020-10-14 10:13:48,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:13:48,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:13:48,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:13:48,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:13:48,050 INFO L87 Difference]: Start difference. First operand 294 states. Second operand 9 states. [2020-10-14 10:13:48,995 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 10:13:55,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:13:55,965 INFO L93 Difference]: Finished difference Result 1283 states and 2086 transitions. [2020-10-14 10:13:55,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 10:13:55,968 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-14 10:13:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:13:56,001 INFO L225 Difference]: With dead ends: 1283 [2020-10-14 10:13:56,002 INFO L226 Difference]: Without dead ends: 993 [2020-10-14 10:13:56,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=196, Invalid=560, Unknown=0, NotChecked=0, Total=756 [2020-10-14 10:13:56,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-10-14 10:13:56,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 724. [2020-10-14 10:13:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 724 states. [2020-10-14 10:13:56,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 1070 transitions. [2020-10-14 10:13:56,229 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 1070 transitions. Word has length 147 [2020-10-14 10:13:56,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:13:56,231 INFO L479 AbstractCegarLoop]: Abstraction has 724 states and 1070 transitions. [2020-10-14 10:13:56,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:13:56,231 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1070 transitions. [2020-10-14 10:13:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:13:56,238 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:13:56,238 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] [2020-10-14 10:13:56,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 10:13:56,239 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:13:56,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:13:56,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1483401933, now seen corresponding path program 1 times [2020-10-14 10:13:56,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:13:56,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1080067541] [2020-10-14 10:13:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:13:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:13:56,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:56,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:58,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:58,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:13:59,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:00,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:14:01,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 10:14:01,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-14 10:14:01,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:14:01,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-10-14 10:14:01,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-10-14 10:14:01,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,500 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-14 10:14:01,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:01,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:14:01,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:01,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:01,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:01,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:01,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:01,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:01,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:14:01,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:14:01,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:01,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:14:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:01,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:14:01,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 10:14:01,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:01,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:01,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 10:14:01,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:01,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:14:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:01,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:01,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:03,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:14:04,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:14:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2671 [2020-10-14 10:14:04,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:04,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:04,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-14 10:14:04,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:04,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:04,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:04,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:04,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:04,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:04,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:04,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:04,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:04,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:04,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:04,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:04,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:04,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:04,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:04,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:04,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:04,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:04,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:04,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:04,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:04,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:04,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:04,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:04,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:04,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:04,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:04,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:04,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:04,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:04,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:04,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:04,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:04,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:04,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:04,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:04,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:04,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:04,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:14:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:04,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:04,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:04,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:04,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:04,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:14:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:14:04,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:04,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 10:14:04,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:14:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 10:14:04,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 10:14:04,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:04,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:14:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:04,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:04,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:04,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:04,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:04,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:04,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:04,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:04,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:04,471 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 10:14:04,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1080067541] [2020-10-14 10:14:04,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:04,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:14:04,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080101780] [2020-10-14 10:14:04,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:14:04,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:04,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:14:04,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:14:04,475 INFO L87 Difference]: Start difference. First operand 724 states and 1070 transitions. Second operand 9 states. [2020-10-14 10:14:06,209 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 10:14:14,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:14,549 INFO L93 Difference]: Finished difference Result 3261 states and 5258 transitions. [2020-10-14 10:14:14,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-14 10:14:14,549 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-14 10:14:14,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:14,577 INFO L225 Difference]: With dead ends: 3261 [2020-10-14 10:14:14,577 INFO L226 Difference]: Without dead ends: 2565 [2020-10-14 10:14:14,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2020-10-14 10:14:14,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2020-10-14 10:14:14,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 1961. [2020-10-14 10:14:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1961 states. [2020-10-14 10:14:14,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2969 transitions. [2020-10-14 10:14:14,890 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2969 transitions. Word has length 147 [2020-10-14 10:14:14,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:14,891 INFO L479 AbstractCegarLoop]: Abstraction has 1961 states and 2969 transitions. [2020-10-14 10:14:14,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:14:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2969 transitions. [2020-10-14 10:14:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:14:14,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:14,897 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] [2020-10-14 10:14:14,897 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 10:14:14,898 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:14,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:14,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1617415439, now seen corresponding path program 1 times [2020-10-14 10:14:14,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:14,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225509474] [2020-10-14 10:14:14,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:14,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:14,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:15,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:15,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:17,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:19,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:19,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:19,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:14:19,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-14 10:14:19,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 10:14:19,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:19,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:14:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:14:19,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 10:14:19,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:20,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:20,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:20,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:20,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:20,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 10:14:20,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:20,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:14:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:20,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:20,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:20,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:20,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:20,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:20,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:20,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:14:20,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:20,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:20,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:20,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:20,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:20,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:20,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:20,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:20,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:14:20,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:20,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:20,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:20,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:14:20,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:20,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:14:20,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:20,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:20,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:20,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:20,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:14:20,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:20,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:14:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:20,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:20,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:14:20,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:20,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 10:14:20,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:20,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:20,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:20,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:14:20,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:20,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:14:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:20,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:20,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:14:22,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:14:22,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1908 [2020-10-14 10:14:22,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:22,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-14 10:14:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 10:14:22,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:22,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:22,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:22,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:22,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:22,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:22,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:22,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:22,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:22,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:22,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:22,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:22,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:22,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:22,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:22,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:22,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:22,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:22,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:22,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:22,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:22,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:22,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:22,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:22,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:22,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:22,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:22,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:22,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:22,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:22,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:22,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:22,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:22,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:22,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:22,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:22,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:22,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:22,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:22,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:22,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:22,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:22,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:22,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:22,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:14:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:22,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:22,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:22,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:22,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:22,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:22,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:14:22,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:22,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:14:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:22,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:14:22,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:14:22,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:14:22,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:22,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:22,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:14:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:22,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:22,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:22,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:22,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:22,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:22,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:22,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:22,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:22,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:22,193 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 10:14:22,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225509474] [2020-10-14 10:14:22,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:22,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:14:22,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463761109] [2020-10-14 10:14:22,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:14:22,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:22,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:14:22,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:14:22,196 INFO L87 Difference]: Start difference. First operand 1961 states and 2969 transitions. Second operand 8 states. [2020-10-14 10:14:28,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:28,659 INFO L93 Difference]: Finished difference Result 6438 states and 10020 transitions. [2020-10-14 10:14:28,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:14:28,660 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2020-10-14 10:14:28,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:28,690 INFO L225 Difference]: With dead ends: 6438 [2020-10-14 10:14:28,691 INFO L226 Difference]: Without dead ends: 4509 [2020-10-14 10:14:28,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:14:28,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2020-10-14 10:14:29,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 3567. [2020-10-14 10:14:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3567 states. [2020-10-14 10:14:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3567 states and 5305 transitions. [2020-10-14 10:14:29,141 INFO L78 Accepts]: Start accepts. Automaton has 3567 states and 5305 transitions. Word has length 147 [2020-10-14 10:14:29,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:29,142 INFO L479 AbstractCegarLoop]: Abstraction has 3567 states and 5305 transitions. [2020-10-14 10:14:29,142 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:14:29,142 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 5305 transitions. [2020-10-14 10:14:29,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:14:29,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:29,146 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] [2020-10-14 10:14:29,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 10:14:29,147 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:29,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:29,147 INFO L82 PathProgramCache]: Analyzing trace with hash -276026736, now seen corresponding path program 1 times [2020-10-14 10:14:29,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:29,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1320959792] [2020-10-14 10:14:29,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:29,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:34,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:34,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:14:34,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:14:34,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 10:14:34,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:34,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:34,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:14:34,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-14 10:14:34,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:14:34,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:34,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:34,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:34,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:34,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:34,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:14:34,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:34,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:34,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:34,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:34,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:34,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:34,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:34,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:34,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:34,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:34,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:34,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:34,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:34,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:34,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:34,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:34,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:14:34,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:34,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:34,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:34,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:34,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:34,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:34,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:14:34,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:34,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:14:34,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:34,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:34,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:34,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:34,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:14:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:34,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:34,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:34,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:14:34,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:34,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:14:34,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:34,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:34,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:14:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:34,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:34,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:34,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:35,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:14:37,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:14:37,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3129 [2020-10-14 10:14:37,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:14:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-14 10:14:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:14:37,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:37,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:37,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:37,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:37,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:37,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:37,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:37,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:37,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:37,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:37,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:37,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:37,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:37,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:37,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:37,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:37,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:37,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:37,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:37,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:37,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:37,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:37,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:37,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:37,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:37,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:37,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:37,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:37,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:37,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:37,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:37,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:37,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:14:37,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:14:37,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:37,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:14:37,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:37,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:14:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:37,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:37,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:37,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:14:37,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:37,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:14:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:14:37,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:37,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:14:37,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:14:37,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:37,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:37,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:14:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:37,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:37,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:37,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:37,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:37,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:37,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:37,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:37,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:37,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:37,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:37,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:37,723 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 10:14:37,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1320959792] [2020-10-14 10:14:37,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:37,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:14:37,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706944742] [2020-10-14 10:14:37,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:14:37,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:37,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:14:37,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:14:37,725 INFO L87 Difference]: Start difference. First operand 3567 states and 5305 transitions. Second operand 10 states. [2020-10-14 10:14:39,319 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 10:14:39,492 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 10:14:43,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:43,176 INFO L93 Difference]: Finished difference Result 8252 states and 12819 transitions. [2020-10-14 10:14:43,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:14:43,176 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-14 10:14:43,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:43,212 INFO L225 Difference]: With dead ends: 8252 [2020-10-14 10:14:43,213 INFO L226 Difference]: Without dead ends: 4714 [2020-10-14 10:14:43,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:14:43,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4714 states. [2020-10-14 10:14:43,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4714 to 3657. [2020-10-14 10:14:43,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3657 states. [2020-10-14 10:14:43,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 3657 states and 5395 transitions. [2020-10-14 10:14:43,675 INFO L78 Accepts]: Start accepts. Automaton has 3657 states and 5395 transitions. Word has length 147 [2020-10-14 10:14:43,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:14:43,675 INFO L479 AbstractCegarLoop]: Abstraction has 3657 states and 5395 transitions. [2020-10-14 10:14:43,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:14:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3657 states and 5395 transitions. [2020-10-14 10:14:43,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:14:43,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:14:43,681 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] [2020-10-14 10:14:43,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 10:14:43,682 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:14:43,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:14:43,682 INFO L82 PathProgramCache]: Analyzing trace with hash -757106994, now seen corresponding path program 1 times [2020-10-14 10:14:43,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:14:43,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498108391] [2020-10-14 10:14:43,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:14:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:43,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:43,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:45,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:45,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:45,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:46,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:48,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:48,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:14:48,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-14 10:14:48,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 10:14:48,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:48,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:14:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:14:48,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 10:14:48,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:48,859 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-14 10:14:48,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:14:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:48,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:48,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:48,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:48,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 10:14:48,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:48,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:48,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:48,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:48,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:14:48,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:48,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:14:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:48,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:48,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:48,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:14:48,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:14:48,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:48,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:48,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:48,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:48,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:14:48,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:48,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:14:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:48,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:48,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:48,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:14:48,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:48,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:48,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:48,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:48,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:48,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:14:48,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:48,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:14:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:48,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:48,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:48,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:14:48,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:48,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:14:48,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:48,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:48,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:14:48,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:49,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:14:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:49,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:49,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:49,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:14:49,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:49,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 10:14:49,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:49,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:49,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:49,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:49,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:14:49,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:14:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:49,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:49,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:49,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:49,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:14:50,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:14:50,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1447 [2020-10-14 10:14:50,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:50,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-14 10:14:50,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-14 10:14:50,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:50,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:14:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:50,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:50,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:50,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:50,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:50,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:50,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:14:50,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:50,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:50,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:50,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:50,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:50,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:50,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:14:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:50,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:50,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:50,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:50,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:50,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:50,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:50,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:50,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:14:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:50,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:50,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:50,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:14:50,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:14:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:50,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:14:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:50,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:50,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:50,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:50,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:50,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:50,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:50,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:50,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:14:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:50,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:50,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:50,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:50,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:14:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:50,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:14:50,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:50,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:14:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:14:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:14:50,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:14:50,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:14:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:50,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:14:50,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:50,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 10:14:50,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:50,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:14:50,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:50,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:50,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:14:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:14:50,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:14:50,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:14:50,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:14:50,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:14:50,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:14:50,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:14:50,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:14:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:14:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:14:50,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:14:50,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:14:50,720 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 10:14:50,720 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498108391] [2020-10-14 10:14:50,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:14:50,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:14:50,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067145184] [2020-10-14 10:14:50,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:14:50,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:14:50,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:14:50,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:14:50,722 INFO L87 Difference]: Start difference. First operand 3657 states and 5395 transitions. Second operand 8 states. [2020-10-14 10:14:53,124 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-14 10:14:59,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:14:59,162 INFO L93 Difference]: Finished difference Result 12694 states and 19562 transitions. [2020-10-14 10:14:59,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:14:59,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2020-10-14 10:14:59,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:14:59,217 INFO L225 Difference]: With dead ends: 12694 [2020-10-14 10:14:59,218 INFO L226 Difference]: Without dead ends: 9066 [2020-10-14 10:14:59,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:14:59,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9066 states. [2020-10-14 10:15:00,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9066 to 7216. [2020-10-14 10:15:00,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7216 states. [2020-10-14 10:15:00,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7216 states to 7216 states and 10648 transitions. [2020-10-14 10:15:00,178 INFO L78 Accepts]: Start accepts. Automaton has 7216 states and 10648 transitions. Word has length 147 [2020-10-14 10:15:00,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:15:00,179 INFO L479 AbstractCegarLoop]: Abstraction has 7216 states and 10648 transitions. [2020-10-14 10:15:00,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:15:00,179 INFO L276 IsEmpty]: Start isEmpty. Operand 7216 states and 10648 transitions. [2020-10-14 10:15:00,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:15:00,185 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:15:00,185 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] [2020-10-14 10:15:00,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 10:15:00,185 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:15:00,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:15:00,186 INFO L82 PathProgramCache]: Analyzing trace with hash 910012589, now seen corresponding path program 1 times [2020-10-14 10:15:00,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:15:00,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145194229] [2020-10-14 10:15:00,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:15:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:00,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:00,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:00,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:00,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:00,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:05,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:05,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:15:05,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:15:05,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:15:05,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:05,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:05,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:05,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 133 [2020-10-14 10:15:05,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:05,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:05,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:05,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:05,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:05,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:05,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:05,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:15:05,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:05,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:05,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:05,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:05,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:05,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:05,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:15:05,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:05,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:05,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:05,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:05,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:05,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:05,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:05,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:05,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:05,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:05,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:05,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:15:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:05,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:05,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:05,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:15:05,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:05,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:05,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:05,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:05,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:05,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:05,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:15:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:05,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:05,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:05,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:15:05,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:05,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:05,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:05,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:05,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:05,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:05,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:05,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:15:05,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:05,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:05,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:05,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:15:05,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:05,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:15:05,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:05,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:05,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:05,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:05,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:05,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:05,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:15:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:05,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:05,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:05,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:05,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:15:08,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:15:08,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3155 [2020-10-14 10:15:08,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-14 10:15:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:08,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:08,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:08,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:08,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:08,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:08,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:08,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:15:08,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:08,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:15:08,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:08,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:08,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:15:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:08,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:08,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:08,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:15:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:15:08,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:15:08,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:15:08,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:08,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:15:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:08,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:08,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:08,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:08,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:08,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:08,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:08,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:08,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:08,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:08,725 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 10:15:08,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1145194229] [2020-10-14 10:15:08,726 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:15:08,726 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:15:08,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148656416] [2020-10-14 10:15:08,727 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:15:08,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:15:08,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:15:08,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:15:08,728 INFO L87 Difference]: Start difference. First operand 7216 states and 10648 transitions. Second operand 10 states. [2020-10-14 10:15:09,843 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 10:15:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:15:13,770 INFO L93 Difference]: Finished difference Result 16842 states and 25960 transitions. [2020-10-14 10:15:13,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:15:13,770 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-14 10:15:13,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:15:13,833 INFO L225 Difference]: With dead ends: 16842 [2020-10-14 10:15:13,834 INFO L226 Difference]: Without dead ends: 9655 [2020-10-14 10:15:13,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 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 10:15:13,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9655 states. [2020-10-14 10:15:14,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9655 to 7396. [2020-10-14 10:15:14,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7396 states. [2020-10-14 10:15:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7396 states to 7396 states and 10828 transitions. [2020-10-14 10:15:14,618 INFO L78 Accepts]: Start accepts. Automaton has 7396 states and 10828 transitions. Word has length 147 [2020-10-14 10:15:14,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:15:14,618 INFO L479 AbstractCegarLoop]: Abstraction has 7396 states and 10828 transitions. [2020-10-14 10:15:14,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:15:14,618 INFO L276 IsEmpty]: Start isEmpty. Operand 7396 states and 10828 transitions. [2020-10-14 10:15:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:15:14,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:15:14,621 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] [2020-10-14 10:15:14,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 10:15:14,621 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:15:14,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:15:14,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1470712367, now seen corresponding path program 1 times [2020-10-14 10:15:14,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:15:14,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432251963] [2020-10-14 10:15:14,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:15:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:14,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:14,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:14,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:14,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:15,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:15,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:16,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:18,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:18,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:19,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:19,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:15:19,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-14 10:15:19,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:15:19,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:19,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:15:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:15:19,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 10:15:19,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:19,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:19,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:19,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:19,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:19,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:19,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:15:19,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:19,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:19,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:19,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:19,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:15:19,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:19,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:15:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:19,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:19,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:19,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:19,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:19,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:19,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:19,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:19,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:19,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:19,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:15:19,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:19,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:15:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:19,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:19,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:19,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:15:19,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:19,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:19,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:19,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:19,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:19,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:19,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:15:19,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:19,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:15:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:19,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:19,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:19,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:15:19,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:19,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:15:19,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:19,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:15:19,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:19,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:15:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:19,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:19,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:19,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:15:19,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:19,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 10:15:19,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:19,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:15:19,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:19,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:15:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:19,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:19,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:19,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:15:20,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:15:20,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 638 [2020-10-14 10:15:20,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 10:15:20,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-14 10:15:20,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:20,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:20,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:20,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:20,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:20,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:20,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:20,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:20,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:20,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:20,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:20,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:20,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:20,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:20,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:20,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:20,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:20,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:20,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:20,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:20,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:20,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:20,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:15:20,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:20,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:20,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:20,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:20,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:20,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:20,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:20,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:20,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:20,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:20,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:20,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:20,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:20,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:20,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:20,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:20,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:20,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:20,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:20,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:20,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:20,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:20,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:15:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:20,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:20,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:20,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:20,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:20,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:20,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:20,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:20,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:15:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:20,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:15:20,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:20,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:20,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:15:20,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:20,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:20,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:15:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:20,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:20,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:20,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:20,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:20,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:20,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:20,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:20,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:20,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:20,740 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 10:15:20,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432251963] [2020-10-14 10:15:20,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:15:20,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 10:15:20,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825775079] [2020-10-14 10:15:20,741 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 10:15:20,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:15:20,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 10:15:20,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 10:15:20,742 INFO L87 Difference]: Start difference. First operand 7396 states and 10828 transitions. Second operand 9 states. [2020-10-14 10:15:27,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:15:27,985 INFO L93 Difference]: Finished difference Result 25607 states and 39880 transitions. [2020-10-14 10:15:27,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:15:27,986 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 147 [2020-10-14 10:15:27,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:15:28,073 INFO L225 Difference]: With dead ends: 25607 [2020-10-14 10:15:28,073 INFO L226 Difference]: Without dead ends: 18240 [2020-10-14 10:15:28,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 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 10:15:28,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18240 states. [2020-10-14 10:15:29,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18240 to 14600. [2020-10-14 10:15:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14600 states. [2020-10-14 10:15:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14600 states to 14600 states and 21323 transitions. [2020-10-14 10:15:29,645 INFO L78 Accepts]: Start accepts. Automaton has 14600 states and 21323 transitions. Word has length 147 [2020-10-14 10:15:29,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:15:29,646 INFO L479 AbstractCegarLoop]: Abstraction has 14600 states and 21323 transitions. [2020-10-14 10:15:29,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 10:15:29,646 INFO L276 IsEmpty]: Start isEmpty. Operand 14600 states and 21323 transitions. [2020-10-14 10:15:29,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:15:29,650 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:15:29,650 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] [2020-10-14 10:15:29,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 10:15:29,650 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:15:29,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:15:29,651 INFO L82 PathProgramCache]: Analyzing trace with hash 70564656, now seen corresponding path program 1 times [2020-10-14 10:15:29,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:15:29,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534170564] [2020-10-14 10:15:29,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:15:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:29,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:29,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:29,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:29,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:29,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:34,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:34,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:15:34,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:15:34,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 10:15:34,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:34,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:34,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:34,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 10:15:34,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:34,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:34,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:34,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:34,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:34,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:34,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:34,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:34,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:34,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:34,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:34,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:34,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:15:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:34,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:34,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:34,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:34,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:34,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:34,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:34,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:34,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:15:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:34,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:34,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:34,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:15:34,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:34,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:34,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:34,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:34,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:34,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:15:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:34,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:34,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:34,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:15:34,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:34,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:34,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:34,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:34,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:34,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:34,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:15:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:34,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:34,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:34,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:15:34,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:34,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:34,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:34,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:34,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:34,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:34,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:34,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:15:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:34,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:34,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:34,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:35,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:15:36,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:15:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1223 [2020-10-14 10:15:36,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:15:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:15:36,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:36,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:15:36,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:15:36,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:36,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:15:36,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:36,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:36,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:36,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:36,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:36,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:36,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:36,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:36,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:36,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:36,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:36,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:36,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:36,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:36,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:36,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:36,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:36,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:36,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:36,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:15:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:36,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:36,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:15:36,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:15:36,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:15:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:15:36,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:15:36,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:15:36,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:15:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:36,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:36,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:36,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:36,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:36,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:36,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:36,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:36,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:36,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:36,263 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 10:15:36,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534170564] [2020-10-14 10:15:36,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:15:36,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:15:36,264 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845013973] [2020-10-14 10:15:36,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:15:36,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:15:36,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:15:36,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:15:36,265 INFO L87 Difference]: Start difference. First operand 14600 states and 21323 transitions. Second operand 10 states. [2020-10-14 10:15:41,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:15:41,798 INFO L93 Difference]: Finished difference Result 34680 states and 52989 transitions. [2020-10-14 10:15:41,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:15:41,799 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-14 10:15:41,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:15:41,880 INFO L225 Difference]: With dead ends: 34680 [2020-10-14 10:15:41,881 INFO L226 Difference]: Without dead ends: 20109 [2020-10-14 10:15:41,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2020-10-14 10:15:41,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20109 states. [2020-10-14 10:15:43,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20109 to 14960. [2020-10-14 10:15:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14960 states. [2020-10-14 10:15:43,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14960 states to 14960 states and 21683 transitions. [2020-10-14 10:15:43,279 INFO L78 Accepts]: Start accepts. Automaton has 14960 states and 21683 transitions. Word has length 147 [2020-10-14 10:15:43,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:15:43,279 INFO L479 AbstractCegarLoop]: Abstraction has 14960 states and 21683 transitions. [2020-10-14 10:15:43,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:15:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 14960 states and 21683 transitions. [2020-10-14 10:15:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:15:43,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:15:43,282 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] [2020-10-14 10:15:43,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 10:15:43,283 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:15:43,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:15:43,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1421949874, now seen corresponding path program 1 times [2020-10-14 10:15:43,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:15:43,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1421280872] [2020-10-14 10:15:43,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:15:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:43,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:43,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:43,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:43,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:44,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:45,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:45,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:48,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:48,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:15:48,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-14 10:15:48,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 10:15:48,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:48,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:15:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 10:15:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-14 10:15:48,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:48,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:15:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:48,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:48,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:48,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:48,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:48,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:15:48,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:48,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:48,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 10:15:48,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:48,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:15:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:48,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:48,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:48,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:15:48,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:48,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:15:48,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:48,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:48,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 10:15:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:48,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:15:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:48,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:48,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:48,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:15:48,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:48,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:48,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:48,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:48,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 10:15:48,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:48,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:15:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:48,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:48,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:48,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:15:48,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:48,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:48,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:48,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:48,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:48,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:48,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 10:15:48,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:48,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:15:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:48,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:48,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:48,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:15:48,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:48,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 10:15:48,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:48,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:48,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:48,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:15:48,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:48,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:15:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:48,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:48,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:48,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:48,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:15:49,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:15:49,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 516 [2020-10-14 10:15:49,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:15:49,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-14 10:15:49,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:15:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:49,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:49,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:15:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:49,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:49,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:49,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:15:49,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:15:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:49,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:49,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:49,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:49,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:15:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:49,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:49,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:49,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:15:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:49,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:49,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:49,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:49,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:49,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:49,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:15:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:49,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:49,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:49,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:49,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:15:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:15:49,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:15:49,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:15:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:15:49,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:15:49,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:15:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:15:49,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:15:49,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:15:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:15:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:49,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:49,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:15:49,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:15:49,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:15:49,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:15:49,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:15:49,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:15:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:15:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:15:49,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:15:49,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:15:49,117 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 10:15:49,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1421280872] [2020-10-14 10:15:49,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:15:49,118 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 10:15:49,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002241185] [2020-10-14 10:15:49,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 10:15:49,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:15:49,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 10:15:49,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-14 10:15:49,119 INFO L87 Difference]: Start difference. First operand 14960 states and 21683 transitions. Second operand 8 states. [2020-10-14 10:15:56,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:15:56,802 INFO L93 Difference]: Finished difference Result 51499 states and 78501 transitions. [2020-10-14 10:15:56,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:15:56,803 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2020-10-14 10:15:56,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:15:56,962 INFO L225 Difference]: With dead ends: 51499 [2020-10-14 10:15:56,962 INFO L226 Difference]: Without dead ends: 36568 [2020-10-14 10:15:57,025 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2020-10-14 10:15:57,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36568 states. [2020-10-14 10:15:59,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36568 to 29504. [2020-10-14 10:15:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29504 states. [2020-10-14 10:15:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29504 states to 29504 states and 42925 transitions. [2020-10-14 10:15:59,838 INFO L78 Accepts]: Start accepts. Automaton has 29504 states and 42925 transitions. Word has length 147 [2020-10-14 10:15:59,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:15:59,838 INFO L479 AbstractCegarLoop]: Abstraction has 29504 states and 42925 transitions. [2020-10-14 10:15:59,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 10:15:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 29504 states and 42925 transitions. [2020-10-14 10:15:59,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:15:59,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:15:59,841 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] [2020-10-14 10:15:59,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 10:15:59,841 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:15:59,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:15:59,842 INFO L82 PathProgramCache]: Analyzing trace with hash -204579887, now seen corresponding path program 1 times [2020-10-14 10:15:59,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:15:59,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406050033] [2020-10-14 10:15:59,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:15:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:15:59,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:59,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:59,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:59,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:15:59,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:04,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:04,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:16:04,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 10:16:04,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 10:16:04,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:04,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 10:16:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:04,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:04,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:04,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:04,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:04,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:04,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:04,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:04,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:04,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:04,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:04,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:04,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:04,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:04,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:04,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:04,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:04,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:04,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:04,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:04,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:04,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:04,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:04,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:04,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:04,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:04,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:04,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:04,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:05,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:05,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:05,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:05,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:05,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:05,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:05,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:05,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:05,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:05,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:16:05,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:05,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:05,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:05,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:05,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:05,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:05,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:16:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:05,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:05,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:05,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:16:05,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:05,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:05,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:05,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:05,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:05,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:05,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:05,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:05,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:16:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:05,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:05,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:05,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:05,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:16:06,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 10:16:06,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1514 [2020-10-14 10:16:06,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 10:16:06,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:06,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:06,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:06,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:06,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:06,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:06,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:06,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:06,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:06,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:06,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:06,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:06,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:06,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:06,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:06,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:06,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:06,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:06,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:06,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:06,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:06,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:06,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:06,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:06,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:06,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:06,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:06,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:06,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:06,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:06,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:06,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:06,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:06,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:16:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:06,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:06,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:06,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:06,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:16:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:16:06,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:16:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:06,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:16:06,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:06,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:06,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:06,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:16:06,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:06,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:16:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:06,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:06,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:06,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:06,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:06,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:06,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:06,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:06,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:06,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:06,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:06,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:06,700 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 10:16:06,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406050033] [2020-10-14 10:16:06,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:16:06,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:16:06,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481897298] [2020-10-14 10:16:06,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:16:06,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:06,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:16:06,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:16:06,703 INFO L87 Difference]: Start difference. First operand 29504 states and 42925 transitions. Second operand 10 states. [2020-10-14 10:16:07,927 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-14 10:16:08,381 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-14 10:16:13,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:13,484 INFO L93 Difference]: Finished difference Result 66176 states and 100434 transitions. [2020-10-14 10:16:13,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:16:13,484 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-14 10:16:13,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:13,634 INFO L225 Difference]: With dead ends: 66176 [2020-10-14 10:16:13,634 INFO L226 Difference]: Without dead ends: 36701 [2020-10-14 10:16:13,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:16:13,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36701 states. [2020-10-14 10:16:17,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36701 to 29624. [2020-10-14 10:16:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29624 states. [2020-10-14 10:16:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29624 states to 29624 states and 42925 transitions. [2020-10-14 10:16:18,023 INFO L78 Accepts]: Start accepts. Automaton has 29624 states and 42925 transitions. Word has length 147 [2020-10-14 10:16:18,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:18,023 INFO L479 AbstractCegarLoop]: Abstraction has 29624 states and 42925 transitions. [2020-10-14 10:16:18,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:16:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 29624 states and 42925 transitions. [2020-10-14 10:16:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:16:18,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:18,026 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] [2020-10-14 10:16:18,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 10:16:18,027 INFO L427 AbstractCegarLoop]: === Iteration 11 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:18,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:18,027 INFO L82 PathProgramCache]: Analyzing trace with hash 219066835, now seen corresponding path program 1 times [2020-10-14 10:16:18,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:18,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347004740] [2020-10-14 10:16:18,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:18,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:18,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:18,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:18,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:19,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:16:23,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-14 10:16:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 10:16:23,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 100 [2020-10-14 10:16:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:23,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:23,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:23,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:23,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:23,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:23,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:23,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:23,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:16:23,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:23,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:16:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:16:23,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:23,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:23,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:16:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:16:23,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 10:16:23,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 378 [2020-10-14 10:16:23,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-14 10:16:23,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:23,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:23,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:23,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:23,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:23,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:23,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:23,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:23,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:23,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:23,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:23,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:23,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:16:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:16:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:23,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:23,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:23,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:23,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:16:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:23,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:23,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:23,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:16:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:16:23,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:23,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:16:23,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:16:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:23,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:23,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:23,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:23,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:23,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:23,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:23,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:23,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:23,754 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 10:16:23,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347004740] [2020-10-14 10:16:23,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:16:23,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:16:23,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022121891] [2020-10-14 10:16:23,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:16:23,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:23,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:16:23,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:16:23,756 INFO L87 Difference]: Start difference. First operand 29624 states and 42925 transitions. Second operand 10 states. [2020-10-14 10:16:24,766 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-14 10:16:30,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:30,663 INFO L93 Difference]: Finished difference Result 67856 states and 102806 transitions. [2020-10-14 10:16:30,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:16:30,664 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-14 10:16:30,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:30,792 INFO L225 Difference]: With dead ends: 67856 [2020-10-14 10:16:30,792 INFO L226 Difference]: Without dead ends: 38261 [2020-10-14 10:16:30,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:16:30,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38261 states. [2020-10-14 10:16:33,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38261 to 29984. [2020-10-14 10:16:33,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29984 states. [2020-10-14 10:16:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29984 states to 29984 states and 43213 transitions. [2020-10-14 10:16:33,273 INFO L78 Accepts]: Start accepts. Automaton has 29984 states and 43213 transitions. Word has length 147 [2020-10-14 10:16:33,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:33,274 INFO L479 AbstractCegarLoop]: Abstraction has 29984 states and 43213 transitions. [2020-10-14 10:16:33,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:16:33,274 INFO L276 IsEmpty]: Start isEmpty. Operand 29984 states and 43213 transitions. [2020-10-14 10:16:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:16:33,276 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:33,276 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] [2020-10-14 10:16:33,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 10:16:33,277 INFO L427 AbstractCegarLoop]: === Iteration 12 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:33,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:33,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1173006993, now seen corresponding path program 1 times [2020-10-14 10:16:33,277 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:33,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155794340] [2020-10-14 10:16:33,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:33,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:33,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:16:38,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-14 10:16:38,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 10:16:38,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-14 10:16:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:38,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:38,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:38,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:38,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:38,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:38,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:38,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:38,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:16:38,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:38,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:38,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:16:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:16:38,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:38,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:38,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:16:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:16:38,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:16:38,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-10-14 10:16:38,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 10:16:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-14 10:16:38,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 10:16:38,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:38,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:38,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:38,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 10:16:38,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 10:16:38,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:38,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:16:38,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:38,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:38,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:38,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:38,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:38,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:38,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:38,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:38,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:38,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:38,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:38,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:38,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:16:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:38,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:38,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 10:16:38,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:16:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:16:38,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:38,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-14 10:16:38,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:16:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:38,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:38,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:38,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 10:16:38,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:38,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:38,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:38,662 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:38,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 10:16:38,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:38,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:38,677 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 10:16:38,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155794340] [2020-10-14 10:16:38,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:16:38,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 10:16:38,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138904952] [2020-10-14 10:16:38,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 10:16:38,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:38,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 10:16:38,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 10:16:38,679 INFO L87 Difference]: Start difference. First operand 29984 states and 43213 transitions. Second operand 10 states. [2020-10-14 10:16:46,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:16:46,717 INFO L93 Difference]: Finished difference Result 69224 states and 104318 transitions. [2020-10-14 10:16:46,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 10:16:46,717 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2020-10-14 10:16:46,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:16:46,862 INFO L225 Difference]: With dead ends: 69224 [2020-10-14 10:16:46,862 INFO L226 Difference]: Without dead ends: 39269 [2020-10-14 10:16:46,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-14 10:16:47,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39269 states. [2020-10-14 10:16:49,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39269 to 30344. [2020-10-14 10:16:49,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30344 states. [2020-10-14 10:16:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30344 states to 30344 states and 43501 transitions. [2020-10-14 10:16:49,396 INFO L78 Accepts]: Start accepts. Automaton has 30344 states and 43501 transitions. Word has length 147 [2020-10-14 10:16:49,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 10:16:49,396 INFO L479 AbstractCegarLoop]: Abstraction has 30344 states and 43501 transitions. [2020-10-14 10:16:49,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 10:16:49,396 INFO L276 IsEmpty]: Start isEmpty. Operand 30344 states and 43501 transitions. [2020-10-14 10:16:49,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-14 10:16:49,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 10:16:49,399 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] [2020-10-14 10:16:49,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 10:16:49,400 INFO L427 AbstractCegarLoop]: === Iteration 13 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 10:16:49,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 10:16:49,400 INFO L82 PathProgramCache]: Analyzing trace with hash -785567793, now seen corresponding path program 1 times [2020-10-14 10:16:49,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 10:16:49,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121914135] [2020-10-14 10:16:49,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 10:16:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:49,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:49,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:53,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:53,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-14 10:16:54,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-14 10:16:54,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-14 10:16:54,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 10:16:54,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-14 10:16:54,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 10:16:54,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 10:16:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:54,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 10:16:54,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 10:16:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 10:16:54,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:54,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 10:16:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 10:16:54,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 10:16:54,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-14 10:16:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 10:16:54,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:54,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 10:16:54,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-14 10:16:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:16:54,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 10:16:54,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 10:16:54,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 10:16:54,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 10:16:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-14 10:16:54,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 10:16:54,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 10:16:54,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 10:16:54,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 10:16:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:54,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:54,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:54,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 10:16:54,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 10:16:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:54,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:54,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:54,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-14 10:16:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:54,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:54,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:54,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:54,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-14 10:16:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:54,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:54,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:54,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 10:16:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:54,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:54,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:54,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:54,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-14 10:16:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 10:16:54,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:54,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:54,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-14 10:16:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [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: 1 [2020-10-14 10:16:54,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:54,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 10:16:54,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-14 10:16:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 10:16:54,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 10:16:54,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 10:16:54,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-14 10:16:54,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 10:16:54,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 10:16:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 10:16:54,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-14 10:16:54,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-14 10:16:54,756 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: 10 [2020-10-14 10:16:54,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 10:16:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 10:16:54,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 10:16:54,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 10:16:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [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: 7 [2020-10-14 10:16:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 10:16:54,778 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 10:16:54,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121914135] [2020-10-14 10:16:54,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 10:16:54,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 10:16:54,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935847877] [2020-10-14 10:16:54,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 10:16:54,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 10:16:54,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 10:16:54,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 10:16:54,780 INFO L87 Difference]: Start difference. First operand 30344 states and 43501 transitions. Second operand 7 states. [2020-10-14 10:17:05,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 10:17:05,199 INFO L93 Difference]: Finished difference Result 101672 states and 155744 transitions. [2020-10-14 10:17:05,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 10:17:05,199 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 147 [2020-10-14 10:17:05,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 10:17:05,424 INFO L225 Difference]: With dead ends: 101672 [2020-10-14 10:17:05,424 INFO L226 Difference]: Without dead ends: 71357 [2020-10-14 10:17:05,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-14 10:17:05,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71357 states.