/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:13:42,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:13:43,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:13:43,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:13:43,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:13:43,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:13:43,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:13:43,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:13:43,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:13:43,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:13:43,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:13:43,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:13:43,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:13:43,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:13:43,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:13:43,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:13:43,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:13:43,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:13:43,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:13:43,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:13:43,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:13:43,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:13:43,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:13:43,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:13:43,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:13:43,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:13:43,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:13:43,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:13:43,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:13:43,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:13:43,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:13:43,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:13:43,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:13:43,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:13:43,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:13:43,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:13:43,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:13:43,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:13:43,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:13:43,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:13:43,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:13:43,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:13:43,163 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:13:43,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:13:43,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:13:43,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:13:43,165 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:13:43,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:13:43,165 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:13:43,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:13:43,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:13:43,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:13:43,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:13:43,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:13:43,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:13:43,167 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:13:43,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:13:43,167 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:13:43,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:13:43,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:13:43,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:13:43,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:13:43,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:13:43,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:13:43,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:13:43,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:13:43,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:13:43,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:13:43,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:13:43,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:13:43,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:13:43,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 09:13:43,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:13:43,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:13:43,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:13:43,689 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:13:43,690 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:13:43,692 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-09-25 09:13:43,776 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c3cb78f2/777cddeab0ed4999a96d74265f082ed4/FLAG6d82a4413 [2020-09-25 09:13:44,420 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:13:44,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-09-25 09:13:44,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c3cb78f2/777cddeab0ed4999a96d74265f082ed4/FLAG6d82a4413 [2020-09-25 09:13:44,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c3cb78f2/777cddeab0ed4999a96d74265f082ed4 [2020-09-25 09:13:44,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:13:44,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:13:44,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:13:44,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:13:44,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:13:44,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:13:44" (1/1) ... [2020-09-25 09:13:44,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a00abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:44, skipping insertion in model container [2020-09-25 09:13:44,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:13:44" (1/1) ... [2020-09-25 09:13:44,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:13:44,773 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:13:45,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:13:45,530 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:13:45,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:13:46,019 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:13:46,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46 WrapperNode [2020-09-25 09:13:46,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:13:46,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:13:46,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:13:46,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:13:46,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46" (1/1) ... [2020-09-25 09:13:46,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46" (1/1) ... [2020-09-25 09:13:46,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46" (1/1) ... [2020-09-25 09:13:46,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46" (1/1) ... [2020-09-25 09:13:46,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46" (1/1) ... [2020-09-25 09:13:46,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46" (1/1) ... [2020-09-25 09:13:46,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46" (1/1) ... [2020-09-25 09:13:46,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:13:46,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:13:46,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:13:46,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:13:46,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:13:46,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:13:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:13:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 09:13:46,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:13:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:13:46,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-09-25 09:13:46,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-09-25 09:13:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 09:13:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-09-25 09:13:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 09:13:46,255 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 09:13:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-09-25 09:13:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-09-25 09:13:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2020-09-25 09:13:46,256 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2020-09-25 09:13:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2020-09-25 09:13:46,257 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-09-25 09:13:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure check [2020-09-25 09:13:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:13:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:13:46,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:13:48,454 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:13:48,455 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 09:13:48,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:13:48 BoogieIcfgContainer [2020-09-25 09:13:48,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:13:48,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:13:48,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:13:48,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:13:48,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:13:44" (1/3) ... [2020-09-25 09:13:48,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e06060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:13:48, skipping insertion in model container [2020-09-25 09:13:48,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:13:46" (2/3) ... [2020-09-25 09:13:48,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12e06060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:13:48, skipping insertion in model container [2020-09-25 09:13:48,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:13:48" (3/3) ... [2020-09-25 09:13:48,479 INFO L109 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2020-09-25 09:13:48,490 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:13:48,503 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-09-25 09:13:48,525 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-25 09:13:48,561 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:13:48,561 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:13:48,561 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:13:48,561 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:13:48,562 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:13:48,562 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:13:48,562 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:13:48,562 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:13:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states. [2020-09-25 09:13:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2020-09-25 09:13:48,649 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:13:48,651 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:13:48,652 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:13:48,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:13:48,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1303335379, now seen corresponding path program 1 times [2020-09-25 09:13:48,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:13:48,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906932626] [2020-09-25 09:13:48,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:13:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:13:49,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:13:49,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:13:50,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:13:50,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:13:50,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:13:50,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:13:51,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:13:53,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:13:54,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:13:54,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 463 [2020-09-25 09:13:54,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 09:13:54,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-09-25 09:13:54,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:13:54,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:13:54,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:13:54,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 207 [2020-09-25 09:13:54,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-09-25 09:13:54,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 09:13:54,975 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:13:54,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:13:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:13:55,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:13:55,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:13:55,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-25 09:13:55,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:13:55,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 09:13:55,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:13:55,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:13:55,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:13:55,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:13:55,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:13:55,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:13:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:13:55,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906932626] [2020-09-25 09:13:55,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:13:55,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 09:13:55,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279216082] [2020-09-25 09:13:55,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 09:13:55,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:13:55,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 09:13:55,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 09:13:55,537 INFO L87 Difference]: Start difference. First operand 1233 states. Second operand 4 states. [2020-09-25 09:14:00,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:14:00,621 INFO L93 Difference]: Finished difference Result 2019 states and 2601 transitions. [2020-09-25 09:14:00,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 09:14:00,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 456 [2020-09-25 09:14:00,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:14:00,670 INFO L225 Difference]: With dead ends: 2019 [2020-09-25 09:14:00,672 INFO L226 Difference]: Without dead ends: 1445 [2020-09-25 09:14:00,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 09:14:00,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2020-09-25 09:14:00,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1438. [2020-09-25 09:14:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2020-09-25 09:14:00,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 1723 transitions. [2020-09-25 09:14:00,818 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 1723 transitions. Word has length 456 [2020-09-25 09:14:00,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:14:00,820 INFO L479 AbstractCegarLoop]: Abstraction has 1438 states and 1723 transitions. [2020-09-25 09:14:00,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 09:14:00,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1723 transitions. [2020-09-25 09:14:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2020-09-25 09:14:00,832 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:14:00,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:14:00,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:14:00,834 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:14:00,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:14:00,834 INFO L82 PathProgramCache]: Analyzing trace with hash 1418962381, now seen corresponding path program 1 times [2020-09-25 09:14:00,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:14:00,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829181008] [2020-09-25 09:14:00,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:14:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:14:01,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:01,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:01,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:01,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:01,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:02,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:02,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:04,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:05,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:06,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:14:06,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 463 [2020-09-25 09:14:06,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 09:14:06,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5122 [2020-09-25 09:14:06,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:14:06,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:14:06,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:14:06,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 208 [2020-09-25 09:14:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 218 [2020-09-25 09:14:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-25 09:14:06,584 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:14:06,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:14:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:14:06,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:06,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:14:06,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-25 09:14:06,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:14:06,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 09:14:06,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:14:06,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:14:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:14:06,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:14:06,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:14:06,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:14:07,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:14:07,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829181008] [2020-09-25 09:14:07,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:14:07,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 09:14:07,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83841516] [2020-09-25 09:14:07,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 09:14:07,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:14:07,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 09:14:07,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 09:14:07,074 INFO L87 Difference]: Start difference. First operand 1438 states and 1723 transitions. Second operand 4 states. [2020-09-25 09:14:11,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:14:11,211 INFO L93 Difference]: Finished difference Result 2635 states and 3268 transitions. [2020-09-25 09:14:11,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 09:14:11,212 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 456 [2020-09-25 09:14:11,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:14:11,231 INFO L225 Difference]: With dead ends: 2635 [2020-09-25 09:14:11,232 INFO L226 Difference]: Without dead ends: 2144 [2020-09-25 09:14:11,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 09:14:11,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2020-09-25 09:14:11,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 2132. [2020-09-25 09:14:11,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2020-09-25 09:14:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2619 transitions. [2020-09-25 09:14:11,339 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2619 transitions. Word has length 456 [2020-09-25 09:14:11,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:14:11,341 INFO L479 AbstractCegarLoop]: Abstraction has 2132 states and 2619 transitions. [2020-09-25 09:14:11,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 09:14:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2619 transitions. [2020-09-25 09:14:11,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2020-09-25 09:14:11,351 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:14:11,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:14:11,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:14:11,353 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:14:11,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:14:11,354 INFO L82 PathProgramCache]: Analyzing trace with hash 496290573, now seen corresponding path program 1 times [2020-09-25 09:14:11,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:14:11,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1077163689] [2020-09-25 09:14:11,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:14:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:14:11,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:11,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:11,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:12,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:12,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:12,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:12,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:15,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:16,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:14:16,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 463 [2020-09-25 09:14:16,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 09:14:16,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5058 [2020-09-25 09:14:16,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:14:16,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:14:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 09:14:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-09-25 09:14:16,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-25 09:14:16,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:14:17,156 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:14:17,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:14:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:14:17,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:17,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:14:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-25 09:14:17,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:14:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-25 09:14:17,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:14:17,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:14:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:14:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:14:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:14:17,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:14:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:14:17,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1077163689] [2020-09-25 09:14:17,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:14:17,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 09:14:17,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020489926] [2020-09-25 09:14:17,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 09:14:17,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:14:17,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 09:14:17,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-25 09:14:17,740 INFO L87 Difference]: Start difference. First operand 2132 states and 2619 transitions. Second operand 5 states. [2020-09-25 09:14:24,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:14:24,517 INFO L93 Difference]: Finished difference Result 5887 states and 7288 transitions. [2020-09-25 09:14:24,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 09:14:24,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 456 [2020-09-25 09:14:24,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:14:24,536 INFO L225 Difference]: With dead ends: 5887 [2020-09-25 09:14:24,536 INFO L226 Difference]: Without dead ends: 3958 [2020-09-25 09:14:24,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:14:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3958 states. [2020-09-25 09:14:24,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3958 to 3827. [2020-09-25 09:14:24,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3827 states. [2020-09-25 09:14:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 3827 states and 4733 transitions. [2020-09-25 09:14:24,667 INFO L78 Accepts]: Start accepts. Automaton has 3827 states and 4733 transitions. Word has length 456 [2020-09-25 09:14:24,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:14:24,667 INFO L479 AbstractCegarLoop]: Abstraction has 3827 states and 4733 transitions. [2020-09-25 09:14:24,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 09:14:24,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3827 states and 4733 transitions. [2020-09-25 09:14:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2020-09-25 09:14:24,677 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:14:24,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:14:24,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:14:24,679 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:14:24,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:14:24,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1610099519, now seen corresponding path program 1 times [2020-09-25 09:14:24,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:14:24,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228584613] [2020-09-25 09:14:24,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:14:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:14:24,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:24,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:25,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:25,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:25,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:25,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:25,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:27,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:29,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:14:29,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 464 [2020-09-25 09:14:29,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 09:14:29,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 09:14:29,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:14:29,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:14:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-25 09:14:29,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 174 [2020-09-25 09:14:29,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-25 09:14:29,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:14:30,265 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:14:30,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:14:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:14:30,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:14:30,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:14:30,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-09-25 09:14:30,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:14:30,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-25 09:14:30,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 09:14:30,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 09:14:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:14:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:14:30,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:14:30,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1