/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 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=0.4 --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 -i ../../../trunk/examples/svcomp/eca-rers2012/Problem06_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 01:38:25,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 01:38:25,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 01:38:25,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 01:38:25,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 01:38:25,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 01:38:25,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 01:38:25,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 01:38:25,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 01:38:25,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 01:38:25,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 01:38:25,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 01:38:25,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 01:38:25,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 01:38:25,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 01:38:25,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 01:38:25,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 01:38:25,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 01:38:25,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 01:38:25,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 01:38:25,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 01:38:25,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 01:38:25,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 01:38:25,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 01:38:25,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 01:38:25,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 01:38:25,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 01:38:25,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 01:38:25,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 01:38:25,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 01:38:25,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 01:38:25,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 01:38:25,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 01:38:25,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 01:38:25,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 01:38:25,303 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 01:38:25,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 01:38:25,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 01:38:25,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 01:38:25,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 01:38:25,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 01:38:25,306 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 [2020-10-14 01:38:25,329 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 01:38:25,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 01:38:25,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 01:38:25,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 01:38:25,331 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 01:38:25,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 01:38:25,331 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 01:38:25,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 01:38:25,332 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 01:38:25,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 01:38:25,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 01:38:25,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 01:38:25,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 01:38:25,333 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 01:38:25,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 01:38:25,334 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 01:38:25,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 01:38:25,334 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 01:38:25,334 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 01:38:25,334 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 01:38:25,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 01:38:25,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 01:38:25,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 01:38:25,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 01:38:25,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 01:38:25,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 01:38:25,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 01:38:25,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 01:38:25,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 01:38:25,338 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 -> 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=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 01:38:25,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 01:38:25,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 01:38:25,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 01:38:25,705 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 01:38:25,705 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 01:38:25,706 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label40.c [2020-10-14 01:38:25,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1abc3ccb8/f3046094d0f243f687da0423b7022619/FLAG904f5ea90 [2020-10-14 01:38:26,681 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 01:38:26,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem06_label40.c [2020-10-14 01:38:26,728 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1abc3ccb8/f3046094d0f243f687da0423b7022619/FLAG904f5ea90 [2020-10-14 01:38:27,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1abc3ccb8/f3046094d0f243f687da0423b7022619 [2020-10-14 01:38:27,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 01:38:27,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 01:38:27,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 01:38:27,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 01:38:27,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 01:38:27,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:38:27" (1/1) ... [2020-10-14 01:38:27,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:27, skipping insertion in model container [2020-10-14 01:38:27,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:38:27" (1/1) ... [2020-10-14 01:38:27,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 01:38:27,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 01:38:29,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 01:38:29,674 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 01:38:30,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 01:38:30,864 INFO L208 MainTranslator]: Completed translation [2020-10-14 01:38:30,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30 WrapperNode [2020-10-14 01:38:30,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 01:38:30,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 01:38:30,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 01:38:30,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 01:38:30,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30" (1/1) ... [2020-10-14 01:38:30,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30" (1/1) ... [2020-10-14 01:38:30,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30" (1/1) ... [2020-10-14 01:38:30,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30" (1/1) ... [2020-10-14 01:38:31,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30" (1/1) ... [2020-10-14 01:38:31,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30" (1/1) ... [2020-10-14 01:38:31,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30" (1/1) ... [2020-10-14 01:38:31,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 01:38:31,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 01:38:31,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 01:38:31,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 01:38:31,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30" (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 [2020-10-14 01:38:31,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 01:38:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 01:38:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 01:38:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-14 01:38:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2020-10-14 01:38:31,385 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2020-10-14 01:38:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2020-10-14 01:38:31,386 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 01:38:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 01:38:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-14 01:38:31,386 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2020-10-14 01:38:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2020-10-14 01:38:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2020-10-14 01:38:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 01:38:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 01:38:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 01:38:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 01:38:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 01:38:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 01:38:38,097 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 01:38:38,097 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 01:38:38,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:38:38 BoogieIcfgContainer [2020-10-14 01:38:38,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 01:38:38,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 01:38:38,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 01:38:38,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 01:38:38,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 01:38:27" (1/3) ... [2020-10-14 01:38:38,118 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ccf65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:38:38, skipping insertion in model container [2020-10-14 01:38:38,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:38:30" (2/3) ... [2020-10-14 01:38:38,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ccf65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:38:38, skipping insertion in model container [2020-10-14 01:38:38,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:38:38" (3/3) ... [2020-10-14 01:38:38,121 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem06_label40.c [2020-10-14 01:38:38,132 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 01:38:38,142 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 01:38:38,157 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 01:38:38,189 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 01:38:38,189 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 01:38:38,189 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 01:38:38,189 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 01:38:38,189 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 01:38:38,190 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 01:38:38,190 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 01:38:38,190 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 01:38:38,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states. [2020-10-14 01:38:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2020-10-14 01:38:38,300 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 01:38:38,302 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 01:38:38,303 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 01:38:38,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 01:38:38,310 INFO L82 PathProgramCache]: Analyzing trace with hash 1767846672, now seen corresponding path program 1 times [2020-10-14 01:38:38,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 01:38:38,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494040800] [2020-10-14 01:38:38,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 01:38:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:38:39,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:38:41,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:38:44,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:38:44,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1001 [2020-10-14 01:38:44,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 01:38:44,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-10-14 01:38:44,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:38:44,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:38:44,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-14 01:38:44,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 01:38:44,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 995 [2020-10-14 01:38:44,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 01:38:45,663 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 01:38:45,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 01:38:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:38:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:38:45,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:38:45,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 01:38:45,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:38:45,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 01:38:45,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:38:45,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:38:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 01:38:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 01:38:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 01:38:45,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:38:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 01:38:46,808 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494040800] [2020-10-14 01:38:46,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 01:38:46,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 01:38:46,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649112345] [2020-10-14 01:38:46,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 01:38:46,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 01:38:46,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 01:38:46,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 01:38:46,836 INFO L87 Difference]: Start difference. First operand 1315 states. Second operand 4 states. [2020-10-14 01:38:47,021 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 01:39:00,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 01:39:00,681 INFO L93 Difference]: Finished difference Result 3777 states and 7033 transitions. [2020-10-14 01:39:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 01:39:00,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 985 [2020-10-14 01:39:00,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 01:39:00,741 INFO L225 Difference]: With dead ends: 3777 [2020-10-14 01:39:00,741 INFO L226 Difference]: Without dead ends: 2398 [2020-10-14 01:39:00,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 01:39:00,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2398 states. [2020-10-14 01:39:00,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2398 to 2373. [2020-10-14 01:39:00,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2373 states. [2020-10-14 01:39:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2373 states and 3874 transitions. [2020-10-14 01:39:00,938 INFO L78 Accepts]: Start accepts. Automaton has 2373 states and 3874 transitions. Word has length 985 [2020-10-14 01:39:00,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 01:39:00,943 INFO L479 AbstractCegarLoop]: Abstraction has 2373 states and 3874 transitions. [2020-10-14 01:39:00,944 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 01:39:00,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 3874 transitions. [2020-10-14 01:39:01,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999 [2020-10-14 01:39:01,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 01:39:01,012 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 01:39:01,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 01:39:01,013 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 01:39:01,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 01:39:01,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1300115647, now seen corresponding path program 1 times [2020-10-14 01:39:01,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 01:39:01,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096955223] [2020-10-14 01:39:01,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 01:39:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:39:02,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:02,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:06,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:39:06,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1016 [2020-10-14 01:39:06,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 01:39:06,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5106 [2020-10-14 01:39:06,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:39:06,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:39:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 01:39:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 01:39:06,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-14 01:39:06,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:39:07,396 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 01:39:07,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 01:39:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:39:07,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:07,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:39:07,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 01:39:07,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:39:07,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 01:39:07,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:39:07,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:39:07,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 01:39:07,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 01:39:07,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 01:39:07,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:39:07,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 01:39:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:39:07,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:07,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:39:07,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 01:39:07,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:39:07,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-14 01:39:07,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:39:07,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:39:07,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 01:39:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 01:39:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 01:39:07,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:39:08,655 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 01:39:08,656 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096955223] [2020-10-14 01:39:08,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 01:39:08,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 01:39:08,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656923525] [2020-10-14 01:39:08,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 01:39:08,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 01:39:08,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 01:39:08,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 01:39:08,661 INFO L87 Difference]: Start difference. First operand 2373 states and 3874 transitions. Second operand 8 states. [2020-10-14 01:39:08,797 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2020-10-14 01:39:09,133 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-10-14 01:39:10,474 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2020-10-14 01:39:30,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 01:39:30,799 INFO L93 Difference]: Finished difference Result 8136 states and 13233 transitions. [2020-10-14 01:39:30,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 01:39:30,801 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 998 [2020-10-14 01:39:30,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 01:39:30,883 INFO L225 Difference]: With dead ends: 8136 [2020-10-14 01:39:30,884 INFO L226 Difference]: Without dead ends: 5769 [2020-10-14 01:39:30,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 01:39:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5769 states. [2020-10-14 01:39:31,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5769 to 5661. [2020-10-14 01:39:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5661 states. [2020-10-14 01:39:31,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5661 states to 5661 states and 8631 transitions. [2020-10-14 01:39:31,053 INFO L78 Accepts]: Start accepts. Automaton has 5661 states and 8631 transitions. Word has length 998 [2020-10-14 01:39:31,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 01:39:31,053 INFO L479 AbstractCegarLoop]: Abstraction has 5661 states and 8631 transitions. [2020-10-14 01:39:31,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 01:39:31,054 INFO L276 IsEmpty]: Start isEmpty. Operand 5661 states and 8631 transitions. [2020-10-14 01:39:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2020-10-14 01:39:31,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 01:39:31,090 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 01:39:31,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 01:39:31,090 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 01:39:31,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 01:39:31,091 INFO L82 PathProgramCache]: Analyzing trace with hash -113429092, now seen corresponding path program 1 times [2020-10-14 01:39:31,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 01:39:31,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1908789935] [2020-10-14 01:39:31,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 01:39:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:39:31,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:32,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:35,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:36,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:39:36,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1034 [2020-10-14 01:39:36,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 01:39:36,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5192 [2020-10-14 01:39:36,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:39:36,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:39:36,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 01:39:36,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 01:39:36,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-14 01:39:36,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:39:37,201 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 01:39:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 01:39:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:39:37,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:37,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:39:37,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 01:39:37,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:39:37,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 01:39:37,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:39:37,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:39:37,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 01:39:37,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 01:39:37,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 01:39:37,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:39:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 01:39:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:39:37,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:37,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:39:37,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 01:39:37,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:39:37,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 01:39:37,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:39:37,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:39:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 01:39:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 01:39:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 01:39:37,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:39:37,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 01:39:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:39:37,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:37,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:39:37,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 01:39:37,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:39:37,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 01:39:37,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:39:37,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:39:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 01:39:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 01:39:37,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 01:39:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:39:38,386 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 01:39:38,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1908789935] [2020-10-14 01:39:38,387 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 01:39:38,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 01:39:38,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507235600] [2020-10-14 01:39:38,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 01:39:38,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 01:39:38,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 01:39:38,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 01:39:38,390 INFO L87 Difference]: Start difference. First operand 5661 states and 8631 transitions. Second operand 7 states. [2020-10-14 01:39:38,551 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 01:39:56,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 01:39:56,443 INFO L93 Difference]: Finished difference Result 17067 states and 26401 transitions. [2020-10-14 01:39:56,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 01:39:56,444 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1014 [2020-10-14 01:39:56,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 01:39:56,509 INFO L225 Difference]: With dead ends: 17067 [2020-10-14 01:39:56,509 INFO L226 Difference]: Without dead ends: 11412 [2020-10-14 01:39:56,526 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 01:39:56,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11412 states. [2020-10-14 01:39:56,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11412 to 11357. [2020-10-14 01:39:56,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11357 states. [2020-10-14 01:39:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11357 states to 11357 states and 17608 transitions. [2020-10-14 01:39:56,868 INFO L78 Accepts]: Start accepts. Automaton has 11357 states and 17608 transitions. Word has length 1014 [2020-10-14 01:39:56,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 01:39:56,869 INFO L479 AbstractCegarLoop]: Abstraction has 11357 states and 17608 transitions. [2020-10-14 01:39:56,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 01:39:56,869 INFO L276 IsEmpty]: Start isEmpty. Operand 11357 states and 17608 transitions. [2020-10-14 01:39:56,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2020-10-14 01:39:56,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 01:39:56,916 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 01:39:56,917 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 01:39:56,917 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 01:39:56,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 01:39:56,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1413120358, now seen corresponding path program 1 times [2020-10-14 01:39:56,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 01:39:56,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031754508] [2020-10-14 01:39:56,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 01:39:57,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:39:57,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:39:57,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:40:02,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:40:02,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1034 [2020-10-14 01:40:02,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 01:40:02,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5183 [2020-10-14 01:40:02,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:40:02,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:40:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 01:40:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-14 01:40:02,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 01:40:02,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:40:02,573 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 01:40:02,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 01:40:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:40:02,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:40:02,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:40:02,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 01:40:02,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:40:02,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 01:40:02,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:40:02,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:40:02,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 01:40:02,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 01:40:02,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 01:40:02,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:40:02,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 01:40:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:40:02,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:40:02,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:40:02,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-14 01:40:02,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:40:02,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-14 01:40:02,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:40:02,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:40:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 01:40:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 01:40:02,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 01:40:02,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:40:02,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 01:40:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:40:02,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:40:02,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:40:02,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 01:40:02,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:40:02,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 01:40:02,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:40:02,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:40:02,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 01:40:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 01:40:02,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 01:40:02,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 01:40:03,660 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 01:40:03,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031754508] [2020-10-14 01:40:03,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 01:40:03,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 01:40:03,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285766265] [2020-10-14 01:40:03,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 01:40:03,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 01:40:03,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 01:40:03,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 01:40:03,663 INFO L87 Difference]: Start difference. First operand 11357 states and 17608 transitions. Second operand 7 states. [2020-10-14 01:40:03,866 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 01:40:04,093 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 01:40:33,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 01:40:33,092 INFO L93 Difference]: Finished difference Result 45292 states and 75491 transitions. [2020-10-14 01:40:33,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 01:40:33,093 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1014 [2020-10-14 01:40:33,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 01:40:33,254 INFO L225 Difference]: With dead ends: 45292 [2020-10-14 01:40:33,254 INFO L226 Difference]: Without dead ends: 33941 [2020-10-14 01:40:33,298 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 01:40:33,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33941 states. [2020-10-14 01:40:34,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33941 to 33851. [2020-10-14 01:40:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33851 states. [2020-10-14 01:40:34,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33851 states to 33851 states and 52537 transitions. [2020-10-14 01:40:34,273 INFO L78 Accepts]: Start accepts. Automaton has 33851 states and 52537 transitions. Word has length 1014 [2020-10-14 01:40:34,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 01:40:34,273 INFO L479 AbstractCegarLoop]: Abstraction has 33851 states and 52537 transitions. [2020-10-14 01:40:34,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 01:40:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 33851 states and 52537 transitions. [2020-10-14 01:40:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2020-10-14 01:40:34,404 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 01:40:34,405 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 01:40:34,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 01:40:34,405 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 01:40:34,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 01:40:34,406 INFO L82 PathProgramCache]: Analyzing trace with hash -969780769, now seen corresponding path program 1 times [2020-10-14 01:40:34,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 01:40:34,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17958561] [2020-10-14 01:40:34,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 01:40:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:40:34,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:40:37,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:40:39,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:40:39,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1032 [2020-10-14 01:40:39,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 01:40:39,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5149 [2020-10-14 01:40:39,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:40:39,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:40:39,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 01:40:39,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 01:40:39,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 01:40:39,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 01:40:39,981 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 01:40:39,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 01:40:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:40:39,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:40:40,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:40:40,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 01:40:40,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:40:40,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 01:40:40,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:40:40,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:40:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 01:40:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 01:40:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 01:40:40,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 01:40:40,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 01:40:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:40:40,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:40:40,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:40:40,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 01:40:40,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:40:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 01:40:40,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:40:40,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:40:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 01:40:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 01:40:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-14 01:40:40,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 01:40:40,950 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 01:40:40,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17958561] [2020-10-14 01:40:40,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 01:40:40,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-14 01:40:40,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797190830] [2020-10-14 01:40:40,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 01:40:40,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 01:40:40,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 01:40:40,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 01:40:40,953 INFO L87 Difference]: Start difference. First operand 33851 states and 52537 transitions. Second operand 7 states. [2020-10-14 01:40:41,091 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 01:40:42,221 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 01:40:58,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 01:40:58,284 INFO L93 Difference]: Finished difference Result 104818 states and 220505 transitions. [2020-10-14 01:40:58,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 01:40:58,284 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1014 [2020-10-14 01:40:58,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 01:40:58,899 INFO L225 Difference]: With dead ends: 104818 [2020-10-14 01:40:58,899 INFO L226 Difference]: Without dead ends: 70973 [2020-10-14 01:40:59,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 01:40:59,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70973 states. [2020-10-14 01:41:02,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70973 to 69373. [2020-10-14 01:41:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69373 states. [2020-10-14 01:41:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69373 states to 69373 states and 113492 transitions. [2020-10-14 01:41:02,569 INFO L78 Accepts]: Start accepts. Automaton has 69373 states and 113492 transitions. Word has length 1014 [2020-10-14 01:41:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 01:41:02,569 INFO L479 AbstractCegarLoop]: Abstraction has 69373 states and 113492 transitions. [2020-10-14 01:41:02,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 01:41:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 69373 states and 113492 transitions. [2020-10-14 01:41:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1040 [2020-10-14 01:41:02,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 01:41:02,907 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 01:41:02,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 01:41:02,907 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 01:41:02,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 01:41:02,908 INFO L82 PathProgramCache]: Analyzing trace with hash -549109137, now seen corresponding path program 1 times [2020-10-14 01:41:02,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 01:41:02,908 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410220744] [2020-10-14 01:41:02,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 01:41:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:41:03,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:41:03,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:41:08,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:41:08,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1057 [2020-10-14 01:41:08,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 01:41:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 01:41:08,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:41:08,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:41:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 01:41:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 01:41:08,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-14 01:41:08,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 01:41:08,328 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 01:41:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 01:41:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:41:08,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:41:08,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:41:08,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 01:41:08,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:41:08,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 01:41:08,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:41:08,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:41:08,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 01:41:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 01:41:08,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 01:41:08,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 01:41:08,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 01:41:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:41:08,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:41:08,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:41:08,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-14 01:41:08,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:41:08,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 01:41:08,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:41:08,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:41:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 01:41:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 01:41:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-14 01:41:08,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 01:41:09,042 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 01:41:09,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410220744] [2020-10-14 01:41:09,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 01:41:09,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 01:41:09,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651593145] [2020-10-14 01:41:09,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 01:41:09,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 01:41:09,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 01:41:09,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 01:41:09,046 INFO L87 Difference]: Start difference. First operand 69373 states and 113492 transitions. Second operand 8 states. [2020-10-14 01:41:09,190 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-14 01:41:10,202 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-14 01:41:38,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 01:41:38,001 INFO L93 Difference]: Finished difference Result 277233 states and 476575 transitions. [2020-10-14 01:41:38,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 01:41:38,002 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1039 [2020-10-14 01:41:38,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 01:41:38,889 INFO L225 Difference]: With dead ends: 277233 [2020-10-14 01:41:38,889 INFO L226 Difference]: Without dead ends: 207866 [2020-10-14 01:41:39,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-14 01:41:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207866 states. [2020-10-14 01:41:47,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207866 to 207508. [2020-10-14 01:41:47,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207508 states. [2020-10-14 01:41:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207508 states to 207508 states and 360639 transitions. [2020-10-14 01:41:48,055 INFO L78 Accepts]: Start accepts. Automaton has 207508 states and 360639 transitions. Word has length 1039 [2020-10-14 01:41:48,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 01:41:48,056 INFO L479 AbstractCegarLoop]: Abstraction has 207508 states and 360639 transitions. [2020-10-14 01:41:48,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 01:41:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 207508 states and 360639 transitions. [2020-10-14 01:41:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1042 [2020-10-14 01:41:48,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 01:41:48,849 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 01:41:48,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 01:41:48,849 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 01:41:48,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 01:41:48,850 INFO L82 PathProgramCache]: Analyzing trace with hash 861085272, now seen corresponding path program 1 times [2020-10-14 01:41:48,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 01:41:48,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529975486] [2020-10-14 01:41:48,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 01:41:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:41:49,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:41:49,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:41:54,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:41:54,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1061 [2020-10-14 01:41:54,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 01:41:54,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5514 [2020-10-14 01:41:54,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:41:54,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:41:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 01:41:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-14 01:41:54,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-14 01:41:54,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 01:41:54,964 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-14 01:41:54,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 01:41:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:41:54,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:41:54,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:41:54,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 01:41:54,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:41:54,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 01:41:54,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:41:54,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:41:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 01:41:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 01:41:54,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 01:41:54,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 01:41:55,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 01:41:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:41:55,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:41:55,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:41:55,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-14 01:41:55,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:41:55,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 01:41:55,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:41:55,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:41:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 01:41:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 01:41:55,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 01:41:55,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 01:41:55,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 01:41:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 01:41:55,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 01:41:55,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 01:41:55,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-14 01:41:55,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 01:41:55,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 01:41:55,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 01:41:55,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 01:41:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 01:41:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 01:41:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-14 01:41:55,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2