/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 SingleStatement --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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 19:35:55,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 19:35:55,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 19:35:55,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 19:35:55,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 19:35:55,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 19:35:55,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 19:35:55,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 19:35:55,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 19:35:55,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 19:35:55,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 19:35:55,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 19:35:55,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 19:35:55,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 19:35:55,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 19:35:55,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 19:35:55,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 19:35:55,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 19:35:55,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 19:35:55,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 19:35:55,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 19:35:55,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 19:35:55,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 19:35:55,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 19:35:55,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 19:35:55,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 19:35:55,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 19:35:55,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 19:35:55,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 19:35:55,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 19:35:55,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 19:35:55,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 19:35:55,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 19:35:55,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 19:35:55,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 19:35:55,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 19:35:55,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 19:35:55,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 19:35:55,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 19:35:55,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 19:35:55,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 19:35:55,763 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 19:35:55,789 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 19:35:55,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 19:35:55,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 19:35:55,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 19:35:55,791 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 19:35:55,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 19:35:55,791 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 19:35:55,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 19:35:55,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 19:35:55,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 19:35:55,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 19:35:55,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 19:35:55,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 19:35:55,793 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 19:35:55,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 19:35:55,793 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 19:35:55,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 19:35:55,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 19:35:55,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 19:35:55,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 19:35:55,794 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 19:35:55,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:35:55,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 19:35:55,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 19:35:55,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 19:35:55,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 19:35:55,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 19:35:55,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 19:35:55,796 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 19:35:55,796 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 -> SingleStatement 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 19:35:56,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 19:35:56,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 19:35:56,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 19:35:56,294 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 19:35:56,294 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 19:35:56,295 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-09-24 19:35:56,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73064b615/ec576ea8173d4cc5af1c71a87ff32566/FLAGe2acf5775 [2020-09-24 19:35:56,967 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 19:35:56,967 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.02.cil-2.c [2020-09-24 19:35:56,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73064b615/ec576ea8173d4cc5af1c71a87ff32566/FLAGe2acf5775 [2020-09-24 19:35:57,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/73064b615/ec576ea8173d4cc5af1c71a87ff32566 [2020-09-24 19:35:57,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 19:35:57,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 19:35:57,329 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 19:35:57,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 19:35:57,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 19:35:57,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:35:57" (1/1) ... [2020-09-24 19:35:57,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a08774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57, skipping insertion in model container [2020-09-24 19:35:57,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 07:35:57" (1/1) ... [2020-09-24 19:35:57,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 19:35:57,422 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 19:35:57,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:35:57,736 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 19:35:57,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 19:35:57,902 INFO L208 MainTranslator]: Completed translation [2020-09-24 19:35:57,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57 WrapperNode [2020-09-24 19:35:57,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 19:35:57,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 19:35:57,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 19:35:57,904 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 19:35:57,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57" (1/1) ... [2020-09-24 19:35:57,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57" (1/1) ... [2020-09-24 19:35:57,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57" (1/1) ... [2020-09-24 19:35:57,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57" (1/1) ... [2020-09-24 19:35:57,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57" (1/1) ... [2020-09-24 19:35:57,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57" (1/1) ... [2020-09-24 19:35:57,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57" (1/1) ... [2020-09-24 19:35:57,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 19:35:57,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 19:35:57,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 19:35:57,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 19:35:57,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 19:35:58,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 19:35:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 19:35:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-24 19:35:58,042 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-24 19:35:58,042 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-24 19:35:58,042 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-24 19:35:58,042 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-24 19:35:58,042 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-24 19:35:58,043 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-24 19:35:58,043 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-24 19:35:58,043 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-24 19:35:58,043 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-24 19:35:58,043 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-24 19:35:58,043 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-24 19:35:58,044 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-24 19:35:58,044 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-24 19:35:58,044 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-24 19:35:58,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-24 19:35:58,045 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-24 19:35:58,045 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-24 19:35:58,045 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-24 19:35:58,046 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-24 19:35:58,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 19:35:58,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 19:35:58,047 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-24 19:35:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-24 19:35:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-24 19:35:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-24 19:35:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-24 19:35:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 19:35:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-24 19:35:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-24 19:35:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-24 19:35:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-24 19:35:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-24 19:35:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-24 19:35:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-24 19:35:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-24 19:35:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-24 19:35:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-24 19:35:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-24 19:35:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-24 19:35:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-24 19:35:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-24 19:35:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-24 19:35:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 19:35:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 19:35:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 19:35:58,739 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 19:35:58,739 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 19:35:58,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:35:58 BoogieIcfgContainer [2020-09-24 19:35:58,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 19:35:58,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 19:35:58,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 19:35:58,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 19:35:58,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 07:35:57" (1/3) ... [2020-09-24 19:35:58,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ac3620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:35:58, skipping insertion in model container [2020-09-24 19:35:58,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 07:35:57" (2/3) ... [2020-09-24 19:35:58,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ac3620 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 07:35:58, skipping insertion in model container [2020-09-24 19:35:58,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 07:35:58" (3/3) ... [2020-09-24 19:35:58,772 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.02.cil-2.c [2020-09-24 19:35:58,785 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 19:35:58,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 19:35:58,824 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 19:35:58,855 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 19:35:58,855 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 19:35:58,855 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 19:35:58,855 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 19:35:58,855 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 19:35:58,856 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 19:35:58,856 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 19:35:58,856 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 19:35:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-09-24 19:35:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-24 19:35:58,907 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:35:58,909 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] [2020-09-24 19:35:58,909 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:35:58,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:35:58,918 INFO L82 PathProgramCache]: Analyzing trace with hash 356343399, now seen corresponding path program 1 times [2020-09-24 19:35:58,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:35:58,930 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714044185] [2020-09-24 19:35:58,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:35:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:35:59,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:35:59,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-09-24 19:36:00,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:00,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-24 19:36:00,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 19:36:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 19:36:00,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-24 19:36:00,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 19:36:00,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:00,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:36:00,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:00,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:00,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:36:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:36:00,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:00,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:00,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-24 19:36:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:00,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:00,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:00,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:00,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:36:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:00,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:00,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:00,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:00,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 19:36:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:00,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:00,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:00,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:00,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 19:36:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:36:00,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:36:00,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:00,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:36:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:00,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:00,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:00,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:36:00,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:00,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:00,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:00,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:00,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:36:00,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:00,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:36:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:00,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:00,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:36:00,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:00,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-24 19:36:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:00,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:00,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:00,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 19:36:00,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:00,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:00,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:00,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:00,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:00,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 19:36:00,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:00,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:36:00,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 19:36:00,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714044185] [2020-09-24 19:36:00,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:36:00,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 19:36:00,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301634844] [2020-09-24 19:36:00,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 19:36:00,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:00,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 19:36:00,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-24 19:36:00,718 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 7 states. [2020-09-24 19:36:03,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:03,989 INFO L93 Difference]: Finished difference Result 1032 states and 1419 transitions. [2020-09-24 19:36:03,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 19:36:03,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 134 [2020-09-24 19:36:03,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:04,024 INFO L225 Difference]: With dead ends: 1032 [2020-09-24 19:36:04,024 INFO L226 Difference]: Without dead ends: 774 [2020-09-24 19:36:04,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-24 19:36:04,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-24 19:36:04,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 562. [2020-09-24 19:36:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2020-09-24 19:36:04,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 711 transitions. [2020-09-24 19:36:04,217 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 711 transitions. Word has length 134 [2020-09-24 19:36:04,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:04,221 INFO L479 AbstractCegarLoop]: Abstraction has 562 states and 711 transitions. [2020-09-24 19:36:04,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 19:36:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 711 transitions. [2020-09-24 19:36:04,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-24 19:36:04,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:04,240 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:04,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 19:36:04,245 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:04,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:04,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1876371016, now seen corresponding path program 1 times [2020-09-24 19:36:04,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:04,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140234608] [2020-09-24 19:36:04,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:04,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:04,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-09-24 19:36:05,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:36:05,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1016 [2020-09-24 19:36:05,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-09-24 19:36:05,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 19:36:05,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:05,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:05,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:36:05,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:36:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:36:05,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:05,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-24 19:36:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:05,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:05,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:36:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:05,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:05,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 19:36:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:05,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:05,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 19:36:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:36:05,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:05,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:05,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:05,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:05,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:05,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:36:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:05,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:05,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-24 19:36:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:05,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:05,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:05,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:05,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 19:36:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-09-24 19:36:05,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 19:36:05,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-24 19:36:05,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:36:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-24 19:36:05,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:05,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:36:05,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:05,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:05,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:05,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:05,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:05,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:05,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:36:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:05,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:05,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:05,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:05,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:05,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:05,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 19:36:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:05,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:05,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:05,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:05,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 19:36:05,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:36:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:05,849 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-09-24 19:36:05,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140234608] [2020-09-24 19:36:05,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:36:05,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 19:36:05,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647933918] [2020-09-24 19:36:05,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:36:05,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:05,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:36:05,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:36:05,853 INFO L87 Difference]: Start difference. First operand 562 states and 711 transitions. Second operand 9 states. [2020-09-24 19:36:09,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:09,911 INFO L93 Difference]: Finished difference Result 2088 states and 2801 transitions. [2020-09-24 19:36:09,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 19:36:09,913 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-09-24 19:36:09,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:09,933 INFO L225 Difference]: With dead ends: 2088 [2020-09-24 19:36:09,933 INFO L226 Difference]: Without dead ends: 1575 [2020-09-24 19:36:09,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2020-09-24 19:36:09,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2020-09-24 19:36:10,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1143. [2020-09-24 19:36:10,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2020-09-24 19:36:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1495 transitions. [2020-09-24 19:36:10,070 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1495 transitions. Word has length 213 [2020-09-24 19:36:10,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:10,071 INFO L479 AbstractCegarLoop]: Abstraction has 1143 states and 1495 transitions. [2020-09-24 19:36:10,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 19:36:10,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1495 transitions. [2020-09-24 19:36:10,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-09-24 19:36:10,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:10,084 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:10,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 19:36:10,085 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:10,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:10,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1783560722, now seen corresponding path program 1 times [2020-09-24 19:36:10,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:10,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [669980453] [2020-09-24 19:36:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:10,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:10,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:10,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:10,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:10,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:10,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 426 [2020-09-24 19:36:11,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 19:36:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1005 [2020-09-24 19:36:11,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:11,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-24 19:36:11,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 19:36:11,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:11,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:36:11,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:36:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:36:11,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:11,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-24 19:36:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:11,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:11,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:36:11,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:11,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:11,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 19:36:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:11,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:11,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 19:36:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:36:11,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:11,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:11,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:11,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:11,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:11,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:11,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:36:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:11,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:11,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-24 19:36:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:11,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:11,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:11,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:11,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 19:36:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-24 19:36:11,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:11,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-09-24 19:36:11,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 19:36:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-24 19:36:11,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:11,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:11,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 19:36:11,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-09-24 19:36:11,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 19:36:11,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 19:36:11,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-24 19:36:11,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 19:36:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:11,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:11,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:11,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:11,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 19:36:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:11,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:11,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:11,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:11,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:36:11,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 19:36:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:11,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:11,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:11,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:11,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:11,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:11,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:11,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-24 19:36:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:11,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:11,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-24 19:36:12,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:12,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-24 19:36:12,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-09-24 19:36:12,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:12,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:36:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:12,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:12,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 19:36:12,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:12,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 19:36:12,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:12,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 19:36:12,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:12,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:12,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:12,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:12,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:12,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:12,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:12,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:12,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:12,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 19:36:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:12,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:12,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:12,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:12,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-24 19:36:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 19:36:12,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:12,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 19:36:12,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-24 19:36:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:12,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 19:36:12,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:12,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 19:36:12,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:12,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-24 19:36:12,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:12,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 19:36:12,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:12,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:12,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:12,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:12,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:12,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:36:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:12,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:12,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:12,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:12,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:12,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:12,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:12,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:12,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:12,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-24 19:36:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:12,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:12,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:12,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:12,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:12,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:12,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:12,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:12,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:12,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 37 proven. 33 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2020-09-24 19:36:12,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [669980453] [2020-09-24 19:36:12,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:36:12,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 19:36:12,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842165742] [2020-09-24 19:36:12,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:12,512 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:12,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:12,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:12,513 INFO L87 Difference]: Start difference. First operand 1143 states and 1495 transitions. Second operand 10 states. [2020-09-24 19:36:16,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:16,880 INFO L93 Difference]: Finished difference Result 4313 states and 6098 transitions. [2020-09-24 19:36:16,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 19:36:16,881 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 351 [2020-09-24 19:36:16,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:16,905 INFO L225 Difference]: With dead ends: 4313 [2020-09-24 19:36:16,906 INFO L226 Difference]: Without dead ends: 3228 [2020-09-24 19:36:16,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2020-09-24 19:36:16,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3228 states. [2020-09-24 19:36:17,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3228 to 2240. [2020-09-24 19:36:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2240 states. [2020-09-24 19:36:17,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 2910 transitions. [2020-09-24 19:36:17,176 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 2910 transitions. Word has length 351 [2020-09-24 19:36:17,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:17,177 INFO L479 AbstractCegarLoop]: Abstraction has 2240 states and 2910 transitions. [2020-09-24 19:36:17,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:36:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 2910 transitions. [2020-09-24 19:36:17,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2020-09-24 19:36:17,192 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:17,192 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:17,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 19:36:17,193 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:17,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:17,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1654405826, now seen corresponding path program 1 times [2020-09-24 19:36:17,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:17,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057643950] [2020-09-24 19:36:17,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:17,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:17,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:17,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:17,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:17,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:17,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 426 [2020-09-24 19:36:18,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:36:18,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-09-24 19:36:18,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 19:36:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 19:36:18,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:18,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:36:18,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:36:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:36:18,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:18,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:18,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 19:36:18,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-24 19:36:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:18,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:18,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:18,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:36:18,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:36:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:18,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:36:18,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 19:36:18,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:36:18,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 19:36:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:18,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:18,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:36:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 19:36:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:36:18,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:36:18,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 19:36:18,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:18,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:18,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:36:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:18,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-24 19:36:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:18,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:18,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:36:18,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:18,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:18,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 19:36:18,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 19:36:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-24 19:36:18,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:36:18,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-24 19:36:18,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-09-24 19:36:18,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:18,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 19:36:18,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 19:36:18,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:18,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 19:36:18,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:18,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:18,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 19:36:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:18,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:18,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:18,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-24 19:36:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:18,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:18,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:18,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:18,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:18,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:18,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:18,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:18,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-09-24 19:36:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:18,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:18,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-24 19:36:19,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:19,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-24 19:36:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-09-24 19:36:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:36:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:19,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:19,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 19:36:19,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 19:36:19,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:19,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 19:36:19,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:19,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:19,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:19,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:19,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:19,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 19:36:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:19,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:19,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-24 19:36:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 19:36:19,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:19,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 19:36:19,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-09-24 19:36:19,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:19,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 19:36:19,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 19:36:19,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:19,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-24 19:36:19,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 19:36:19,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:19,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:19,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:19,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:19,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:36:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:19,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:19,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:19,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:19,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:19,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:19,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-24 19:36:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:19,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:19,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:19,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:19,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:19,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:19,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:19,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:19,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2020-09-24 19:36:19,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057643950] [2020-09-24 19:36:19,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:36:19,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:36:19,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118043550] [2020-09-24 19:36:19,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:19,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:19,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:19,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:19,516 INFO L87 Difference]: Start difference. First operand 2240 states and 2910 transitions. Second operand 10 states. [2020-09-24 19:36:22,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:22,285 INFO L93 Difference]: Finished difference Result 5217 states and 6834 transitions. [2020-09-24 19:36:22,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 19:36:22,290 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 351 [2020-09-24 19:36:22,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:22,308 INFO L225 Difference]: With dead ends: 5217 [2020-09-24 19:36:22,309 INFO L226 Difference]: Without dead ends: 3024 [2020-09-24 19:36:22,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=180, Invalid=470, Unknown=0, NotChecked=0, Total=650 [2020-09-24 19:36:22,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2020-09-24 19:36:22,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 2228. [2020-09-24 19:36:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2020-09-24 19:36:22,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2891 transitions. [2020-09-24 19:36:22,464 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2891 transitions. Word has length 351 [2020-09-24 19:36:22,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:22,465 INFO L479 AbstractCegarLoop]: Abstraction has 2228 states and 2891 transitions. [2020-09-24 19:36:22,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:36:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2891 transitions. [2020-09-24 19:36:22,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-09-24 19:36:22,474 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:22,475 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:22,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 19:36:22,475 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:22,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:22,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1960211095, now seen corresponding path program 1 times [2020-09-24 19:36:22,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:22,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405657516] [2020-09-24 19:36:22,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:22,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:22,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:22,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:22,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 336 [2020-09-24 19:36:23,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:36:23,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1013 [2020-09-24 19:36:23,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 19:36:23,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-09-24 19:36:23,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-24 19:36:23,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:23,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:36:23,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:23,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:36:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:36:23,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:23,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-24 19:36:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:23,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:23,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:36:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:23,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:23,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:23,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 19:36:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:23,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:23,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:23,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 19:36:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:36:23,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:23,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:23,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:23,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:36:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:23,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:23,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-24 19:36:23,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:23,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:23,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:23,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:23,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:23,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:23,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:23,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 19:36:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:23,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:23,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-24 19:36:23,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 190 [2020-09-24 19:36:23,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-24 19:36:23,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:23,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:36:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:23,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:24,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:24,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 19:36:24,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-24 19:36:24,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 19:36:24,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:24,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-24 19:36:24,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 19:36:24,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:24,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:24,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:24,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:24,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:24,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:36:24,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 19:36:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:24,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:24,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:36:24,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 19:36:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-24 19:36:24,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 19:36:24,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 19:36:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-24 19:36:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-24 19:36:24,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 19:36:24,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 19:36:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 19:36:24,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-24 19:36:24,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 19:36:24,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 19:36:24,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:24,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:24,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:24,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:24,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:36:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:24,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:24,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 19:36:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:24,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:24,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:24,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:24,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 19:36:24,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-24 19:36:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:24,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:24,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:24,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:24,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:24,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:24,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:24,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:24,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:24,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:24,577 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2020-09-24 19:36:24,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405657516] [2020-09-24 19:36:24,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:36:24,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:36:24,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276554533] [2020-09-24 19:36:24,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:24,579 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:24,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:24,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:24,580 INFO L87 Difference]: Start difference. First operand 2228 states and 2891 transitions. Second operand 10 states. [2020-09-24 19:36:28,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:28,893 INFO L93 Difference]: Finished difference Result 7802 states and 10798 transitions. [2020-09-24 19:36:28,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 19:36:28,894 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 275 [2020-09-24 19:36:28,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:28,926 INFO L225 Difference]: With dead ends: 7802 [2020-09-24 19:36:28,927 INFO L226 Difference]: Without dead ends: 5621 [2020-09-24 19:36:28,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2020-09-24 19:36:28,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5621 states. [2020-09-24 19:36:29,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5621 to 4245. [2020-09-24 19:36:29,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4245 states. [2020-09-24 19:36:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 4245 states and 5455 transitions. [2020-09-24 19:36:29,209 INFO L78 Accepts]: Start accepts. Automaton has 4245 states and 5455 transitions. Word has length 275 [2020-09-24 19:36:29,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:29,209 INFO L479 AbstractCegarLoop]: Abstraction has 4245 states and 5455 transitions. [2020-09-24 19:36:29,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:36:29,210 INFO L276 IsEmpty]: Start isEmpty. Operand 4245 states and 5455 transitions. [2020-09-24 19:36:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-09-24 19:36:29,227 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:29,228 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:29,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 19:36:29,228 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:29,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:29,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1433006615, now seen corresponding path program 1 times [2020-09-24 19:36:29,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:29,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299165722] [2020-09-24 19:36:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:29,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:29,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:29,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:29,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:29,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-09-24 19:36:30,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 19:36:30,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-24 19:36:30,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-09-24 19:36:30,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-24 19:36:30,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:30,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:36:30,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:36:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:36:30,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:30,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-24 19:36:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:30,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:30,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:36:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:30,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:30,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 19:36:30,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:30,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:30,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 19:36:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:36:30,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:30,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:30,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:30,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:36:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:30,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-24 19:36:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:30,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:30,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:30,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 19:36:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-24 19:36:30,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:30,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-24 19:36:30,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:36:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:30,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:30,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:36:30,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 19:36:30,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:30,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:36:30,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:30,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:30,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 19:36:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:30,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-09-24 19:36:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 19:36:30,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:36:30,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 19:36:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:30,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 19:36:30,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:30,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 19:36:30,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 19:36:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 19:36:30,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 19:36:30,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-24 19:36:30,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 19:36:30,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:36:30,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:36:30,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:36:30,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:30,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:30,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:36:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:30,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:30,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-24 19:36:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:30,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:30,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:30,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:30,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-09-24 19:36:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:30,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:30,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:30,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:30,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:30,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:30,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:30,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:30,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-09-24 19:36:31,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299165722] [2020-09-24 19:36:31,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:36:31,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 19:36:31,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271853206] [2020-09-24 19:36:31,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 19:36:31,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:31,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 19:36:31,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-24 19:36:31,004 INFO L87 Difference]: Start difference. First operand 4245 states and 5455 transitions. Second operand 9 states. [2020-09-24 19:36:34,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:34,516 INFO L93 Difference]: Finished difference Result 15280 states and 20881 transitions. [2020-09-24 19:36:34,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 19:36:34,517 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 305 [2020-09-24 19:36:34,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:34,583 INFO L225 Difference]: With dead ends: 15280 [2020-09-24 19:36:34,583 INFO L226 Difference]: Without dead ends: 11083 [2020-09-24 19:36:34,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2020-09-24 19:36:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11083 states. [2020-09-24 19:36:35,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11083 to 7959. [2020-09-24 19:36:35,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7959 states. [2020-09-24 19:36:35,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7959 states to 7959 states and 10555 transitions. [2020-09-24 19:36:35,266 INFO L78 Accepts]: Start accepts. Automaton has 7959 states and 10555 transitions. Word has length 305 [2020-09-24 19:36:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:35,267 INFO L479 AbstractCegarLoop]: Abstraction has 7959 states and 10555 transitions. [2020-09-24 19:36:35,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 19:36:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 7959 states and 10555 transitions. [2020-09-24 19:36:35,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-09-24 19:36:35,295 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:35,295 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:35,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 19:36:35,296 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:35,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:35,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1300234196, now seen corresponding path program 1 times [2020-09-24 19:36:35,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:35,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [592429257] [2020-09-24 19:36:35,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:35,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:35,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:35,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:35,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:35,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-09-24 19:36:36,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 19:36:36,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1029 [2020-09-24 19:36:36,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:36,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 240 [2020-09-24 19:36:36,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 19:36:36,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:36,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:36,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:36:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:36:36,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:36,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-24 19:36:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:36,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:36:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:36,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:36,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 19:36:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:36,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:36,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 19:36:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:36:36,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:36,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:36,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:36:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-24 19:36:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:36,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:36,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:36,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:36,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 19:36:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-24 19:36:36,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:36,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-09-24 19:36:36,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:36,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:36:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 19:36:36,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 19:36:36,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:36,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 19:36:36,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:36,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 19:36:36,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:36,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:36,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:36,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 19:36:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:36,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:36,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:36,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:36,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 19:36:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:36,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 19:36:36,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:36,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:36,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:36:36,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:36,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 19:36:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:36,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:36,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:36,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 19:36:36,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 19:36:36,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 19:36:36,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:36,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 19:36:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:36,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:36,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-24 19:36:37,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:37,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-24 19:36:37,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-24 19:36:37,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:37,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 19:36:37,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:37,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-24 19:36:37,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:37,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 19:36:37,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 19:36:37,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-09-24 19:36:37,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:37,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:37,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:37,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:36:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:37,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:37,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:37,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:37,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 19:36:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:37,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:37,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:37,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-09-24 19:36:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:37,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:37,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:37,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:37,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:37,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:37,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:37,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:37,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:37,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:37,452 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-09-24 19:36:37,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [592429257] [2020-09-24 19:36:37,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 19:36:37,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 19:36:37,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839308799] [2020-09-24 19:36:37,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:37,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:37,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:37,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:37,455 INFO L87 Difference]: Start difference. First operand 7959 states and 10555 transitions. Second operand 10 states. [2020-09-24 19:36:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 19:36:42,370 INFO L93 Difference]: Finished difference Result 27985 states and 39251 transitions. [2020-09-24 19:36:42,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-24 19:36:42,371 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 305 [2020-09-24 19:36:42,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 19:36:42,474 INFO L225 Difference]: With dead ends: 27985 [2020-09-24 19:36:42,474 INFO L226 Difference]: Without dead ends: 20079 [2020-09-24 19:36:42,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=284, Invalid=906, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 19:36:42,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20079 states. [2020-09-24 19:36:43,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20079 to 15401. [2020-09-24 19:36:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15401 states. [2020-09-24 19:36:43,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15401 states to 15401 states and 20784 transitions. [2020-09-24 19:36:43,578 INFO L78 Accepts]: Start accepts. Automaton has 15401 states and 20784 transitions. Word has length 305 [2020-09-24 19:36:43,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 19:36:43,579 INFO L479 AbstractCegarLoop]: Abstraction has 15401 states and 20784 transitions. [2020-09-24 19:36:43,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 19:36:43,579 INFO L276 IsEmpty]: Start isEmpty. Operand 15401 states and 20784 transitions. [2020-09-24 19:36:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-09-24 19:36:43,623 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 19:36:43,624 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 19:36:43,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 19:36:43,624 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 19:36:43,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 19:36:43,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1412928707, now seen corresponding path program 1 times [2020-09-24 19:36:43,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 19:36:43,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1089791398] [2020-09-24 19:36:43,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 19:36:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:43,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:43,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:43,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:43,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:43,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:43,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:44,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:44,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 373 [2020-09-24 19:36:44,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-24 19:36:44,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-09-24 19:36:44,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:44,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 19:36:44,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 19:36:44,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,336 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-09-24 19:36:45,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-09-24 19:36:45,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 19:36:45,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:45,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-24 19:36:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 19:36:45,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 19:36:45,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:45,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:36:45,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-24 19:36:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 19:36:45,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:45,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:45,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 19:36:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-24 19:36:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:45,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 19:36:45,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 19:36:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 19:36:45,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 19:36:45,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-24 19:36:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:45,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:45,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:36:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-09-24 19:36:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 19:36:45,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:45,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 19:36:45,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:45,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:45,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 19:36:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:45,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:45,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:45,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 19:36:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:45,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:45,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:45,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-09-24 19:36:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 19:36:45,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 19:36:45,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 19:36:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-09-24 19:36:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:45,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:45,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:45,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 19:36:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:45,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 19:36:45,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 19:36:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:45,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:45,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:45,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 19:36:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:45,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:45,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:45,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 19:36:45,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:36:45,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 438 [2020-09-24 19:36:45,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-09-24 19:36:45,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:45,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 19:36:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 19:36:46,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:36:46,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 456 [2020-09-24 19:36:46,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 19:36:46,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 19:36:46,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-09-24 19:36:46,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:46,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:46,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 19:36:46,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 19:36:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:46,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:46,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-09-24 19:36:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:46,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:46,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 19:36:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 19:36:46,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 19:36:46,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-09-24 19:36:46,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 19:36:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-24 19:36:46,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 19:36:46,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 19:36:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-24 19:36:46,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 19:36:46,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 19:36:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:46,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:46,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-24 19:36:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 19:36:46,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 19:36:46,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-09-24 19:36:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:46,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 19:36:46,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 19:36:46,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:46,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2020-09-24 19:36:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 19:36:46,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 19:36:46,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 19:36:46,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 19:36:46,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 19:36:46,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 19:36:46,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 19:36:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 19:36:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 19:36:46,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 19:36:46,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 19:36:47,011 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2020-09-24 19:36:47,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1089791398] [2020-09-24 19:36:47,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 19:36:47,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 19:36:47,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859136034] [2020-09-24 19:36:47,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 19:36:47,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 19:36:47,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 19:36:47,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-24 19:36:47,014 INFO L87 Difference]: Start difference. First operand 15401 states and 20784 transitions. Second operand 10 states.