/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=NARROWEST --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_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 07:02:55,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 07:02:55,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 07:02:55,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 07:02:55,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 07:02:55,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 07:02:55,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 07:02:55,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 07:02:55,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 07:02:55,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 07:02:55,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 07:02:55,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 07:02:55,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 07:02:55,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 07:02:55,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 07:02:55,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 07:02:55,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 07:02:55,475 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 07:02:55,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 07:02:55,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 07:02:55,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 07:02:55,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 07:02:55,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 07:02:55,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 07:02:55,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 07:02:55,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 07:02:55,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 07:02:55,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 07:02:55,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 07:02:55,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 07:02:55,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 07:02:55,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 07:02:55,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 07:02:55,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 07:02:55,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 07:02:55,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 07:02:55,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 07:02:55,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 07:02:55,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 07:02:55,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 07:02:55,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 07:02:55,511 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 [2020-10-13 07:02:55,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 07:02:55,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 07:02:55,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 07:02:55,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 07:02:55,565 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 07:02:55,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 07:02:55,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 07:02:55,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 07:02:55,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 07:02:55,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 07:02:55,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 07:02:55,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 07:02:55,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 07:02:55,568 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 07:02:55,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 07:02:55,569 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 07:02:55,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 07:02:55,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 07:02:55,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 07:02:55,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 07:02:55,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 07:02:55,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 07:02:55,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 07:02:55,574 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 07:02:55,574 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 07:02:55,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 07:02:55,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 07:02:55,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 07:02:55,575 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 07:02:55,575 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 07:02:55,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 07:02:55,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 07:02:55,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 07:02:55,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 07:02:55,887 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 07:02:55,888 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem06_label14.c [2020-10-13 07:02:55,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f060ff3d4/58908b290a0c44378f21606fdaffe65c/FLAG9c78df0a6 [2020-10-13 07:02:56,752 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 07:02:56,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem06_label14.c [2020-10-13 07:02:56,796 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f060ff3d4/58908b290a0c44378f21606fdaffe65c/FLAG9c78df0a6 [2020-10-13 07:02:57,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f060ff3d4/58908b290a0c44378f21606fdaffe65c [2020-10-13 07:02:57,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 07:02:57,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 07:02:57,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 07:02:57,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 07:02:57,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 07:02:57,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:57" (1/1) ... [2020-10-13 07:02:57,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43fb007c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:57, skipping insertion in model container [2020-10-13 07:02:57,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:57" (1/1) ... [2020-10-13 07:02:57,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 07:02:57,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 07:03:00,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 07:03:00,278 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 07:03:01,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 07:03:01,468 INFO L208 MainTranslator]: Completed translation [2020-10-13 07:03:01,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01 WrapperNode [2020-10-13 07:03:01,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 07:03:01,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 07:03:01,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 07:03:01,470 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 07:03:01,484 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01" (1/1) ... [2020-10-13 07:03:01,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01" (1/1) ... [2020-10-13 07:03:01,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01" (1/1) ... [2020-10-13 07:03:01,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01" (1/1) ... [2020-10-13 07:03:01,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01" (1/1) ... [2020-10-13 07:03:01,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01" (1/1) ... [2020-10-13 07:03:01,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01" (1/1) ... [2020-10-13 07:03:01,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 07:03:01,843 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 07:03:01,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 07:03:01,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 07:03:01,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01" (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 [2020-10-13 07:03:01,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 07:03:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 07:03:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-13 07:03:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2020-10-13 07:03:01,920 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2020-10-13 07:03:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2020-10-13 07:03:01,921 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2020-10-13 07:03:01,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 07:03:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-13 07:03:02,013 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2020-10-13 07:03:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2020-10-13 07:03:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2020-10-13 07:03:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2020-10-13 07:03:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 07:03:02,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 07:03:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-13 07:03:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 07:03:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 07:03:02,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 07:03:08,565 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 07:03:08,566 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 07:03:08,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:03:08 BoogieIcfgContainer [2020-10-13 07:03:08,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 07:03:08,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 07:03:08,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 07:03:08,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 07:03:08,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:02:57" (1/3) ... [2020-10-13 07:03:08,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d83b45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:03:08, skipping insertion in model container [2020-10-13 07:03:08,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:03:01" (2/3) ... [2020-10-13 07:03:08,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d83b45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:03:08, skipping insertion in model container [2020-10-13 07:03:08,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:03:08" (3/3) ... [2020-10-13 07:03:08,595 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem06_label14.c [2020-10-13 07:03:08,607 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 07:03:08,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 07:03:08,694 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 07:03:08,731 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 07:03:08,731 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 07:03:08,731 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 07:03:08,731 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 07:03:08,731 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 07:03:08,732 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 07:03:08,732 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 07:03:08,732 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 07:03:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states. [2020-10-13 07:03:08,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2020-10-13 07:03:08,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 07:03:08,857 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] [2020-10-13 07:03:08,858 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 07:03:08,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 07:03:08,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1189898825, now seen corresponding path program 1 times [2020-10-13 07:03:08,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 07:03:08,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731701326] [2020-10-13 07:03:08,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 07:03:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:03:10,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:03:12,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:03:14,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:03:14,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1000 [2020-10-13 07:03:14,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 07:03:14,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-13 07:03:14,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:03:14,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-13 07:03:14,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 07:03:14,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 769 [2020-10-13 07:03:14,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 07:03:19,214 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-13 07:03:19,484 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-10-13 07:03:19,697 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-13 07:03:19,886 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-13 07:03:20,104 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 67 [2020-10-13 07:03:20,293 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2020-10-13 07:03:20,491 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2020-10-13 07:03:20,685 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 63 [2020-10-13 07:03:20,858 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2020-10-13 07:03:21,076 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2020-10-13 07:03:21,335 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2020-10-13 07:03:21,515 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 55 [2020-10-13 07:03:21,929 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 07:03:21,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 07:03:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:03:21,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:03:21,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:03:21,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 07:03:21,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:03:21,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 07:03:21,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:03:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 07:03:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 07:03:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 07:03:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:03:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 07:03:33,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731701326] [2020-10-13 07:03:33,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 07:03:33,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-13 07:03:33,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436969474] [2020-10-13 07:03:33,083 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 07:03:33,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 07:03:33,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 07:03:33,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2020-10-13 07:03:33,104 INFO L87 Difference]: Start difference. First operand 1315 states. Second operand 19 states. [2020-10-13 07:03:33,615 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-13 07:03:34,563 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 173 [2020-10-13 07:03:35,384 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 173 [2020-10-13 07:03:36,350 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 177 [2020-10-13 07:03:40,709 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 179 [2020-10-13 07:03:44,138 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 177 [2020-10-13 07:03:46,923 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 174 [2020-10-13 07:03:47,828 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 178 [2020-10-13 07:03:49,094 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 180 [2020-10-13 07:04:00,087 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 173 [2020-10-13 07:04:01,046 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 183 [2020-10-13 07:04:04,615 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 179 [2020-10-13 07:04:13,133 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 173 [2020-10-13 07:04:14,118 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 177 [2020-10-13 07:04:16,980 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 173 [2020-10-13 07:04:31,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 07:04:31,024 INFO L93 Difference]: Finished difference Result 3396 states and 6359 transitions. [2020-10-13 07:04:31,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 07:04:31,027 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 984 [2020-10-13 07:04:31,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 07:04:31,080 INFO L225 Difference]: With dead ends: 3396 [2020-10-13 07:04:31,080 INFO L226 Difference]: Without dead ends: 2019 [2020-10-13 07:04:31,095 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=170, Invalid=952, Unknown=0, NotChecked=0, Total=1122 [2020-10-13 07:04:31,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2020-10-13 07:04:31,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 2019. [2020-10-13 07:04:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2019 states. [2020-10-13 07:04:31,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 3053 transitions. [2020-10-13 07:04:31,244 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 3053 transitions. Word has length 984 [2020-10-13 07:04:31,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 07:04:31,246 INFO L479 AbstractCegarLoop]: Abstraction has 2019 states and 3053 transitions. [2020-10-13 07:04:31,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 07:04:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 3053 transitions. [2020-10-13 07:04:31,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1055 [2020-10-13 07:04:31,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 07:04:31,289 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 07:04:31,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 07:04:31,290 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 07:04:31,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 07:04:31,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2100095114, now seen corresponding path program 1 times [2020-10-13 07:04:31,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 07:04:31,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [494297517] [2020-10-13 07:04:31,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 07:04:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:04:32,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:32,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:37,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:04:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1072 [2020-10-13 07:04:37,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 07:04:37,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5159 [2020-10-13 07:04:37,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:04:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 07:04:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 07:04:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-13 07:04:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:04:37,485 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 07:04:37,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 07:04:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:04:37,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:37,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:04:37,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 07:04:37,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:04:37,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 07:04:37,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:04:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 07:04:37,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 07:04:37,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 07:04:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:04:37,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 07:04:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:04:37,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:04:37,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:04:37,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 07:04:37,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:04:37,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-13 07:04:37,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:04:37,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 07:04:37,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 07:04:37,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-13 07:04:37,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:04:38,715 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 07:04:38,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [494297517] [2020-10-13 07:04:38,716 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 07:04:38,716 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 07:04:38,716 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291690243] [2020-10-13 07:04:38,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 07:04:38,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 07:04:38,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 07:04:38,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 07:04:38,721 INFO L87 Difference]: Start difference. First operand 2019 states and 3053 transitions. Second operand 7 states. [2020-10-13 07:04:38,897 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 07:04:40,274 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 07:05:01,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 07:05:01,100 INFO L93 Difference]: Finished difference Result 4503 states and 7546 transitions. [2020-10-13 07:05:01,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 07:05:01,102 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1054 [2020-10-13 07:05:01,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 07:05:01,121 INFO L225 Difference]: With dead ends: 4503 [2020-10-13 07:05:01,121 INFO L226 Difference]: Without dead ends: 3244 [2020-10-13 07:05:01,125 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-13 07:05:01,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3244 states. [2020-10-13 07:05:01,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3244 to 3174. [2020-10-13 07:05:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3174 states. [2020-10-13 07:05:01,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 4690 transitions. [2020-10-13 07:05:01,234 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 4690 transitions. Word has length 1054 [2020-10-13 07:05:01,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 07:05:01,235 INFO L479 AbstractCegarLoop]: Abstraction has 3174 states and 4690 transitions. [2020-10-13 07:05:01,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 07:05:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 4690 transitions. [2020-10-13 07:05:01,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1107 [2020-10-13 07:05:01,255 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 07:05:01,257 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 07:05:01,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 07:05:01,258 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 07:05:01,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 07:05:01,258 INFO L82 PathProgramCache]: Analyzing trace with hash 534770637, now seen corresponding path program 1 times [2020-10-13 07:05:01,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 07:05:01,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857252227] [2020-10-13 07:05:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 07:05:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:05:01,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:05:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:05:06,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:05:06,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1124 [2020-10-13 07:05:06,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 07:05:06,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-10-13 07:05:06,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:05:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 07:05:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 07:05:06,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 552 [2020-10-13 07:05:06,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:05:08,105 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-10-13 07:05:08,280 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-10-13 07:05:08,453 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 73 [2020-10-13 07:05:08,611 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2020-10-13 07:05:09,222 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 07:05:09,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 07:05:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:05:09,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:05:09,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:05:09,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 07:05:09,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:05:09,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 07:05:09,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:05:09,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 07:05:09,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 07:05:09,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 07:05:09,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:05:09,469 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-13 07:05:09,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 07:05:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:05:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:05:09,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:05:09,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 07:05:09,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:05:09,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 466 [2020-10-13 07:05:09,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:05:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 07:05:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 07:05:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-13 07:05:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:05:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 2 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 07:05:19,100 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857252227] [2020-10-13 07:05:19,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 07:05:19,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-13 07:05:19,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611778791] [2020-10-13 07:05:19,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 07:05:19,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 07:05:19,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 07:05:19,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-10-13 07:05:19,103 INFO L87 Difference]: Start difference. First operand 3174 states and 4690 transitions. Second operand 19 states. [2020-10-13 07:05:19,358 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-10-13 07:05:21,496 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2020-10-13 07:05:21,705 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-10-13 07:05:21,973 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 64 [2020-10-13 07:05:22,645 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 168 [2020-10-13 07:05:23,381 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 176 [2020-10-13 07:05:24,619 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 175 [2020-10-13 07:05:27,959 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 174 [2020-10-13 07:05:37,433 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 164 [2020-10-13 07:05:38,176 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 170 [2020-10-13 07:05:39,582 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 169 [2020-10-13 07:05:49,563 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 168 [2020-10-13 07:05:50,715 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 166 [2020-10-13 07:06:16,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 07:06:16,885 INFO L93 Difference]: Finished difference Result 8458 states and 13440 transitions. [2020-10-13 07:06:16,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 07:06:16,887 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1106 [2020-10-13 07:06:16,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 07:06:16,915 INFO L225 Difference]: With dead ends: 8458 [2020-10-13 07:06:16,915 INFO L226 Difference]: Without dead ends: 6044 [2020-10-13 07:06:16,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=222, Invalid=770, Unknown=0, NotChecked=0, Total=992 [2020-10-13 07:06:16,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6044 states. [2020-10-13 07:06:17,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6044 to 5967. [2020-10-13 07:06:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5967 states. [2020-10-13 07:06:17,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5967 states to 5967 states and 8905 transitions. [2020-10-13 07:06:17,069 INFO L78 Accepts]: Start accepts. Automaton has 5967 states and 8905 transitions. Word has length 1106 [2020-10-13 07:06:17,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 07:06:17,070 INFO L479 AbstractCegarLoop]: Abstraction has 5967 states and 8905 transitions. [2020-10-13 07:06:17,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 07:06:17,070 INFO L276 IsEmpty]: Start isEmpty. Operand 5967 states and 8905 transitions. [2020-10-13 07:06:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1132 [2020-10-13 07:06:17,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 07:06:17,123 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 07:06:17,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 07:06:17,124 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_output5Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 07:06:17,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 07:06:17,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1609320698, now seen corresponding path program 1 times [2020-10-13 07:06:17,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 07:06:17,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930462881] [2020-10-13 07:06:17,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 07:06:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:06:17,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:06:18,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:06:22,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:06:22,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1151 [2020-10-13 07:06:22,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 07:06:22,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5278 [2020-10-13 07:06:22,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:06:22,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-13 07:06:22,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 07:06:22,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 891 [2020-10-13 07:06:22,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:06:27,689 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2020-10-13 07:06:27,966 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 63 [2020-10-13 07:06:28,395 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 82 [2020-10-13 07:06:28,704 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-10-13 07:06:29,010 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-10-13 07:06:29,351 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 85 [2020-10-13 07:06:29,876 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 87 [2020-10-13 07:06:30,369 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 79 [2020-10-13 07:06:30,727 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2020-10-13 07:06:31,009 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 73 [2020-10-13 07:06:31,214 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2020-10-13 07:06:31,415 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2020-10-13 07:06:31,576 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2020-10-13 07:06:31,985 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-13 07:06:31,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 07:06:31,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:06:31,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:06:32,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:06:32,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 07:06:32,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:06:32,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 07:06:32,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:06:32,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 07:06:32,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 07:06:32,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 07:06:32,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:06:32,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 07:06:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:06:32,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:06:32,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:06:32,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-13 07:06:32,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:06:32,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-10-13 07:06:32,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:06:32,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 07:06:32,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 07:06:32,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-13 07:06:32,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:06:32,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 07:06:32,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 07:06:32,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 07:06:33,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 07:06:33,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-13 07:06:33,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 07:06:33,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-13 07:06:33,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 07:06:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 07:06:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 07:06:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 07:06:33,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 07:06:33,632 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 93 [2020-10-13 07:06:34,194 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 129