/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:00:50,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:00:50,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:00:50,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:00:50,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:00:50,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:00:50,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:00:50,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:00:50,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:00:50,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:00:50,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:00:50,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:00:50,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:00:50,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:00:50,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:00:50,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:00:50,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:00:50,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:00:50,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:00:50,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:00:50,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:00:50,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:00:50,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:00:50,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:00:50,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:00:50,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:00:50,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:00:50,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:00:50,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:00:50,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:00:50,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:00:50,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:00:50,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:00:50,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:00:50,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:00:50,907 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:00:50,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:00:50,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:00:50,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:00:50,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:00:50,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:00:50,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 19:00:50,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:00:50,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:00:50,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:00:50,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:00:50,966 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:00:50,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:00:50,967 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:00:50,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:00:50,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:00:50,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:00:50,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:00:50,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:00:50,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:00:50,969 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:00:50,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:00:50,969 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:00:50,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:00:50,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:00:50,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:00:50,970 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:00:50,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:00:50,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:00:50,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:00:50,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:00:50,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:00:50,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:00:50,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:00:50,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:00:50,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:00:50,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:00:51,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:00:51,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:00:51,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:00:51,372 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:00:51,372 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:00:51,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2020-10-28 19:00:51,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15e62ac7b/faaf424870c34094ae1d85fbd5aa7439/FLAG925040961 [2020-10-28 19:00:52,373 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:00:52,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2020-10-28 19:00:52,427 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15e62ac7b/faaf424870c34094ae1d85fbd5aa7439/FLAG925040961 [2020-10-28 19:00:52,876 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15e62ac7b/faaf424870c34094ae1d85fbd5aa7439 [2020-10-28 19:00:52,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:00:52,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:00:52,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:00:52,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:00:52,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:00:52,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:00:52" (1/1) ... [2020-10-28 19:00:52,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d518251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:52, skipping insertion in model container [2020-10-28 19:00:52,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:00:52" (1/1) ... [2020-10-28 19:00:52,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:00:53,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:00:54,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:00:54,290 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:00:55,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:00:55,265 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:00:55,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55 WrapperNode [2020-10-28 19:00:55,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:00:55,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:00:55,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:00:55,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:00:55,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55" (1/1) ... [2020-10-28 19:00:55,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55" (1/1) ... [2020-10-28 19:00:55,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55" (1/1) ... [2020-10-28 19:00:55,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55" (1/1) ... [2020-10-28 19:00:55,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55" (1/1) ... [2020-10-28 19:00:55,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55" (1/1) ... [2020-10-28 19:00:55,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55" (1/1) ... [2020-10-28 19:00:55,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:00:55,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:00:55,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:00:55,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:00:55,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:00:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:00:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:00:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:00:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 19:00:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:00:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:00:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:00:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:00:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:00:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 19:00:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 19:00:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-28 19:00:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 19:00:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-28 19:00:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-28 19:00:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-10-28 19:00:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-10-28 19:00:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-10-28 19:00:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2020-10-28 19:00:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-28 19:00:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-10-28 19:00:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:00:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:00:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:00:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:00:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:00:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:00:55,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:00:59,721 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:00:59,722 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 19:00:59,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:00:59 BoogieIcfgContainer [2020-10-28 19:00:59,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:00:59,728 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:00:59,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:00:59,731 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:00:59,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:00:52" (1/3) ... [2020-10-28 19:00:59,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71065a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:00:59, skipping insertion in model container [2020-10-28 19:00:59,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:00:55" (2/3) ... [2020-10-28 19:00:59,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71065a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:00:59, skipping insertion in model container [2020-10-28 19:00:59,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:00:59" (3/3) ... [2020-10-28 19:00:59,734 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c.v+lhb-reducer.c [2020-10-28 19:00:59,746 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:00:59,752 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:00:59,765 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:00:59,798 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:00:59,798 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:00:59,799 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:00:59,799 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:00:59,799 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:00:59,799 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:00:59,799 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:00:59,799 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:00:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states. [2020-10-28 19:00:59,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-28 19:00:59,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:00:59,865 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] [2020-10-28 19:00:59,865 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:00:59,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:00:59,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1940053764, now seen corresponding path program 1 times [2020-10-28 19:00:59,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:00:59,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [556118801] [2020-10-28 19:00:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:01:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:01:00,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:00,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:01,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:01,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:01,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:01,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:05,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:01:05,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 19:01:05,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:01:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 19:01:05,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:01:05,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:01:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:01:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 19:01:05,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 19:01:05,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:01:08,717 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 19:01:08,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:01:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:01:08,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:08,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:01:08,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:01:08,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:01:08,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 19:01:08,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:01:08,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:01:08,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:01:08,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:01:08,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:01:08,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:01:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:01:08,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [556118801] [2020-10-28 19:01:08,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:01:08,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 19:01:08,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427818754] [2020-10-28 19:01:08,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 19:01:08,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:01:08,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 19:01:08,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 19:01:08,872 INFO L87 Difference]: Start difference. First operand 1115 states. Second operand 7 states. [2020-10-28 19:01:11,569 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 652 [2020-10-28 19:01:26,768 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 654 [2020-10-28 19:01:31,082 WARN L193 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 653 [2020-10-28 19:01:31,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:01:31,237 INFO L93 Difference]: Finished difference Result 2049 states and 3586 transitions. [2020-10-28 19:01:31,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 19:01:31,240 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2020-10-28 19:01:31,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:01:31,288 INFO L225 Difference]: With dead ends: 2049 [2020-10-28 19:01:31,288 INFO L226 Difference]: Without dead ends: 1776 [2020-10-28 19:01:31,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:01:31,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2020-10-28 19:01:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1223. [2020-10-28 19:01:31,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2020-10-28 19:01:31,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1593 transitions. [2020-10-28 19:01:31,464 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1593 transitions. Word has length 69 [2020-10-28 19:01:31,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:01:31,465 INFO L481 AbstractCegarLoop]: Abstraction has 1223 states and 1593 transitions. [2020-10-28 19:01:31,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 19:01:31,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1593 transitions. [2020-10-28 19:01:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-28 19:01:31,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:01:31,475 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] [2020-10-28 19:01:31,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:01:31,477 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:01:31,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:01:31,478 INFO L82 PathProgramCache]: Analyzing trace with hash 2095946787, now seen corresponding path program 1 times [2020-10-28 19:01:31,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:01:31,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938815299] [2020-10-28 19:01:31,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:01:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:01:31,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:31,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:31,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:32,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:32,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:34,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:34,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:34,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:35,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:35,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:35,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:36,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:01:36,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 19:01:36,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 19:01:36,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-28 19:01:36,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:01:36,602 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:01:36,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:01:36,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:01:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-28 19:01:36,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:01:39,361 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 19:01:39,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:01:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:01:39,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:39,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:01:39,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:01:39,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:01:39,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-28 19:01:39,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:01:39,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:01:39,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:01:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:01:39,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:01:39,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:01:39,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:01:39,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938815299] [2020-10-28 19:01:39,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:01:39,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 19:01:39,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517698644] [2020-10-28 19:01:39,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 19:01:39,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:01:39,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 19:01:39,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 19:01:39,608 INFO L87 Difference]: Start difference. First operand 1223 states and 1593 transitions. Second operand 6 states. [2020-10-28 19:01:42,296 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 655 [2020-10-28 19:01:51,676 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 653 [2020-10-28 19:01:52,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:01:52,799 INFO L93 Difference]: Finished difference Result 1815 states and 2404 transitions. [2020-10-28 19:01:52,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 19:01:52,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-10-28 19:01:52,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:01:52,808 INFO L225 Difference]: With dead ends: 1815 [2020-10-28 19:01:52,808 INFO L226 Difference]: Without dead ends: 1200 [2020-10-28 19:01:52,811 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-28 19:01:52,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2020-10-28 19:01:52,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1194. [2020-10-28 19:01:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-10-28 19:01:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1534 transitions. [2020-10-28 19:01:52,901 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1534 transitions. Word has length 69 [2020-10-28 19:01:52,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:01:52,902 INFO L481 AbstractCegarLoop]: Abstraction has 1194 states and 1534 transitions. [2020-10-28 19:01:52,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 19:01:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1534 transitions. [2020-10-28 19:01:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-28 19:01:52,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:01:52,906 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] [2020-10-28 19:01:52,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 19:01:52,906 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:01:52,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:01:52,907 INFO L82 PathProgramCache]: Analyzing trace with hash -721698554, now seen corresponding path program 1 times [2020-10-28 19:01:52,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:01:52,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472109435] [2020-10-28 19:01:52,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:01:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:01:53,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:53,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:53,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:53,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:53,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:54,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:54,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:54,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:55,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:56,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:01:58,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:01:58,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 19:01:58,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 19:01:58,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 19:01:58,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:01:58,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:01:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:01:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 19:01:58,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 19:01:58,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:02:00,811 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 19:02:00,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:02:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:02:00,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:00,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:02:00,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:02:00,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:02:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:02:00,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:02:00,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:02:00,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:02:00,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:02:00,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:02:00,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:02:00,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:02:00,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472109435] [2020-10-28 19:02:00,900 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:02:00,900 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 19:02:00,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089356531] [2020-10-28 19:02:00,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 19:02:00,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:02:00,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 19:02:00,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 19:02:00,902 INFO L87 Difference]: Start difference. First operand 1194 states and 1534 transitions. Second operand 4 states. [2020-10-28 19:02:03,609 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 650 [2020-10-28 19:02:10,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:02:10,977 INFO L93 Difference]: Finished difference Result 1905 states and 2589 transitions. [2020-10-28 19:02:10,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 19:02:10,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2020-10-28 19:02:10,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:02:10,996 INFO L225 Difference]: With dead ends: 1905 [2020-10-28 19:02:10,998 INFO L226 Difference]: Without dead ends: 1546 [2020-10-28 19:02:11,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 19:02:11,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2020-10-28 19:02:11,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1538. [2020-10-28 19:02:11,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1538 states. [2020-10-28 19:02:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2040 transitions. [2020-10-28 19:02:11,084 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2040 transitions. Word has length 69 [2020-10-28 19:02:11,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:02:11,085 INFO L481 AbstractCegarLoop]: Abstraction has 1538 states and 2040 transitions. [2020-10-28 19:02:11,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 19:02:11,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2040 transitions. [2020-10-28 19:02:11,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-28 19:02:11,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:02:11,089 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] [2020-10-28 19:02:11,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 19:02:11,089 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:02:11,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:02:11,090 INFO L82 PathProgramCache]: Analyzing trace with hash -895088971, now seen corresponding path program 1 times [2020-10-28 19:02:11,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:02:11,091 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463232613] [2020-10-28 19:02:11,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:02:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:02:11,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:11,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:11,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:11,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:11,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:12,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:12,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:12,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:14,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:16,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:02:16,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 19:02:16,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 19:02:16,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:02:16,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:02:16,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:02:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:02:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 45 [2020-10-28 19:02:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 19:02:16,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:02:18,798 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 19:02:18,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:02:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:02:18,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:18,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:02:18,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:02:18,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:02:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 19:02:18,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:02:18,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:02:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:02:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:02:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:02:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:02:18,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:02:18,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463232613] [2020-10-28 19:02:18,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:02:18,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 19:02:18,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995373565] [2020-10-28 19:02:18,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 19:02:18,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:02:18,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 19:02:18,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 19:02:18,888 INFO L87 Difference]: Start difference. First operand 1538 states and 2040 transitions. Second operand 4 states. [2020-10-28 19:02:21,582 WARN L193 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 650 [2020-10-28 19:02:28,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:02:28,506 INFO L93 Difference]: Finished difference Result 2842 states and 3961 transitions. [2020-10-28 19:02:28,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 19:02:28,507 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2020-10-28 19:02:28,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:02:28,522 INFO L225 Difference]: With dead ends: 2842 [2020-10-28 19:02:28,522 INFO L226 Difference]: Without dead ends: 2130 [2020-10-28 19:02:28,524 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 19:02:28,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2020-10-28 19:02:28,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2124. [2020-10-28 19:02:28,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2124 states. [2020-10-28 19:02:28,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2886 transitions. [2020-10-28 19:02:28,627 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2886 transitions. Word has length 69 [2020-10-28 19:02:28,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:02:28,627 INFO L481 AbstractCegarLoop]: Abstraction has 2124 states and 2886 transitions. [2020-10-28 19:02:28,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 19:02:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2886 transitions. [2020-10-28 19:02:28,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-28 19:02:28,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:02:28,632 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] [2020-10-28 19:02:28,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 19:02:28,632 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:02:28,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:02:28,633 INFO L82 PathProgramCache]: Analyzing trace with hash -832783090, now seen corresponding path program 1 times [2020-10-28 19:02:28,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:02:28,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [131942271] [2020-10-28 19:02:28,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:02:28,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:02:28,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:28,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:28,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:29,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:29,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:30,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:30,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:31,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:33,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:02:33,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-28 19:02:33,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-28 19:02:33,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 19:02:33,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:02:33,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:02:33,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:02:33,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 19:02:33,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 19:02:33,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:02:36,436 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 19:02:36,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:02:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:02:36,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:36,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:02:36,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:02:36,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:02:36,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:02:36,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:02:36,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:02:36,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:02:36,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:02:36,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:02:36,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:02:36,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:02:36,511 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [131942271] [2020-10-28 19:02:36,511 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:02:36,511 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:02:36,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849134433] [2020-10-28 19:02:36,512 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:02:36,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:02:36,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:02:36,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:02:36,513 INFO L87 Difference]: Start difference. First operand 2124 states and 2886 transitions. Second operand 8 states. [2020-10-28 19:02:39,207 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 652 [2020-10-28 19:02:48,732 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 654 [2020-10-28 19:02:51,594 WARN L193 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 648 [2020-10-28 19:02:55,601 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification that was a NOOP. DAG size: 653 [2020-10-28 19:02:58,238 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 647 [2020-10-28 19:02:58,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:02:58,639 INFO L93 Difference]: Finished difference Result 13580 states and 19970 transitions. [2020-10-28 19:02:58,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 19:02:58,639 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 69 [2020-10-28 19:02:58,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:02:58,694 INFO L225 Difference]: With dead ends: 13580 [2020-10-28 19:02:58,695 INFO L226 Difference]: Without dead ends: 12490 [2020-10-28 19:02:58,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2020-10-28 19:02:58,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12490 states. [2020-10-28 19:02:58,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12490 to 2176. [2020-10-28 19:02:58,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2176 states. [2020-10-28 19:02:58,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 2176 states and 2930 transitions. [2020-10-28 19:02:58,988 INFO L78 Accepts]: Start accepts. Automaton has 2176 states and 2930 transitions. Word has length 69 [2020-10-28 19:02:58,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:02:58,990 INFO L481 AbstractCegarLoop]: Abstraction has 2176 states and 2930 transitions. [2020-10-28 19:02:58,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:02:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 2930 transitions. [2020-10-28 19:02:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-28 19:02:58,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:02:58,995 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] [2020-10-28 19:02:58,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 19:02:58,996 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:02:58,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:02:58,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1856263526, now seen corresponding path program 1 times [2020-10-28 19:02:58,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:02:58,997 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918128753] [2020-10-28 19:02:58,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:02:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:02:59,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:59,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:59,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:59,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:02:59,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:00,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:00,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:01,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:01,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:01,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:04,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:03:04,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 19:03:04,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 19:03:04,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-28 19:03:04,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:03:04,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:03:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:03:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 19:03:04,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-28 19:03:04,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:03:06,778 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 19:03:06,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:03:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:03:06,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:06,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:03:06,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:03:06,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:03:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 19:03:06,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:03:06,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:03:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:03:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:03:06,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:03:06,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:03:06,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:03:06,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918128753] [2020-10-28 19:03:06,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:03:06,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 19:03:06,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600515999] [2020-10-28 19:03:06,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:03:06,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:03:06,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:03:06,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:03:06,876 INFO L87 Difference]: Start difference. First operand 2176 states and 2930 transitions. Second operand 8 states. [2020-10-28 19:03:09,599 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 653 [2020-10-28 19:03:17,091 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 655 [2020-10-28 19:03:18,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:03:18,668 INFO L93 Difference]: Finished difference Result 3584 states and 4996 transitions. [2020-10-28 19:03:18,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 19:03:18,668 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2020-10-28 19:03:18,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:03:18,676 INFO L225 Difference]: With dead ends: 3584 [2020-10-28 19:03:18,676 INFO L226 Difference]: Without dead ends: 2142 [2020-10-28 19:03:18,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-28 19:03:18,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2142 states. [2020-10-28 19:03:18,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2142 to 1692. [2020-10-28 19:03:18,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1692 states. [2020-10-28 19:03:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2293 transitions. [2020-10-28 19:03:18,812 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2293 transitions. Word has length 70 [2020-10-28 19:03:18,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:03:18,812 INFO L481 AbstractCegarLoop]: Abstraction has 1692 states and 2293 transitions. [2020-10-28 19:03:18,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:03:18,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2293 transitions. [2020-10-28 19:03:18,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-28 19:03:18,815 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:03:18,815 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] [2020-10-28 19:03:18,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 19:03:18,816 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:03:18,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:03:18,816 INFO L82 PathProgramCache]: Analyzing trace with hash 647062555, now seen corresponding path program 1 times [2020-10-28 19:03:18,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:03:18,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761219679] [2020-10-28 19:03:18,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:03:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:03:18,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:18,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:19,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:19,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:19,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:19,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:21,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:21,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:21,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:22,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:23,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:23,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:03:23,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 19:03:23,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-28 19:03:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 19:03:23,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:03:23,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:03:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:03:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:03:23,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-28 19:03:23,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:03:26,575 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 19:03:26,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:03:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:03:26,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:26,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:03:26,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:03:26,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:03:26,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 19:03:26,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:03:26,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:03:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:03:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:03:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 19:03:26,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:03:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:03:26,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761219679] [2020-10-28 19:03:26,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:03:26,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 19:03:26,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532128602] [2020-10-28 19:03:26,678 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 19:03:26,678 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:03:26,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 19:03:26,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:03:26,678 INFO L87 Difference]: Start difference. First operand 1692 states and 2293 transitions. Second operand 8 states. [2020-10-28 19:03:29,341 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 650 [2020-10-28 19:03:36,627 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 653 [2020-10-28 19:03:40,346 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 652 [2020-10-28 19:03:40,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:03:40,696 INFO L93 Difference]: Finished difference Result 6431 states and 9230 transitions. [2020-10-28 19:03:40,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 19:03:40,697 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2020-10-28 19:03:40,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:03:40,726 INFO L225 Difference]: With dead ends: 6431 [2020-10-28 19:03:40,726 INFO L226 Difference]: Without dead ends: 5481 [2020-10-28 19:03:40,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2020-10-28 19:03:40,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5481 states. [2020-10-28 19:03:40,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5481 to 1792. [2020-10-28 19:03:40,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1792 states. [2020-10-28 19:03:40,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1792 states and 2397 transitions. [2020-10-28 19:03:40,929 INFO L78 Accepts]: Start accepts. Automaton has 1792 states and 2397 transitions. Word has length 70 [2020-10-28 19:03:40,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:03:40,929 INFO L481 AbstractCegarLoop]: Abstraction has 1792 states and 2397 transitions. [2020-10-28 19:03:40,929 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 19:03:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2397 transitions. [2020-10-28 19:03:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-28 19:03:40,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:03:40,933 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] [2020-10-28 19:03:40,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 19:03:40,933 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:03:40,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:03:40,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1424895911, now seen corresponding path program 1 times [2020-10-28 19:03:40,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:03:40,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [980529934] [2020-10-28 19:03:40,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:03:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:03:41,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:41,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:41,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:41,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:41,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:41,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:44,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:44,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:44,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:45,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:45,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:45,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:45,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:03:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 19:03:46,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 19:03:46,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 19:03:46,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:03:46,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:03:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:03:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-28 19:03:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-28 19:03:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:03:48,654 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 19:03:48,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:03:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:03:48,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:03:48,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:03:48,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:03:48,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:03:48,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 19:03:48,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:03:48,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:03:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:03:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:03:48,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:03:48,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:03:48,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:03:48,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [980529934] [2020-10-28 19:03:48,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:03:48,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 19:03:48,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268427654] [2020-10-28 19:03:48,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 19:03:48,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:03:48,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 19:03:48,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-28 19:03:48,732 INFO L87 Difference]: Start difference. First operand 1792 states and 2397 transitions. Second operand 6 states. [2020-10-28 19:03:51,382 WARN L193 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 647 [2020-10-28 19:03:58,221 WARN L193 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 648 [2020-10-28 19:04:01,013 WARN L193 SmtUtils]: Spent 2.53 s on a formula simplification that was a NOOP. DAG size: 647 [2020-10-28 19:04:04,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:04:04,393 INFO L93 Difference]: Finished difference Result 9217 states and 13146 transitions. [2020-10-28 19:04:04,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 19:04:04,394 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2020-10-28 19:04:04,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:04:04,411 INFO L225 Difference]: With dead ends: 9217 [2020-10-28 19:04:04,411 INFO L226 Difference]: Without dead ends: 8045 [2020-10-28 19:04:04,416 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2020-10-28 19:04:04,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8045 states. [2020-10-28 19:04:04,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8045 to 4611. [2020-10-28 19:04:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4611 states. [2020-10-28 19:04:04,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 6450 transitions. [2020-10-28 19:04:04,872 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 6450 transitions. Word has length 71 [2020-10-28 19:04:04,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:04:04,872 INFO L481 AbstractCegarLoop]: Abstraction has 4611 states and 6450 transitions. [2020-10-28 19:04:04,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 19:04:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 6450 transitions. [2020-10-28 19:04:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-28 19:04:04,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:04:04,876 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] [2020-10-28 19:04:04,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 19:04:04,877 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:04:04,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:04:04,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1047360605, now seen corresponding path program 1 times [2020-10-28 19:04:04,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:04:04,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [203476032] [2020-10-28 19:04:04,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:04:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:04:04,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:05,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:05,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:05,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:06,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:06,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:07,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:07,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:08,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:08,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:09,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:04:09,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 19:04:09,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 19:04:09,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 19:04:09,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:04:09,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:04:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 19:04:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 19:04:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 19:04:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:04:12,633 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 646 [2020-10-28 19:04:12,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:04:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:04:12,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:12,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:04:12,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:04:12,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:04:12,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:04:12,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:04:12,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:04:12,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:04:12,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:04:12,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:04:12,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:04:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:04:12,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [203476032] [2020-10-28 19:04:12,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:04:12,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 19:04:12,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81291340] [2020-10-28 19:04:12,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 19:04:12,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:04:12,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 19:04:12,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 19:04:12,697 INFO L87 Difference]: Start difference. First operand 4611 states and 6450 transitions. Second operand 7 states. [2020-10-28 19:04:15,436 WARN L193 SmtUtils]: Spent 2.63 s on a formula simplification that was a NOOP. DAG size: 656 [2020-10-28 19:04:22,345 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 652 [2020-10-28 19:04:25,122 WARN L193 SmtUtils]: Spent 2.61 s on a formula simplification that was a NOOP. DAG size: 654 [2020-10-28 19:04:27,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:04:27,010 INFO L93 Difference]: Finished difference Result 10156 states and 14417 transitions. [2020-10-28 19:04:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 19:04:27,010 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-10-28 19:04:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:04:27,023 INFO L225 Difference]: With dead ends: 10156 [2020-10-28 19:04:27,023 INFO L226 Difference]: Without dead ends: 6337 [2020-10-28 19:04:27,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-28 19:04:27,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6337 states. [2020-10-28 19:04:27,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6337 to 4611. [2020-10-28 19:04:27,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4611 states. [2020-10-28 19:04:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 4611 states and 6438 transitions. [2020-10-28 19:04:27,483 INFO L78 Accepts]: Start accepts. Automaton has 4611 states and 6438 transitions. Word has length 72 [2020-10-28 19:04:27,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:04:27,483 INFO L481 AbstractCegarLoop]: Abstraction has 4611 states and 6438 transitions. [2020-10-28 19:04:27,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 19:04:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4611 states and 6438 transitions. [2020-10-28 19:04:27,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-10-28 19:04:27,487 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:04:27,487 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] [2020-10-28 19:04:27,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 19:04:27,487 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:04:27,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:04:27,488 INFO L82 PathProgramCache]: Analyzing trace with hash -693134651, now seen corresponding path program 1 times [2020-10-28 19:04:27,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:04:27,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683302360] [2020-10-28 19:04:27,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:04:27,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:04:27,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:27,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:27,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:28,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:28,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:28,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:28,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:29,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:29,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:30,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:04:32,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:04:32,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 19:04:32,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-28 19:04:32,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 19:04:32,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:04:32,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:04:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 19:04:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 19:04:32,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 19:04:32,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0