/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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/transmitter.02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:45:49,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:45:49,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:45:49,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:45:49,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:45:49,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:45:49,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:45:49,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:45:49,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:45:49,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:45:49,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:45:49,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:45:49,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:45:49,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:45:49,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:45:49,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:45:49,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:45:49,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:45:49,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:45:49,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:45:49,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:45:49,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:45:49,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:45:49,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:45:49,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:45:49,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:45:49,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:45:49,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:45:49,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:45:49,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:45:49,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:45:49,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:45:49,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:45:49,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:45:49,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:45:49,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:45:49,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:45:49,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:45:49,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:45:49,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:45:49,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:45:49,848 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 [2020-09-25 05:45:49,874 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:45:49,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:45:49,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:45:49,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:45:49,876 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:45:49,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:45:49,876 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:45:49,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:45:49,877 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:45:49,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:45:49,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:45:49,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:45:49,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:45:49,877 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:45:49,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:45:49,878 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:45:49,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:45:49,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:45:49,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:45:49,879 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:45:49,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:45:49,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:45:49,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:45:49,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:45:49,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:45:49,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:45:49,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:45:49,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:45:49,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:45:49,881 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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:45:50,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:45:50,379 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:45:50,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:45:50,385 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:45:50,387 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:45:50,388 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-09-25 05:45:50,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4599963b8/df53490a81054ad1abc91cafcd5be094/FLAG9cdfa192f [2020-09-25 05:45:51,011 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:45:51,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.02.cil.c [2020-09-25 05:45:51,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4599963b8/df53490a81054ad1abc91cafcd5be094/FLAG9cdfa192f [2020-09-25 05:45:51,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4599963b8/df53490a81054ad1abc91cafcd5be094 [2020-09-25 05:45:51,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:45:51,369 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:45:51,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:45:51,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:45:51,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:45:51,378 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:45:51" (1/1) ... [2020-09-25 05:45:51,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd452c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51, skipping insertion in model container [2020-09-25 05:45:51,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:45:51" (1/1) ... [2020-09-25 05:45:51,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:45:51,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:45:51,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:45:51,711 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:45:51,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:45:51,780 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:45:51,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51 WrapperNode [2020-09-25 05:45:51,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:45:51,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:45:51,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:45:51,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:45:51,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51" (1/1) ... [2020-09-25 05:45:51,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51" (1/1) ... [2020-09-25 05:45:51,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51" (1/1) ... [2020-09-25 05:45:51,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51" (1/1) ... [2020-09-25 05:45:51,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51" (1/1) ... [2020-09-25 05:45:51,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51" (1/1) ... [2020-09-25 05:45:51,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51" (1/1) ... [2020-09-25 05:45:51,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:45:51,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:45:51,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:45:51,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:45:51,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51" (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 [2020-09-25 05:45:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:45:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:45:51,997 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 05:45:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 05:45:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 05:45:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-25 05:45:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 05:45:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 05:45:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-25 05:45:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 05:45:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 05:45:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 05:45:51,999 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 05:45:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 05:45:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 05:45:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 05:45:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 05:45:52,000 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 05:45:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 05:45:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 05:45:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 05:45:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 05:45:52,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:45:52,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:45:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:45:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 05:45:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 05:45:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 05:45:52,003 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-25 05:45:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 05:45:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 05:45:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 05:45:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-25 05:45:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 05:45:52,004 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 05:45:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 05:45:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 05:45:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 05:45:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 05:45:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 05:45:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 05:45:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 05:45:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 05:45:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 05:45:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 05:45:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:45:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:45:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:45:52,572 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:45:52,573 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-25 05:45:52,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:45:52 BoogieIcfgContainer [2020-09-25 05:45:52,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:45:52,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:45:52,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:45:52,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:45:52,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:45:51" (1/3) ... [2020-09-25 05:45:52,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fba71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:45:52, skipping insertion in model container [2020-09-25 05:45:52,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:51" (2/3) ... [2020-09-25 05:45:52,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fba71f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:45:52, skipping insertion in model container [2020-09-25 05:45:52,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:45:52" (3/3) ... [2020-09-25 05:45:52,590 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.02.cil.c [2020-09-25 05:45:52,602 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:45:52,613 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:45:52,636 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:45:52,670 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:45:52,670 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:45:52,671 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:45:52,671 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:45:52,671 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:45:52,671 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:45:52,671 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:45:52,672 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:45:52,702 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states. [2020-09-25 05:45:52,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-09-25 05:45:52,719 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:45:52,720 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] [2020-09-25 05:45:52,721 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:45:52,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:45:52,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1383476838, now seen corresponding path program 1 times [2020-09-25 05:45:52,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:45:52,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398373995] [2020-09-25 05:45:52,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:45:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:53,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:55,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:57,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:57,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-25 05:45:57,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:45:57,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 05:45:57,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:57,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:45:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:45:57,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:45:58,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:45:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:45:58,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 05:45:58,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:45:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:45:58,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:45:58,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:45:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:45:58,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:45:58,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,214 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:45:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:45:58,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:45:58,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:45:58,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 05:45:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:45:58,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:45:58,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 05:45:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:45:58,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:45:58,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,316 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:45:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:58,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:45:58,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:45:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:58,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:45:58,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:45:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:58,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:45:58,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:45:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:45:58,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:45:58,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:45:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:58,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:45:58,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:45:58,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:45:58,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398373995] [2020-09-25 05:45:58,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:45:58,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:45:58,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314448595] [2020-09-25 05:45:58,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:45:58,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:45:58,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:45:58,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:45:58,462 INFO L87 Difference]: Start difference. First operand 257 states. Second operand 7 states. [2020-09-25 05:46:01,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:01,282 INFO L93 Difference]: Finished difference Result 946 states and 1320 transitions. [2020-09-25 05:46:01,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 05:46:01,290 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-09-25 05:46:01,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:01,320 INFO L225 Difference]: With dead ends: 946 [2020-09-25 05:46:01,320 INFO L226 Difference]: Without dead ends: 707 [2020-09-25 05:46:01,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 05:46:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-09-25 05:46:01,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 472. [2020-09-25 05:46:01,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-09-25 05:46:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 597 transitions. [2020-09-25 05:46:01,472 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 597 transitions. Word has length 127 [2020-09-25 05:46:01,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:01,473 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 597 transitions. [2020-09-25 05:46:01,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:46:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 597 transitions. [2020-09-25 05:46:01,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-25 05:46:01,480 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:01,481 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:46:01,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:46:01,481 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:01,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:01,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1691024482, now seen corresponding path program 1 times [2020-09-25 05:46:01,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:01,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166500850] [2020-09-25 05:46:01,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:01,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:01,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:01,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:02,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:02,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-09-25 05:46:06,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:46:06,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 05:46:06,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 05:46:06,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 05:46:06,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:06,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:46:06,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:46:06,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:06,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:06,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:06,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:06,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:46:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:06,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:06,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:06,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:46:06,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:06,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:06,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:06,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:06,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:06,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:46:06,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:06,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:06,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:46:06,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 05:46:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:46:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:06,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 05:46:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:06,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:46:06,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:06,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:46:06,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:06,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:06,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 05:46:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:06,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:06,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 05:46:06,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:06,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:06,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:06,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:06,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:06,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:06,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:06,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:46:06,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:06,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:06,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:06,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:06,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:06,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:46:06,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:06,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:06,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:06,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:06,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:06,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:46:06,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:46:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:06,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:06,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:46:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:06,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:06,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:46:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:06,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:06,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:06,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:06,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:06,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:06,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:06,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:06,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:06,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:46:06,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:06,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:46:06,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166500850] [2020-09-25 05:46:06,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:06,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:46:06,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068249570] [2020-09-25 05:46:06,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:46:06,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:06,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:46:06,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:46:06,889 INFO L87 Difference]: Start difference. First operand 472 states and 597 transitions. Second operand 8 states. [2020-09-25 05:46:08,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:08,768 INFO L93 Difference]: Finished difference Result 1128 states and 1479 transitions. [2020-09-25 05:46:08,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 05:46:08,770 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 128 [2020-09-25 05:46:08,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:08,777 INFO L225 Difference]: With dead ends: 1128 [2020-09-25 05:46:08,778 INFO L226 Difference]: Without dead ends: 700 [2020-09-25 05:46:08,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 05:46:08,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2020-09-25 05:46:08,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 460. [2020-09-25 05:46:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2020-09-25 05:46:08,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 578 transitions. [2020-09-25 05:46:08,835 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 578 transitions. Word has length 128 [2020-09-25 05:46:08,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:08,836 INFO L479 AbstractCegarLoop]: Abstraction has 460 states and 578 transitions. [2020-09-25 05:46:08,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:46:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 578 transitions. [2020-09-25 05:46:08,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-25 05:46:08,839 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:08,839 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] [2020-09-25 05:46:08,839 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:46:08,839 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:08,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:08,840 INFO L82 PathProgramCache]: Analyzing trace with hash -2002481605, now seen corresponding path program 1 times [2020-09-25 05:46:08,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:08,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442617365] [2020-09-25 05:46:08,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:08,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:09,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:09,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:09,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-25 05:46:13,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:46:13,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4668 [2020-09-25 05:46:13,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:46:13,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-09-25 05:46:13,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-25 05:46:13,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:46:13,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:46:13,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:46:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:13,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:13,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:13,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:13,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:13,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:13,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:46:13,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:46:13,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 05:46:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:13,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:46:13,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:46:13,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 05:46:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:13,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:46:13,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:46:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 05:46:13,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-25 05:46:13,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:13,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:13,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:13,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:13,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:13,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:46:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:13,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:13,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:46:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:46:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:13,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:13,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:13,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:13,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:13,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:13,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:13,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:13,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:13,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:13,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:13,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:13,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:46:13,953 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442617365] [2020-09-25 05:46:13,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:13,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:46:13,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854581049] [2020-09-25 05:46:13,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:46:13,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:13,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:46:13,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:46:13,956 INFO L87 Difference]: Start difference. First operand 460 states and 578 transitions. Second operand 8 states. [2020-09-25 05:46:16,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:16,539 INFO L93 Difference]: Finished difference Result 1786 states and 2484 transitions. [2020-09-25 05:46:16,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 05:46:16,540 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-09-25 05:46:16,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:16,557 INFO L225 Difference]: With dead ends: 1786 [2020-09-25 05:46:16,557 INFO L226 Difference]: Without dead ends: 1371 [2020-09-25 05:46:16,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2020-09-25 05:46:16,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1371 states. [2020-09-25 05:46:16,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1371 to 891. [2020-09-25 05:46:16,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2020-09-25 05:46:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1164 transitions. [2020-09-25 05:46:16,663 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1164 transitions. Word has length 132 [2020-09-25 05:46:16,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:16,666 INFO L479 AbstractCegarLoop]: Abstraction has 891 states and 1164 transitions. [2020-09-25 05:46:16,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:46:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1164 transitions. [2020-09-25 05:46:16,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-25 05:46:16,668 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:16,669 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] [2020-09-25 05:46:16,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:46:16,669 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:16,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:16,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1560500581, now seen corresponding path program 1 times [2020-09-25 05:46:16,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:16,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906332774] [2020-09-25 05:46:16,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:17,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 167 [2020-09-25 05:46:18,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:46:18,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2063 [2020-09-25 05:46:18,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 05:46:18,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 05:46:18,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:18,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:46:18,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:46:18,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:18,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:46:18,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:18,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:46:18,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:46:18,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:18,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:18,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:18,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:18,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:18,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:46:18,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:18,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:18,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:18,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 05:46:18,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:46:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:18,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 05:46:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:18,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:18,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:46:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:18,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:18,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 05:46:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:18,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:46:18,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-25 05:46:18,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:18,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:18,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:18,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:18,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:18,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:18,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:18,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:18,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:18,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:18,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:18,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:18,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:18,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:18,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:18,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:18,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:18,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:46:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:18,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:18,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:46:18,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:18,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:18,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:46:18,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:18,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:18,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:18,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:18,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:18,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:18,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:18,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:18,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:18,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:18,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:46:18,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906332774] [2020-09-25 05:46:18,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:18,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:46:18,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593725671] [2020-09-25 05:46:18,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:46:18,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:18,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:46:18,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:46:18,985 INFO L87 Difference]: Start difference. First operand 891 states and 1164 transitions. Second operand 8 states. [2020-09-25 05:46:20,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:20,788 INFO L93 Difference]: Finished difference Result 2198 states and 3002 transitions. [2020-09-25 05:46:20,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 05:46:20,789 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 132 [2020-09-25 05:46:20,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:20,804 INFO L225 Difference]: With dead ends: 2198 [2020-09-25 05:46:20,804 INFO L226 Difference]: Without dead ends: 1350 [2020-09-25 05:46:20,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-25 05:46:20,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2020-09-25 05:46:20,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 882. [2020-09-25 05:46:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2020-09-25 05:46:20,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1148 transitions. [2020-09-25 05:46:20,913 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1148 transitions. Word has length 132 [2020-09-25 05:46:20,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:20,914 INFO L479 AbstractCegarLoop]: Abstraction has 882 states and 1148 transitions. [2020-09-25 05:46:20,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:46:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1148 transitions. [2020-09-25 05:46:20,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-25 05:46:20,917 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:20,918 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:46:20,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:46:20,919 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:20,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:20,919 INFO L82 PathProgramCache]: Analyzing trace with hash -215676582, now seen corresponding path program 1 times [2020-09-25 05:46:20,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:20,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [134459189] [2020-09-25 05:46:20,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:20,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:21,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:21,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-09-25 05:46:22,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:46:22,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1194 [2020-09-25 05:46:22,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:46:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-09-25 05:46:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-25 05:46:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:46:22,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:22,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:22,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:22,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:46:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:22,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:22,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:22,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:22,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:22,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:22,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:22,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:22,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:22,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:22,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 05:46:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:22,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:22,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:22,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 05:46:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:22,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:46:22,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 05:46:22,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:22,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:22,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:22,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:22,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:22,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:22,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:22,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:22,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:22,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:46:22,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:22,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:46:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:22,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:22,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:22,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:46:22,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:22,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:46:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:22,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:22,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:22,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:22,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:22,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:22,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:22,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:22,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:22,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:46:22,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [134459189] [2020-09-25 05:46:22,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:22,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:46:22,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292169893] [2020-09-25 05:46:22,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:46:22,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:22,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:46:22,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:46:22,431 INFO L87 Difference]: Start difference. First operand 882 states and 1148 transitions. Second operand 7 states. [2020-09-25 05:46:24,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:24,739 INFO L93 Difference]: Finished difference Result 3462 states and 5177 transitions. [2020-09-25 05:46:24,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 05:46:24,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 137 [2020-09-25 05:46:24,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:24,758 INFO L225 Difference]: With dead ends: 3462 [2020-09-25 05:46:24,759 INFO L226 Difference]: Without dead ends: 2623 [2020-09-25 05:46:24,766 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 05:46:24,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2020-09-25 05:46:24,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 1877. [2020-09-25 05:46:24,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-09-25 05:46:24,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 2584 transitions. [2020-09-25 05:46:24,907 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 2584 transitions. Word has length 137 [2020-09-25 05:46:24,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:24,908 INFO L479 AbstractCegarLoop]: Abstraction has 1877 states and 2584 transitions. [2020-09-25 05:46:24,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:46:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 2584 transitions. [2020-09-25 05:46:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 05:46:24,913 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:24,913 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:46:24,913 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:46:24,914 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:24,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:24,914 INFO L82 PathProgramCache]: Analyzing trace with hash -851834665, now seen corresponding path program 1 times [2020-09-25 05:46:24,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:24,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1948189530] [2020-09-25 05:46:24,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-25 05:46:25,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-09-25 05:46:25,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-25 05:46:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 05:46:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:25,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:46:25,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:46:25,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:46:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:25,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:25,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:25,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:25,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:25,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:25,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,228 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:25,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 05:46:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:25,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:25,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 05:46:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:25,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:46:25,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:25,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:25,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:46:25,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:25,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:25,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:25,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:25,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:46:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:25,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:25,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:46:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:25,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:25,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:25,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 05:46:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:25,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:46:25,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:46:25,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 05:46:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:25,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:25,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:25,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:25,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:25,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:25,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:25,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:25,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:25,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:25,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:25,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-25 05:46:25,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1948189530] [2020-09-25 05:46:25,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:25,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:46:25,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723201976] [2020-09-25 05:46:25,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:46:25,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:25,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:46:25,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:46:25,417 INFO L87 Difference]: Start difference. First operand 1877 states and 2584 transitions. Second operand 8 states. [2020-09-25 05:46:28,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:28,598 INFO L93 Difference]: Finished difference Result 7424 states and 12162 transitions. [2020-09-25 05:46:28,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 05:46:28,598 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2020-09-25 05:46:28,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:28,642 INFO L225 Difference]: With dead ends: 7424 [2020-09-25 05:46:28,642 INFO L226 Difference]: Without dead ends: 5591 [2020-09-25 05:46:28,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2020-09-25 05:46:28,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5591 states. [2020-09-25 05:46:29,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5591 to 4246. [2020-09-25 05:46:29,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4246 states. [2020-09-25 05:46:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4246 states to 4246 states and 6487 transitions. [2020-09-25 05:46:29,064 INFO L78 Accepts]: Start accepts. Automaton has 4246 states and 6487 transitions. Word has length 175 [2020-09-25 05:46:29,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:29,064 INFO L479 AbstractCegarLoop]: Abstraction has 4246 states and 6487 transitions. [2020-09-25 05:46:29,065 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:46:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 4246 states and 6487 transitions. [2020-09-25 05:46:29,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-09-25 05:46:29,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:29,087 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:46:29,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 05:46:29,088 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:29,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:29,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1305762809, now seen corresponding path program 1 times [2020-09-25 05:46:29,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:29,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211381186] [2020-09-25 05:46:29,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:29,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:29,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:29,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:29,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:29,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-09-25 05:46:34,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:46:34,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:46:34,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-25 05:46:34,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 05:46:34,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 05:46:34,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:46:34,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 05:46:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:46:34,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:46:34,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:34,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-25 05:46:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:46:34,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:46:34,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-25 05:46:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:34,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:46:34,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-25 05:46:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 05:46:34,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:34,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 05:46:34,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 05:46:34,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:46:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:34,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:34,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:46:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 05:46:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 05:46:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 05:46:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-09-25 05:46:34,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-25 05:46:34,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:46:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 05:46:34,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 05:46:34,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-25 05:46:34,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 05:46:34,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-25 05:46:34,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-25 05:46:34,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:34,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 05:46:34,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 05:46:34,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:34,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 05:46:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:34,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:34,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:34,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:34,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:34,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:46:34,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:34,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 05:46:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:34,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:34,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:34,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:34,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:34,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:46:34,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:34,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:46:34,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2020-09-25 05:46:35,030 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211381186] [2020-09-25 05:46:35,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:35,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:46:35,031 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374190013] [2020-09-25 05:46:35,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:46:35,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:35,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:46:35,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:46:35,033 INFO L87 Difference]: Start difference. First operand 4246 states and 6487 transitions. Second operand 10 states.