/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/token_ring.01.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:45:48,291 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:45:48,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:45:48,342 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:45:48,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:45:48,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:45:48,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:45:48,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:45:48,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:45:48,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:45:48,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:45:48,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:45:48,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:45:48,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:45:48,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:45:48,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:45:48,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:45:48,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:45:48,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:45:48,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:45:48,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:45:48,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:45:48,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:45:48,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:45:48,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:45:48,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:45:48,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:45:48,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:45:48,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:45:48,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:45:48,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:45:48,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:45:48,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:45:48,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:45:48,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:45:48,426 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:45:48,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:45:48,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:45:48,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:45:48,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:45:48,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:45:48,432 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 05:45:48,479 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:45:48,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:45:48,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:45:48,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:45:48,482 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:45:48,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:45:48,483 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:45:48,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:45:48,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:45:48,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:45:48,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:45:48,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:45:48,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:45:48,485 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:45:48,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:45:48,485 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:45:48,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:45:48,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:45:48,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:45:48,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:45:48,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:45:48,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:45:48,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:45:48,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:45:48,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:45:48,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:45:48,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:45:48,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:45:48,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:45:48,488 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 05:45:48,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:45:48,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:45:48,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:45:48,966 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:45:48,966 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:45:48,967 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-09-25 05:45:49,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d771dab94/c954eaba22564b0a89bdc3937db007bf/FLAGbe5872e30 [2020-09-25 05:45:49,654 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:45:49,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.01.cil-2.c [2020-09-25 05:45:49,666 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d771dab94/c954eaba22564b0a89bdc3937db007bf/FLAGbe5872e30 [2020-09-25 05:45:49,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d771dab94/c954eaba22564b0a89bdc3937db007bf [2020-09-25 05:45:50,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:45:50,015 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:45:50,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:45:50,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:45:50,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:45:50,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:45:49" (1/1) ... [2020-09-25 05:45:50,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240fc400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50, skipping insertion in model container [2020-09-25 05:45:50,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:45:49" (1/1) ... [2020-09-25 05:45:50,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:45:50,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:45:50,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:45:50,386 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:45:50,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:45:50,577 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:45:50,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50 WrapperNode [2020-09-25 05:45:50,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:45:50,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:45:50,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:45:50,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:45:50,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (1/1) ... [2020-09-25 05:45:50,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:45:50,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:45:50,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:45:50,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:45:50,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (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 05:45:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:45:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:45:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 05:45:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 05:45:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 05:45:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 05:45:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 05:45:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 05:45:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 05:45:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 05:45:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 05:45:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 05:45:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 05:45:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 05:45:50,729 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 05:45:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 05:45:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 05:45:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 05:45:50,730 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 05:45:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 05:45:50,731 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:45:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:45:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 05:45:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 05:45:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 05:45:50,731 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 05:45:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:45:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 05:45:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 05:45:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 05:45:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 05:45:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 05:45:50,732 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 05:45:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 05:45:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 05:45:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 05:45:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 05:45:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 05:45:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 05:45:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 05:45:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 05:45:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:45:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:45:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:45:51,445 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:45:51,446 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 05:45:51,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:45:51 BoogieIcfgContainer [2020-09-25 05:45:51,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:45:51,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:45:51,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:45:51,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:45:51,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:45:49" (1/3) ... [2020-09-25 05:45:51,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b86321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:45:51, skipping insertion in model container [2020-09-25 05:45:51,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:45:50" (2/3) ... [2020-09-25 05:45:51,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b86321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:45:51, skipping insertion in model container [2020-09-25 05:45:51,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:45:51" (3/3) ... [2020-09-25 05:45:51,463 INFO L109 eAbstractionObserver]: Analyzing ICFG token_ring.01.cil-2.c [2020-09-25 05:45:51,476 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:45:51,488 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:45:51,508 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:45:51,537 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:45:51,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:45:51,537 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:45:51,538 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:45:51,538 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:45:51,538 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:45:51,538 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:45:51,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:45:51,568 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-09-25 05:45:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-09-25 05:45:51,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:45:51,585 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] [2020-09-25 05:45:51,586 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:45:51,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:45:51,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1293744950, now seen corresponding path program 1 times [2020-09-25 05:45:51,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:45:51,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291770990] [2020-09-25 05:45:51,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:45:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:51,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:52,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:53,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-25 05:45:53,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:45:53,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1684 [2020-09-25 05:45:53,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:53,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:53,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:45:53,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 70 [2020-09-25 05:45:53,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 05:45:53,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 05:45:53,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:45:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:53,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:53,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:45:53,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:53,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 05:45:53,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:53,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:53,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:53,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:53,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:53,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 05:45:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:53,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:53,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:45:53,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:45:53,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:53,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:53,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:53,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:45:53,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:45:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:53,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:53,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:45:53,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:45:53,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:53,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:53,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:53,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 05:45:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:45:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:53,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:53,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:53,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:53,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:45:53,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:53,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:53,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:53,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:53,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 05:45:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:45:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:53,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:53,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:53,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:53,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:45:53,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:53,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:53,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:53,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:53,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:53,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:53,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 05:45:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:53,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:53,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:45:53,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:53,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:45:53,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:53,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:53,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:45:53,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:53,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:45:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:53,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:53,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:53,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:53,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:53,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:45:53,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:53,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:53,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:53,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:53,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:45:53,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:53,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:45:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:53,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:54,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:54,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:45:54,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:54,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:45:54,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 05:45:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:54,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:54,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:54,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:45:54,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:54,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:45:54,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:54,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:45:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:54,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:54,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:54,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:54,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:45:54,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:54,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:54,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:45:54,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:54,097 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 05:45:54,099 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291770990] [2020-09-25 05:45:54,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:45:54,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:45:54,102 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325717118] [2020-09-25 05:45:54,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:45:54,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:45:54,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:45:54,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:45:54,131 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 7 states. [2020-09-25 05:45:56,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:45:56,456 INFO L93 Difference]: Finished difference Result 795 states and 1083 transitions. [2020-09-25 05:45:56,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 05:45:56,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 110 [2020-09-25 05:45:56,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:45:56,483 INFO L225 Difference]: With dead ends: 795 [2020-09-25 05:45:56,483 INFO L226 Difference]: Without dead ends: 585 [2020-09-25 05:45:56,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-25 05:45:56,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-09-25 05:45:56,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 431. [2020-09-25 05:45:56,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-09-25 05:45:56,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 538 transitions. [2020-09-25 05:45:56,619 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 538 transitions. Word has length 110 [2020-09-25 05:45:56,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:45:56,620 INFO L479 AbstractCegarLoop]: Abstraction has 431 states and 538 transitions. [2020-09-25 05:45:56,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:45:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 538 transitions. [2020-09-25 05:45:56,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-09-25 05:45:56,629 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:45:56,629 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:45:56,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:45:56,630 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:45:56,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:45:56,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1206698500, now seen corresponding path program 1 times [2020-09-25 05:45:56,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:45:56,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332758308] [2020-09-25 05:45:56,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:45:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:56,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:56,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:57,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-09-25 05:45:58,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:45:58,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2116 [2020-09-25 05:45:58,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 183 [2020-09-25 05:45:58,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 05:45:58,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:45:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:45:58,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:45:58,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 05:45:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:45:58,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:45:58,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:45:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:45:58,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:45:58,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:45:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:58,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:45:58,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:45:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:58,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:58,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:58,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:58,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:58,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:45:58,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:58,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:58,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:58,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:58,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:58,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 05:45:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:45:59,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:45:59,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:59,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:59,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:45:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:59,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:45:59,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,013 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:59,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:45:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:59,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:45:59,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 05:45:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:59,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:45:59,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:59,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:45:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:59,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:45:59,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:59,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 05:45:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 05:45:59,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-25 05:45:59,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:59,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-09-25 05:45:59,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:45:59,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:45:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 05:45:59,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:45:59,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:59,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:45:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:45:59,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:45:59,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:59,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:59,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:45:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:59,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:45:59,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:59,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:59,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:45:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:59,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:45:59,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:45:59,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:45:59,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:45:59,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 05:45:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:45:59,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:45:59,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:45:59,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:45:59,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:45:59,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:45:59,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:45:59,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:45:59,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:45:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:45:59,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:45:59,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:45:59,203 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-09-25 05:45:59,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332758308] [2020-09-25 05:45:59,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:45:59,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 05:45:59,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307626395] [2020-09-25 05:45:59,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 05:45:59,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:45:59,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 05:45:59,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 05:45:59,208 INFO L87 Difference]: Start difference. First operand 431 states and 538 transitions. Second operand 8 states. [2020-09-25 05:46:02,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:02,179 INFO L93 Difference]: Finished difference Result 1449 states and 1945 transitions. [2020-09-25 05:46:02,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 05:46:02,182 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-09-25 05:46:02,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:02,200 INFO L225 Difference]: With dead ends: 1449 [2020-09-25 05:46:02,200 INFO L226 Difference]: Without dead ends: 1058 [2020-09-25 05:46:02,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2020-09-25 05:46:02,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2020-09-25 05:46:02,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 781. [2020-09-25 05:46:02,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2020-09-25 05:46:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1014 transitions. [2020-09-25 05:46:02,329 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1014 transitions. Word has length 176 [2020-09-25 05:46:02,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:02,330 INFO L479 AbstractCegarLoop]: Abstraction has 781 states and 1014 transitions. [2020-09-25 05:46:02,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 05:46:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1014 transitions. [2020-09-25 05:46:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2020-09-25 05:46:02,347 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:02,348 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-25 05:46:02,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:46:02,348 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:02,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:02,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1527598382, now seen corresponding path program 1 times [2020-09-25 05:46:02,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:02,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975891521] [2020-09-25 05:46:02,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:02,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:02,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:02,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:03,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:04,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:05,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-09-25 05:46:07,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:46:07,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 05:46:07,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,397 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-25 05:46:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 05:46:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:07,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:46:07,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:46:07,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 05:46:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:46:07,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:07,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:46:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:07,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:07,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:07,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:46:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 05:46:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:46:07,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:07,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:07,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:46:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:07,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 05:46:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:07,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:46:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:07,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 19 [2020-09-25 05:46:07,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 05:46:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 05:46:07,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 05:46:07,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:46:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 05:46:07,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:07,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:46:07,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:07,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:07,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:46:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:07,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 05:46:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 05:46:07,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 05:46:07,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 05:46:07,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 05:46:07,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:46:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 05:46:07,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 05:46:07,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 05:46:07,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 05:46:07,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 05:46:07,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:46:07,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,867 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 05:46:07,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:07,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:07,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 05:46:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:07,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:07,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:07,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:46:07,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:07,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 05:46:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:07,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:07,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:07,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:07,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:07,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:07,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:07,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:07,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:07,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:07,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:07,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-09-25 05:46:07,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975891521] [2020-09-25 05:46:07,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:07,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:46:07,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635571902] [2020-09-25 05:46:07,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:46:07,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:07,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:46:07,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:46:07,949 INFO L87 Difference]: Start difference. First operand 781 states and 1014 transitions. Second operand 10 states. [2020-09-25 05:46:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:10,747 INFO L93 Difference]: Finished difference Result 2708 states and 3811 transitions. [2020-09-25 05:46:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 05:46:10,748 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 225 [2020-09-25 05:46:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:10,773 INFO L225 Difference]: With dead ends: 2708 [2020-09-25 05:46:10,773 INFO L226 Difference]: Without dead ends: 1973 [2020-09-25 05:46:10,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2020-09-25 05:46:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1973 states. [2020-09-25 05:46:10,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1973 to 1437. [2020-09-25 05:46:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1437 states. [2020-09-25 05:46:10,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1830 transitions. [2020-09-25 05:46:10,938 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1830 transitions. Word has length 225 [2020-09-25 05:46:10,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:10,940 INFO L479 AbstractCegarLoop]: Abstraction has 1437 states and 1830 transitions. [2020-09-25 05:46:10,940 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:46:10,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1830 transitions. [2020-09-25 05:46:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 05:46:10,951 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:10,951 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:46:10,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:46:10,952 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:10,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:10,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1453934466, now seen corresponding path program 1 times [2020-09-25 05:46:10,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:10,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765416636] [2020-09-25 05:46:10,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:11,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:11,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:11,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:11,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:12,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:15,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:15,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 05:46:15,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:46:15,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 05:46:15,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:15,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 181 [2020-09-25 05:46:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 05:46:16,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:46:16,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:16,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 05:46:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:46:16,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:16,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:46:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:16,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:16,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:16,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:16,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:46:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:16,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 05:46:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:46:16,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:16,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:46:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:16,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 05:46:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:16,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:16,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:46:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:16,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-25 05:46:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-09-25 05:46:16,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-25 05:46:16,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:16,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-25 05:46:16,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:46:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-09-25 05:46:16,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:16,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:46:16,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:16,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:16,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:46:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:16,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 05:46:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:46:16,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:16,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:46:16,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 05:46:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:16,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 05:46:16,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:16,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 05:46:16,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 05:46:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 05:46:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 05:46:16,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:16,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 05:46:16,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-25 05:46:16,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 05:46:16,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:46:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 05:46:16,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:16,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 132 [2020-09-25 05:46:16,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 05:46:16,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:46:16,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 05:46:16,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:16,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 05:46:16,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:16,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:46:16,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:16,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:16,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 05:46:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:16,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:46:16,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:16,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:46:16,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 05:46:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:16,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:16,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:16,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:16,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:16,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:16,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:16,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:16,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:16,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:16,961 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-25 05:46:16,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765416636] [2020-09-25 05:46:16,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:16,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:46:16,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904889709] [2020-09-25 05:46:16,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:46:16,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:16,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:46:16,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:46:16,964 INFO L87 Difference]: Start difference. First operand 1437 states and 1830 transitions. Second operand 10 states. [2020-09-25 05:46:19,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:19,013 INFO L93 Difference]: Finished difference Result 3352 states and 4529 transitions. [2020-09-25 05:46:19,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 05:46:19,014 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 254 [2020-09-25 05:46:19,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:19,036 INFO L225 Difference]: With dead ends: 3352 [2020-09-25 05:46:19,036 INFO L226 Difference]: Without dead ends: 1959 [2020-09-25 05:46:19,050 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-25 05:46:19,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1959 states. [2020-09-25 05:46:19,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1959 to 1535. [2020-09-25 05:46:19,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1535 states. [2020-09-25 05:46:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1535 states and 1907 transitions. [2020-09-25 05:46:19,205 INFO L78 Accepts]: Start accepts. Automaton has 1535 states and 1907 transitions. Word has length 254 [2020-09-25 05:46:19,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:19,207 INFO L479 AbstractCegarLoop]: Abstraction has 1535 states and 1907 transitions. [2020-09-25 05:46:19,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:46:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1907 transitions. [2020-09-25 05:46:19,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 05:46:19,222 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:19,223 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-25 05:46:19,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:46:19,223 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:19,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:19,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1906353850, now seen corresponding path program 1 times [2020-09-25 05:46:19,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:19,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2055372522] [2020-09-25 05:46:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:19,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:19,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:19,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:21,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:21,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:21,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-25 05:46:24,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:46:24,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 05:46:24,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:24,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 114 [2020-09-25 05:46:24,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:46:24,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:46:24,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:46:24,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 05:46:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:46:24,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:24,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:46:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:24,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:24,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,348 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:24,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:46:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:24,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 05:46:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:46:24,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:24,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:24,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:46:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:24,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 05:46:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:24,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:46:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:46:24,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:24,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:46:24,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 05:46:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:46:24,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-25 05:46:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:24,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:24,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 05:46:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:46:24,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:24,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 05:46:24,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-25 05:46:24,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:46:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 05:46:24,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:24,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 05:46:24,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 05:46:24,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:24,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 05:46:24,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:24,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:46:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:24,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:24,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-25 05:46:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 05:46:24,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:46:24,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 05:46:24,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:46:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 05:46:24,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:46:24,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 05:46:24,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:46:24,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:24,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:46:24,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 05:46:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:24,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:24,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:24,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 05:46:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:24,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:24,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:24,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:24,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:24,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:24,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:24,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:24,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:24,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:24,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:25,015 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2020-09-25 05:46:25,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2055372522] [2020-09-25 05:46:25,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:46:25,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-25 05:46:25,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113148109] [2020-09-25 05:46:25,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:46:25,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:25,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:46:25,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:46:25,043 INFO L87 Difference]: Start difference. First operand 1535 states and 1907 transitions. Second operand 9 states. [2020-09-25 05:46:27,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:27,587 INFO L93 Difference]: Finished difference Result 3520 states and 4538 transitions. [2020-09-25 05:46:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 05:46:27,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 254 [2020-09-25 05:46:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:27,605 INFO L225 Difference]: With dead ends: 3520 [2020-09-25 05:46:27,606 INFO L226 Difference]: Without dead ends: 2033 [2020-09-25 05:46:27,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2020-09-25 05:46:27,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2020-09-25 05:46:27,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1527. [2020-09-25 05:46:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2020-09-25 05:46:27,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1883 transitions. [2020-09-25 05:46:27,719 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1883 transitions. Word has length 254 [2020-09-25 05:46:27,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:27,719 INFO L479 AbstractCegarLoop]: Abstraction has 1527 states and 1883 transitions. [2020-09-25 05:46:27,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:46:27,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1883 transitions. [2020-09-25 05:46:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-09-25 05:46:27,730 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:27,731 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:46:27,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:46:27,732 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:27,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:27,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1931791591, now seen corresponding path program 1 times [2020-09-25 05:46:27,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:27,733 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519320907] [2020-09-25 05:46:27,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:27,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:27,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:27,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:27,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:28,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:28,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-09-25 05:46:32,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:46:32,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 05:46:32,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-25 05:46:32,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-25 05:46:32,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:32,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:46:32,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:46:32,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:32,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:32,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:32,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:32,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-25 05:46:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:46:32,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:32,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:32,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:32,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:46:32,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:32,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-09-25 05:46:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:46:32,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:32,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:46:32,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:32,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-25 05:46:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:32,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:46:32,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:46:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 05:46:32,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:46:32,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:32,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 05:46:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:32,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:32,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:32,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:32,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:32,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:32,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-25 05:46:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:46:32,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:32,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 05:46:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:32,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:32,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:32,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:32,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:32,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:32,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:32,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:32,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:46:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:32,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:32,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:32,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:32,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:32,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-09-25 05:46:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:32,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:46:32,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:32,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:32,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:32,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:46:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:32,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:32,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:32,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:46:32,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:32,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:32,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 05:46:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:32,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:32,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:32,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:32,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:32,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:32,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:32,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-09-25 05:46:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:33,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:33,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 05:46:33,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:46:33,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:46:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-25 05:46:33,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:33,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 05:46:33,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-09-25 05:46:33,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:46:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 05:46:33,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 05:46:33,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 05:46:33,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:33,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 05:46:33,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:33,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:46:33,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-25 05:46:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:33,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:33,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-25 05:46:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:33,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:33,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:46:33,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 05:46:33,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-09-25 05:46:33,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:33,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 05:46:33,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-09-25 05:46:33,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 05:46:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 05:46:33,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:33,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 05:46:33,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 05:46:33,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:46:33,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 05:46:33,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:33,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:46:33,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 05:46:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:33,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:33,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-25 05:46:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 05:46:33,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:46:33,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-09-25 05:46:33,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 05:46:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 05:46:33,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:46:33,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:46:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-25 05:46:33,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:46:33,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:46:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:33,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:33,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:46:33,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 05:46:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:46:33,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:46:33,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:46:33,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:46:33,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2020-09-25 05:46:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:33,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:46:33,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:46:33,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:46:33,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:46:33,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:46:33,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:46:33,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:46:33,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:46:33,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:46:33,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:46:33,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:46:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-09-25 05:46:33,976 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519320907] [2020-09-25 05:46:33,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:46:33,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 05:46:33,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015568412] [2020-09-25 05:46:33,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 05:46:33,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:46:33,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 05:46:33,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-09-25 05:46:33,981 INFO L87 Difference]: Start difference. First operand 1527 states and 1883 transitions. Second operand 10 states. [2020-09-25 05:46:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:46:35,778 INFO L93 Difference]: Finished difference Result 3419 states and 4274 transitions. [2020-09-25 05:46:35,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 05:46:35,779 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 319 [2020-09-25 05:46:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:46:35,791 INFO L225 Difference]: With dead ends: 3419 [2020-09-25 05:46:35,791 INFO L226 Difference]: Without dead ends: 1930 [2020-09-25 05:46:35,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2020-09-25 05:46:35,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2020-09-25 05:46:35,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1518. [2020-09-25 05:46:35,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2020-09-25 05:46:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1868 transitions. [2020-09-25 05:46:35,890 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1868 transitions. Word has length 319 [2020-09-25 05:46:35,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:46:35,890 INFO L479 AbstractCegarLoop]: Abstraction has 1518 states and 1868 transitions. [2020-09-25 05:46:35,890 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 05:46:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1868 transitions. [2020-09-25 05:46:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-25 05:46:35,898 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:46:35,898 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-25 05:46:35,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 05:46:35,899 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:46:35,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:46:35,899 INFO L82 PathProgramCache]: Analyzing trace with hash 266669055, now seen corresponding path program 1 times [2020-09-25 05:46:35,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:46:35,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [88199374] [2020-09-25 05:46:35,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:46:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:46:35,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking...