/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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/Problem14_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 21:46:36,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 21:46:36,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 21:46:36,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 21:46:36,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 21:46:36,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 21:46:36,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 21:46:36,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 21:46:36,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 21:46:36,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 21:46:36,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 21:46:36,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 21:46:36,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 21:46:36,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 21:46:36,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 21:46:36,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 21:46:36,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 21:46:36,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 21:46:36,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 21:46:36,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 21:46:36,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 21:46:36,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 21:46:36,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 21:46:36,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 21:46:36,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 21:46:36,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 21:46:36,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 21:46:36,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 21:46:36,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 21:46:36,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 21:46:36,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 21:46:36,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 21:46:36,330 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 21:46:36,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 21:46:36,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 21:46:36,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 21:46:36,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 21:46:36,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 21:46:36,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 21:46:36,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 21:46:36,334 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 21:46:36,334 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 21:46:36,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 21:46:36,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 21:46:36,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 21:46:36,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 21:46:36,358 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 21:46:36,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 21:46:36,359 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 21:46:36,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 21:46:36,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 21:46:36,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 21:46:36,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 21:46:36,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 21:46:36,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 21:46:36,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 21:46:36,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 21:46:36,360 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 21:46:36,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 21:46:36,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 21:46:36,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 21:46:36,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 21:46:36,361 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 21:46:36,361 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 21:46:36,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 21:46:36,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 21:46:36,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 21:46:36,362 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 21:46:36,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 21:46:36,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 21:46:36,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 21:46:36,363 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-14 21:46:36,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 21:46:36,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 21:46:36,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 21:46:36,700 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 21:46:36,700 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 21:46:36,701 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-10-14 21:46:36,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6123c4ae3/d6b6f6d95eae46b2ad36d43cc6cfe027/FLAG4866f1af9 [2020-10-14 21:46:37,352 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 21:46:37,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2020-10-14 21:46:37,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6123c4ae3/d6b6f6d95eae46b2ad36d43cc6cfe027/FLAG4866f1af9 [2020-10-14 21:46:37,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6123c4ae3/d6b6f6d95eae46b2ad36d43cc6cfe027 [2020-10-14 21:46:37,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 21:46:37,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 21:46:37,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 21:46:37,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 21:46:37,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 21:46:37,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:46:37" (1/1) ... [2020-10-14 21:46:37,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:37, skipping insertion in model container [2020-10-14 21:46:37,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:46:37" (1/1) ... [2020-10-14 21:46:37,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 21:46:37,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 21:46:38,306 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:46:38,313 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 21:46:38,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 21:46:38,549 INFO L208 MainTranslator]: Completed translation [2020-10-14 21:46:38,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38 WrapperNode [2020-10-14 21:46:38,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 21:46:38,551 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 21:46:38,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 21:46:38,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 21:46:38,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38" (1/1) ... [2020-10-14 21:46:38,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38" (1/1) ... [2020-10-14 21:46:38,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38" (1/1) ... [2020-10-14 21:46:38,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38" (1/1) ... [2020-10-14 21:46:38,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38" (1/1) ... [2020-10-14 21:46:38,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38" (1/1) ... [2020-10-14 21:46:38,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38" (1/1) ... [2020-10-14 21:46:38,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 21:46:38,684 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 21:46:38,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 21:46:38,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 21:46:38,686 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38" (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 21:46:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 21:46:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 21:46:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-14 21:46:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 21:46:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-14 21:46:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 21:46:38,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 21:46:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-14 21:46:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 21:46:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 21:46:38,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 21:46:40,365 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 21:46:40,365 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 21:46:40,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:46:40 BoogieIcfgContainer [2020-10-14 21:46:40,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 21:46:40,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 21:46:40,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 21:46:40,377 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 21:46:40,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:46:37" (1/3) ... [2020-10-14 21:46:40,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a78c1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:46:40, skipping insertion in model container [2020-10-14 21:46:40,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:46:38" (2/3) ... [2020-10-14 21:46:40,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a78c1c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:46:40, skipping insertion in model container [2020-10-14 21:46:40,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:46:40" (3/3) ... [2020-10-14 21:46:40,382 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label36.c [2020-10-14 21:46:40,392 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 21:46:40,401 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 21:46:40,417 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 21:46:40,445 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 21:46:40,445 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 21:46:40,445 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 21:46:40,445 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 21:46:40,446 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 21:46:40,446 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 21:46:40,446 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 21:46:40,446 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 21:46:40,470 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2020-10-14 21:46:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-14 21:46:40,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:40,481 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] [2020-10-14 21:46:40,481 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:40,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:40,488 INFO L82 PathProgramCache]: Analyzing trace with hash 406410443, now seen corresponding path program 1 times [2020-10-14 21:46:40,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:40,497 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660231191] [2020-10-14 21:46:40,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:40,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:41,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:41,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-14 21:46:41,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:41,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 447 [2020-10-14 21:46:41,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:41,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:46:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:46:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-14 21:46:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:46:41,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:41,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:41,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:41,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:41,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:41,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 21:46:41,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:41,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:46:41,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:41,303 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 21:46:41,305 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660231191] [2020-10-14 21:46:41,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:46:41,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-14 21:46:41,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222239032] [2020-10-14 21:46:41,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 21:46:41,315 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:41,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 21:46:41,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-14 21:46:41,332 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2020-10-14 21:46:43,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:43,188 INFO L93 Difference]: Finished difference Result 698 states and 1240 transitions. [2020-10-14 21:46:43,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:46:43,190 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-14 21:46:43,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:43,209 INFO L225 Difference]: With dead ends: 698 [2020-10-14 21:46:43,209 INFO L226 Difference]: Without dead ends: 380 [2020-10-14 21:46:43,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:46:43,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2020-10-14 21:46:43,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 376. [2020-10-14 21:46:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-10-14 21:46:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 552 transitions. [2020-10-14 21:46:43,311 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 552 transitions. Word has length 54 [2020-10-14 21:46:43,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:43,313 INFO L479 AbstractCegarLoop]: Abstraction has 376 states and 552 transitions. [2020-10-14 21:46:43,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 21:46:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 552 transitions. [2020-10-14 21:46:43,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-14 21:46:43,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:43,329 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, 1, 1, 1, 1, 1, 1, 1, 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 21:46:43,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 21:46:43,330 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:43,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:43,330 INFO L82 PathProgramCache]: Analyzing trace with hash -68647627, now seen corresponding path program 1 times [2020-10-14 21:46:43,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:43,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [516776064] [2020-10-14 21:46:43,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:43,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:43,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-14 21:46:44,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:46:44,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1176 [2020-10-14 21:46:44,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:46:44,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:46:44,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-14 21:46:44,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:46:44,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:44,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:46:44,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:46:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:44,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:44,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:44,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:44,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:44,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 21:46:44,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:44,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 21:46:44,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:44,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:44,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:44,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:44,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-14 21:46:44,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-14 21:46:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 21:46:44,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [516776064] [2020-10-14 21:46:44,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 21:46:44,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-14 21:46:44,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429962426] [2020-10-14 21:46:44,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:46:44,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:44,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:46:44,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:46:44,879 INFO L87 Difference]: Start difference. First operand 376 states and 552 transitions. Second operand 8 states. [2020-10-14 21:46:47,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:47,450 INFO L93 Difference]: Finished difference Result 1504 states and 2262 transitions. [2020-10-14 21:46:47,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-14 21:46:47,451 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-10-14 21:46:47,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:47,462 INFO L225 Difference]: With dead ends: 1504 [2020-10-14 21:46:47,463 INFO L226 Difference]: Without dead ends: 1134 [2020-10-14 21:46:47,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:46:47,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2020-10-14 21:46:47,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 1122. [2020-10-14 21:46:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1122 states. [2020-10-14 21:46:47,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 1122 states and 1578 transitions. [2020-10-14 21:46:47,537 INFO L78 Accepts]: Start accepts. Automaton has 1122 states and 1578 transitions. Word has length 123 [2020-10-14 21:46:47,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:47,538 INFO L479 AbstractCegarLoop]: Abstraction has 1122 states and 1578 transitions. [2020-10-14 21:46:47,538 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:46:47,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1578 transitions. [2020-10-14 21:46:47,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-14 21:46:47,543 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:47,543 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:47,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 21:46:47,544 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:47,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:47,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1019764030, now seen corresponding path program 1 times [2020-10-14 21:46:47,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:47,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336501859] [2020-10-14 21:46:47,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:47,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:47,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:47,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:48,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-14 21:46:51,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:51,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4278 [2020-10-14 21:46:51,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:46:51,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:46:51,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-14 21:46:51,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:51,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:51,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:51,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:51,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:51,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:51,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:51,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:51,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:51,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:51,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:46:52,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:52,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:46:52,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:52,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:52,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:46:52,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:52,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 21:46:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:52,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:52,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:52,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-14 21:46:52,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:46:52,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 21:46:52,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:52,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:52,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:52,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:52,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-14 21:46:52,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 114 proven. 47 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-14 21:46:52,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336501859] [2020-10-14 21:46:52,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:52,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:46:52,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77413085] [2020-10-14 21:46:52,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:46:52,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:52,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:46:52,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:46:52,467 INFO L87 Difference]: Start difference. First operand 1122 states and 1578 transitions. Second operand 7 states. [2020-10-14 21:46:54,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:46:54,160 INFO L93 Difference]: Finished difference Result 2820 states and 4094 transitions. [2020-10-14 21:46:54,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-14 21:46:54,162 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 205 [2020-10-14 21:46:54,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:46:54,185 INFO L225 Difference]: With dead ends: 2820 [2020-10-14 21:46:54,185 INFO L226 Difference]: Without dead ends: 1704 [2020-10-14 21:46:54,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:46:54,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2020-10-14 21:46:54,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1504. [2020-10-14 21:46:54,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1504 states. [2020-10-14 21:46:54,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1995 transitions. [2020-10-14 21:46:54,256 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1995 transitions. Word has length 205 [2020-10-14 21:46:54,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:46:54,259 INFO L479 AbstractCegarLoop]: Abstraction has 1504 states and 1995 transitions. [2020-10-14 21:46:54,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:46:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1995 transitions. [2020-10-14 21:46:54,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-14 21:46:54,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:46:54,266 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:46:54,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 21:46:54,268 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:46:54,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:46:54,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1631378298, now seen corresponding path program 1 times [2020-10-14 21:46:54,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:46:54,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [707351678] [2020-10-14 21:46:54,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:46:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:54,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:54,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:54,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:54,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:56,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:59,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:59,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-14 21:46:59,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:46:59,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4981 [2020-10-14 21:46:59,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:59,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:59,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:59,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-14 21:46:59,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:46:59,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:46:59,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:46:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:59,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:59,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:59,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:46:59,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:59,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:46:59,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:59,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:46:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:46:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:59,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:46:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:59,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:59,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:59,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-14 21:46:59,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:59,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 21:46:59,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:59,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:59,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:46:59,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:46:59,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-14 21:46:59,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:46:59,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-14 21:46:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:46:59,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:46:59,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:46:59,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:46:59,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:46:59,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-14 21:46:59,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:46:59,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:46:59,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:46:59,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:46:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:46:59,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:46:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:46:59,735 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [707351678] [2020-10-14 21:46:59,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:46:59,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:46:59,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616702483] [2020-10-14 21:46:59,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:46:59,739 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:46:59,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:46:59,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:46:59,743 INFO L87 Difference]: Start difference. First operand 1504 states and 1995 transitions. Second operand 8 states. [2020-10-14 21:47:01,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:01,815 INFO L93 Difference]: Finished difference Result 3272 states and 4493 transitions. [2020-10-14 21:47:01,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:47:01,816 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 209 [2020-10-14 21:47:01,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:01,830 INFO L225 Difference]: With dead ends: 3272 [2020-10-14 21:47:01,831 INFO L226 Difference]: Without dead ends: 1586 [2020-10-14 21:47:01,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:47:01,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-10-14 21:47:01,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1508. [2020-10-14 21:47:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1508 states. [2020-10-14 21:47:01,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1990 transitions. [2020-10-14 21:47:01,901 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1990 transitions. Word has length 209 [2020-10-14 21:47:01,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:01,902 INFO L479 AbstractCegarLoop]: Abstraction has 1508 states and 1990 transitions. [2020-10-14 21:47:01,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:47:01,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1990 transitions. [2020-10-14 21:47:01,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-10-14 21:47:01,906 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:01,906 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:01,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 21:47:01,906 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:01,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:01,907 INFO L82 PathProgramCache]: Analyzing trace with hash 760149143, now seen corresponding path program 1 times [2020-10-14 21:47:01,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:01,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [664246954] [2020-10-14 21:47:01,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:01,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:02,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:02,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:02,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:06,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:06,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-14 21:47:06,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:47:06,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 21:47:06,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:06,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-14 21:47:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-14 21:47:06,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:07,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:07,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:07,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:07,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 21:47:07,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:07,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:07,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:07,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:07,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:07,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 21:47:07,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:07,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:07,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:07,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-14 21:47:07,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-14 21:47:07,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:07,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-14 21:47:07,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:07,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-14 21:47:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:07,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:07,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:07,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:47:07,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 21:47:07,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:07,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-14 21:47:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:47:07,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [664246954] [2020-10-14 21:47:07,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:07,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:07,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575915062] [2020-10-14 21:47:07,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:07,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:07,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:07,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:07,483 INFO L87 Difference]: Start difference. First operand 1508 states and 1990 transitions. Second operand 7 states. [2020-10-14 21:47:09,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:09,580 INFO L93 Difference]: Finished difference Result 3582 states and 4702 transitions. [2020-10-14 21:47:09,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 21:47:09,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 210 [2020-10-14 21:47:09,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:09,595 INFO L225 Difference]: With dead ends: 3582 [2020-10-14 21:47:09,595 INFO L226 Difference]: Without dead ends: 1886 [2020-10-14 21:47:09,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:47:09,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2020-10-14 21:47:09,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1878. [2020-10-14 21:47:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1878 states. [2020-10-14 21:47:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1878 states and 2120 transitions. [2020-10-14 21:47:09,649 INFO L78 Accepts]: Start accepts. Automaton has 1878 states and 2120 transitions. Word has length 210 [2020-10-14 21:47:09,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:09,649 INFO L479 AbstractCegarLoop]: Abstraction has 1878 states and 2120 transitions. [2020-10-14 21:47:09,649 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2120 transitions. [2020-10-14 21:47:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-10-14 21:47:09,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:09,656 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:47:09,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 21:47:09,656 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:09,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:09,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1441574682, now seen corresponding path program 1 times [2020-10-14 21:47:09,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:09,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567494139] [2020-10-14 21:47:09,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:09,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:09,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:10,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:11,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:14,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 355 [2020-10-14 21:47:14,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:47:14,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 21:47:14,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:14,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-14 21:47:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 21:47:14,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 297 [2020-10-14 21:47:14,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:14,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:14,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:14,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:14,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:14,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:47:14,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:14,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:14,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:14,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 21:47:14,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:14,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:14,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:14,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:14,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:14,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-14 21:47:14,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:14,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-14 21:47:14,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:15,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:15,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:15,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:15,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:15,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:15,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-10-14 21:47:15,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:15,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2020-10-14 21:47:15,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567494139] [2020-10-14 21:47:15,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:15,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-14 21:47:15,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409306480] [2020-10-14 21:47:15,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:15,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:15,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:15,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:15,746 INFO L87 Difference]: Start difference. First operand 1878 states and 2120 transitions. Second operand 7 states. [2020-10-14 21:47:17,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:17,267 INFO L93 Difference]: Finished difference Result 4144 states and 4685 transitions. [2020-10-14 21:47:17,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:47:17,270 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 343 [2020-10-14 21:47:17,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:17,283 INFO L225 Difference]: With dead ends: 4144 [2020-10-14 21:47:17,283 INFO L226 Difference]: Without dead ends: 2272 [2020-10-14 21:47:17,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:47:17,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2020-10-14 21:47:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2252. [2020-10-14 21:47:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2252 states. [2020-10-14 21:47:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2252 states to 2252 states and 2514 transitions. [2020-10-14 21:47:17,346 INFO L78 Accepts]: Start accepts. Automaton has 2252 states and 2514 transitions. Word has length 343 [2020-10-14 21:47:17,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:17,348 INFO L479 AbstractCegarLoop]: Abstraction has 2252 states and 2514 transitions. [2020-10-14 21:47:17,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:17,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 2514 transitions. [2020-10-14 21:47:17,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2020-10-14 21:47:17,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:17,355 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:47:17,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 21:47:17,356 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:17,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:17,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1021842063, now seen corresponding path program 1 times [2020-10-14 21:47:17,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:17,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375499135] [2020-10-14 21:47:17,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:17,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:17,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:17,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:17,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:18,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 378 [2020-10-14 21:47:22,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:47:22,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 21:47:22,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 21:47:22,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:47:22,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:22,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:22,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:22,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:47:22,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 21:47:22,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:22,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:22,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:47:22,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:22,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:47:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:22,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:22,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:22,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:22,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:22,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-10-14 21:47:22,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:22,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:22,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:23,138 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 224 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-14 21:47:23,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375499135] [2020-10-14 21:47:23,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:23,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:23,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508428712] [2020-10-14 21:47:23,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:23,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:23,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:23,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:23,141 INFO L87 Difference]: Start difference. First operand 2252 states and 2514 transitions. Second operand 7 states. [2020-10-14 21:47:24,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:24,810 INFO L93 Difference]: Finished difference Result 4940 states and 5773 transitions. [2020-10-14 21:47:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:47:24,811 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 366 [2020-10-14 21:47:24,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:24,828 INFO L225 Difference]: With dead ends: 4940 [2020-10-14 21:47:24,828 INFO L226 Difference]: Without dead ends: 2876 [2020-10-14 21:47:24,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:47:24,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2876 states. [2020-10-14 21:47:24,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2876 to 2628. [2020-10-14 21:47:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2628 states. [2020-10-14 21:47:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 2950 transitions. [2020-10-14 21:47:24,915 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 2950 transitions. Word has length 366 [2020-10-14 21:47:24,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:24,916 INFO L479 AbstractCegarLoop]: Abstraction has 2628 states and 2950 transitions. [2020-10-14 21:47:24,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 2950 transitions. [2020-10-14 21:47:24,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2020-10-14 21:47:24,929 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:24,930 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:24,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 21:47:24,930 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:24,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:24,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1274457327, now seen corresponding path program 1 times [2020-10-14 21:47:24,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:24,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121489200] [2020-10-14 21:47:24,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:25,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:25,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:25,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:25,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:25,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:30,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:30,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 557 [2020-10-14 21:47:30,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:47:30,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-14 21:47:30,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:30,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 322 [2020-10-14 21:47:30,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:47:30,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:30,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:30,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:30,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:30,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:30,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:30,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:30,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:30,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:30,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:30,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:30,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:30,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:30,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:30,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:47:30,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:30,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:47:30,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:30,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:30,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:30,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:47:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:30,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:30,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:30,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:47:30,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-14 21:47:30,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:30,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:30,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 172 [2020-10-14 21:47:30,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:30,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-14 21:47:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:30,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:30,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:30,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:30,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:30,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-14 21:47:30,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:30,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:30,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:30,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:30,706 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 450 proven. 2 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2020-10-14 21:47:30,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121489200] [2020-10-14 21:47:30,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:30,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:30,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161668469] [2020-10-14 21:47:30,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:30,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:30,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:30,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:30,708 INFO L87 Difference]: Start difference. First operand 2628 states and 2950 transitions. Second operand 7 states. [2020-10-14 21:47:32,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:32,226 INFO L93 Difference]: Finished difference Result 6188 states and 7148 transitions. [2020-10-14 21:47:32,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:47:32,234 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 543 [2020-10-14 21:47:32,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:32,252 INFO L225 Difference]: With dead ends: 6188 [2020-10-14 21:47:32,252 INFO L226 Difference]: Without dead ends: 3932 [2020-10-14 21:47:32,258 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:47:32,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3932 states. [2020-10-14 21:47:32,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3932 to 3560. [2020-10-14 21:47:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3560 states. [2020-10-14 21:47:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4139 transitions. [2020-10-14 21:47:32,362 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4139 transitions. Word has length 543 [2020-10-14 21:47:32,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:32,363 INFO L479 AbstractCegarLoop]: Abstraction has 3560 states and 4139 transitions. [2020-10-14 21:47:32,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:32,363 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4139 transitions. [2020-10-14 21:47:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2020-10-14 21:47:32,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:32,370 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:32,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-14 21:47:32,371 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:32,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:32,371 INFO L82 PathProgramCache]: Analyzing trace with hash -290526630, now seen corresponding path program 1 times [2020-10-14 21:47:32,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:32,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [826234857] [2020-10-14 21:47:32,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:32,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:32,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:32,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:32,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:37,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:37,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 635 [2020-10-14 21:47:37,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:47:37,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-14 21:47:37,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:37,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:37,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:37,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-14 21:47:37,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:37,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:37,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:37,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:37,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:37,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:37,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:37,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:37,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:37,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:37,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:37,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:37,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:37,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-14 21:47:37,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-14 21:47:37,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:37,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:37,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-10-14 21:47:37,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:37,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 21:47:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:37,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:37,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:37,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:47:37,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:37,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-14 21:47:37,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:37,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:37,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:37,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:37,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:47:37,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:37,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-10-14 21:47:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:37,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:37,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:37,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:37,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:37,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:37,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:47:37,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:37,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:37,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2020-10-14 21:47:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:37,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:38,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:38,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:38,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:38,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 21:47:38,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:38,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:47:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:38,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:38,434 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 326 proven. 249 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2020-10-14 21:47:38,435 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [826234857] [2020-10-14 21:47:38,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:38,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:38,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531846292] [2020-10-14 21:47:38,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:38,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:38,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:38,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:38,437 INFO L87 Difference]: Start difference. First operand 3560 states and 4139 transitions. Second operand 7 states. [2020-10-14 21:47:40,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:40,129 INFO L93 Difference]: Finished difference Result 7310 states and 8539 transitions. [2020-10-14 21:47:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:47:40,129 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 619 [2020-10-14 21:47:40,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:40,146 INFO L225 Difference]: With dead ends: 7310 [2020-10-14 21:47:40,146 INFO L226 Difference]: Without dead ends: 3934 [2020-10-14 21:47:40,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:47:40,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3934 states. [2020-10-14 21:47:40,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3934 to 3744. [2020-10-14 21:47:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3744 states. [2020-10-14 21:47:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3744 states to 3744 states and 4305 transitions. [2020-10-14 21:47:40,237 INFO L78 Accepts]: Start accepts. Automaton has 3744 states and 4305 transitions. Word has length 619 [2020-10-14 21:47:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:40,238 INFO L479 AbstractCegarLoop]: Abstraction has 3744 states and 4305 transitions. [2020-10-14 21:47:40,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3744 states and 4305 transitions. [2020-10-14 21:47:40,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 646 [2020-10-14 21:47:40,245 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:40,246 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-14 21:47:40,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-14 21:47:40,246 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:40,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:40,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1256534207, now seen corresponding path program 1 times [2020-10-14 21:47:40,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:40,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468994978] [2020-10-14 21:47:40,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:40,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:40,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:41,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:43,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:43,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 663 [2020-10-14 21:47:43,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:47:43,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2997 [2020-10-14 21:47:43,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:43,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:47:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:47:43,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 198 [2020-10-14 21:47:43,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:43,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:43,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:43,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:43,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:43,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:43,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:47:43,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:43,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:43,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:43,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:43,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:43,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:43,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:43,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:43,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:43,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:43,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:43,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:43,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:43,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:43,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:43,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:43,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:43,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:43,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:43,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:43,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:43,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:43,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:43,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 21:47:43,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:43,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:43,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:47:43,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:43,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:43,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:43,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:43,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:47:43,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:43,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-14 21:47:43,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:43,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:43,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:43,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:43,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-14 21:47:43,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:47:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:43,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:43,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:43,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:43,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:43,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:47:43,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:43,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-14 21:47:43,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:43,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-10-14 21:47:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:43,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:43,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:43,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:43,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:47:43,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:43,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:43,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:43,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:47:43,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:43,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:44,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 613 proven. 191 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-10-14 21:47:44,067 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468994978] [2020-10-14 21:47:44,067 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:44,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:44,068 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482615643] [2020-10-14 21:47:44,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:44,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:44,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:44,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:44,070 INFO L87 Difference]: Start difference. First operand 3744 states and 4305 transitions. Second operand 7 states. [2020-10-14 21:47:45,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:45,539 INFO L93 Difference]: Finished difference Result 8596 states and 9958 transitions. [2020-10-14 21:47:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:47:45,540 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 645 [2020-10-14 21:47:45,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:45,561 INFO L225 Difference]: With dead ends: 8596 [2020-10-14 21:47:45,561 INFO L226 Difference]: Without dead ends: 5224 [2020-10-14 21:47:45,569 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:47:45,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5224 states. [2020-10-14 21:47:45,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5224 to 5038. [2020-10-14 21:47:45,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5038 states. [2020-10-14 21:47:45,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5038 states to 5038 states and 5746 transitions. [2020-10-14 21:47:45,679 INFO L78 Accepts]: Start accepts. Automaton has 5038 states and 5746 transitions. Word has length 645 [2020-10-14 21:47:45,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:45,680 INFO L479 AbstractCegarLoop]: Abstraction has 5038 states and 5746 transitions. [2020-10-14 21:47:45,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:45,680 INFO L276 IsEmpty]: Start isEmpty. Operand 5038 states and 5746 transitions. [2020-10-14 21:47:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2020-10-14 21:47:45,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:45,689 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:47:45,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-14 21:47:45,689 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:45,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:45,690 INFO L82 PathProgramCache]: Analyzing trace with hash -393459465, now seen corresponding path program 1 times [2020-10-14 21:47:45,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:45,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575506892] [2020-10-14 21:47:45,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:45,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:46,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:48,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:50,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:50,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 723 [2020-10-14 21:47:50,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:47:50,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-10-14 21:47:50,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:50,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 231 [2020-10-14 21:47:50,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:50,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:51,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:51,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:51,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:51,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:47:51,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:51,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 21:47:51,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:51,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:51,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:51,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:47:51,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:51,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:51,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:51,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:51,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:51,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 21:47:51,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:51,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-14 21:47:51,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:51,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:51,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:47:51,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:51,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-14 21:47:51,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:51,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:47:51,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:47:51,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-10-14 21:47:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:51,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:47:51,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:51,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:51,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:47:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:51,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-10-14 21:47:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:51,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:51,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:51,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:51,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:51,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-14 21:47:51,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:51,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:51,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:51,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:47:51,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:51,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:52,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 469 proven. 249 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2020-10-14 21:47:52,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575506892] [2020-10-14 21:47:52,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:52,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:52,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214583806] [2020-10-14 21:47:52,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:52,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:52,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:52,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:52,061 INFO L87 Difference]: Start difference. First operand 5038 states and 5746 transitions. Second operand 7 states. [2020-10-14 21:47:53,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:53,376 INFO L93 Difference]: Finished difference Result 9700 states and 11115 transitions. [2020-10-14 21:47:53,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:47:53,378 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 705 [2020-10-14 21:47:53,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:53,407 INFO L225 Difference]: With dead ends: 9700 [2020-10-14 21:47:53,407 INFO L226 Difference]: Without dead ends: 4850 [2020-10-14 21:47:53,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:47:53,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4850 states. [2020-10-14 21:47:53,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4850 to 4848. [2020-10-14 21:47:53,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4848 states. [2020-10-14 21:47:53,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4848 states to 4848 states and 5476 transitions. [2020-10-14 21:47:53,513 INFO L78 Accepts]: Start accepts. Automaton has 4848 states and 5476 transitions. Word has length 705 [2020-10-14 21:47:53,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:53,514 INFO L479 AbstractCegarLoop]: Abstraction has 4848 states and 5476 transitions. [2020-10-14 21:47:53,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:53,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4848 states and 5476 transitions. [2020-10-14 21:47:53,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2020-10-14 21:47:53,523 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:53,524 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:47:53,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-14 21:47:53,524 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:53,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:53,525 INFO L82 PathProgramCache]: Analyzing trace with hash 326490438, now seen corresponding path program 1 times [2020-10-14 21:47:53,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:53,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690941198] [2020-10-14 21:47:53,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:53,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:53,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:55,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:56,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:56,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 746 [2020-10-14 21:47:56,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:47:56,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3053 [2020-10-14 21:47:56,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:56,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:56,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:56,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 511 [2020-10-14 21:47:56,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 182 [2020-10-14 21:47:56,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:56,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:47:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:56,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:56,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:56,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:47:56,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:56,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:47:56,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:56,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:56,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:56,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:56,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:47:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:56,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:56,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:56,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:47:56,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:56,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:47:56,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:56,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:56,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:56,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:56,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:56,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:56,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:47:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:56,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:56,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:56,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:47:56,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:56,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 21:47:56,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:56,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:56,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:56,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:56,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:47:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:56,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:56,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:56,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:47:56,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:56,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:47:56,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:56,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:47:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:56,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:47:56,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:56,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:47:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:56,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:56,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:56,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-14 21:47:56,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:56,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-14 21:47:56,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:56,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:47:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:47:56,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-14 21:47:56,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:57,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-14 21:47:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:57,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:57,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:47:57,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:47:57,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:47:57,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 21:47:57,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:47:57,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:47:57,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:47:57,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:47:57,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:47:57,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:47:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1394 backedges. 733 proven. 2 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2020-10-14 21:47:57,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690941198] [2020-10-14 21:47:57,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:47:57,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:47:57,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434520353] [2020-10-14 21:47:57,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:47:57,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:47:57,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:47:57,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:47:57,417 INFO L87 Difference]: Start difference. First operand 4848 states and 5476 transitions. Second operand 7 states. [2020-10-14 21:47:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:47:58,816 INFO L93 Difference]: Finished difference Result 9694 states and 10971 transitions. [2020-10-14 21:47:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:47:58,817 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 728 [2020-10-14 21:47:58,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:47:58,835 INFO L225 Difference]: With dead ends: 9694 [2020-10-14 21:47:58,836 INFO L226 Difference]: Without dead ends: 5218 [2020-10-14 21:47:58,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:47:58,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5218 states. [2020-10-14 21:47:59,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5218 to 5030. [2020-10-14 21:47:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5030 states. [2020-10-14 21:47:59,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5030 states to 5030 states and 5668 transitions. [2020-10-14 21:47:59,049 INFO L78 Accepts]: Start accepts. Automaton has 5030 states and 5668 transitions. Word has length 728 [2020-10-14 21:47:59,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:47:59,050 INFO L479 AbstractCegarLoop]: Abstraction has 5030 states and 5668 transitions. [2020-10-14 21:47:59,050 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:47:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 5030 states and 5668 transitions. [2020-10-14 21:47:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2020-10-14 21:47:59,062 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:47:59,063 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-14 21:47:59,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-14 21:47:59,064 INFO L427 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:47:59,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:47:59,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1468564054, now seen corresponding path program 2 times [2020-10-14 21:47:59,065 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:47:59,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1459357382] [2020-10-14 21:47:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:47:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:47:59,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:59,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:47:59,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:03,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:04,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:04,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 835 [2020-10-14 21:48:04,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:48:04,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-14 21:48:04,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:04,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 343 [2020-10-14 21:48:04,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:04,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:04,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:04,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:04,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:04,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:04,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:48:04,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:04,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:04,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:04,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:04,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:04,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:04,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:04,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:04,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:04,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:48:04,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:04,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:04,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:04,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:04,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:04,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:04,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:04,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:04,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:04,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:04,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:04,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:48:04,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:04,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:04,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:04,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:04,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:04,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:48:04,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:04,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:48:04,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:04,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-10-14 21:48:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:04,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:04,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:04,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:04,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:04,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-14 21:48:04,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:04,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:04,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:04,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:48:04,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:04,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-14 21:48:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:04,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:04,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:04,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:04,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:04,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:04,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:48:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:04,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:04,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2020-10-14 21:48:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:04,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:04,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:04,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:04,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 21:48:04,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:04,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:48:04,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:04,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1825 backedges. 636 proven. 249 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2020-10-14 21:48:05,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1459357382] [2020-10-14 21:48:05,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:05,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:48:05,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24278692] [2020-10-14 21:48:05,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:48:05,058 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:05,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:48:05,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:48:05,058 INFO L87 Difference]: Start difference. First operand 5030 states and 5668 transitions. Second operand 7 states. [2020-10-14 21:48:06,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:06,428 INFO L93 Difference]: Finished difference Result 10606 states and 11970 transitions. [2020-10-14 21:48:06,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:48:06,430 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 815 [2020-10-14 21:48:06,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:06,447 INFO L225 Difference]: With dead ends: 10606 [2020-10-14 21:48:06,447 INFO L226 Difference]: Without dead ends: 5948 [2020-10-14 21:48:06,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:48:06,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states. [2020-10-14 21:48:06,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5948 to 5580. [2020-10-14 21:48:06,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5580 states. [2020-10-14 21:48:06,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5580 states to 5580 states and 6261 transitions. [2020-10-14 21:48:06,613 INFO L78 Accepts]: Start accepts. Automaton has 5580 states and 6261 transitions. Word has length 815 [2020-10-14 21:48:06,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:06,614 INFO L479 AbstractCegarLoop]: Abstraction has 5580 states and 6261 transitions. [2020-10-14 21:48:06,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:48:06,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5580 states and 6261 transitions. [2020-10-14 21:48:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2020-10-14 21:48:06,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:06,631 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:06,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-14 21:48:06,632 INFO L427 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:06,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:06,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1962007891, now seen corresponding path program 1 times [2020-10-14 21:48:06,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:06,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [223774016] [2020-10-14 21:48:06,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:06,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:07,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:07,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:11,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:11,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 842 [2020-10-14 21:48:11,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:48:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-14 21:48:11,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:11,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 350 [2020-10-14 21:48:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:11,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:11,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:11,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:11,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:11,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:48:11,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:11,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:11,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:11,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:11,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:11,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:11,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:11,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:11,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:11,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:48:11,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:11,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:11,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:11,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:11,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:11,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:11,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:11,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:11,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:11,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:11,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:11,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:11,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:11,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:11,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:11,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:12,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:12,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:12,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:12,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:12,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:48:12,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:12,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:12,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-10-14 21:48:12,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:12,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:12,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:12,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:12,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:12,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:12,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-14 21:48:12,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:12,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:12,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:12,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 178 [2020-10-14 21:48:12,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:12,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-14 21:48:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:12,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:12,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:12,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:12,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:12,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:12,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:12,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-14 21:48:12,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:12,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2020-10-14 21:48:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:12,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:12,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:12,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:12,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-14 21:48:12,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:12,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 177 [2020-10-14 21:48:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1839 backedges. 643 proven. 249 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2020-10-14 21:48:12,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [223774016] [2020-10-14 21:48:12,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:12,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:48:12,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964628673] [2020-10-14 21:48:12,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:48:12,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:12,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:48:12,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:48:12,895 INFO L87 Difference]: Start difference. First operand 5580 states and 6261 transitions. Second operand 7 states. [2020-10-14 21:48:14,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:14,418 INFO L93 Difference]: Finished difference Result 11344 states and 12725 transitions. [2020-10-14 21:48:14,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:48:14,419 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 822 [2020-10-14 21:48:14,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:14,436 INFO L225 Difference]: With dead ends: 11344 [2020-10-14 21:48:14,436 INFO L226 Difference]: Without dead ends: 5586 [2020-10-14 21:48:14,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-14 21:48:14,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5586 states. [2020-10-14 21:48:14,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5586 to 5582. [2020-10-14 21:48:14,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5582 states. [2020-10-14 21:48:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5582 states to 5582 states and 6103 transitions. [2020-10-14 21:48:14,558 INFO L78 Accepts]: Start accepts. Automaton has 5582 states and 6103 transitions. Word has length 822 [2020-10-14 21:48:14,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:14,560 INFO L479 AbstractCegarLoop]: Abstraction has 5582 states and 6103 transitions. [2020-10-14 21:48:14,560 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:48:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 5582 states and 6103 transitions. [2020-10-14 21:48:14,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 904 [2020-10-14 21:48:14,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:14,573 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:14,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-14 21:48:14,574 INFO L427 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:14,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:14,574 INFO L82 PathProgramCache]: Analyzing trace with hash 1733425663, now seen corresponding path program 1 times [2020-10-14 21:48:14,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:14,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [207553161] [2020-10-14 21:48:14,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:14,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:16,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:16,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 925 [2020-10-14 21:48:16,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:16,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1520 [2020-10-14 21:48:16,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:16,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-14 21:48:16,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 21:48:16,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:48:16,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:16,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:16,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:16,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:16,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:16,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:48:16,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:16,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:16,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:16,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:16,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:16,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:16,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:16,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:16,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:16,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:16,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:16,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:48:16,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:16,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:16,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:16,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:16,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:16,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:16,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:16,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:16,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:48:16,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:16,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:16,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:16,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:16,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:16,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:16,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:16,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:16,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:16,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:48:16,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:16,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:16,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:16,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:16,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:16,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:16,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:48:16,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:16,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:48:16,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:16,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:16,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:16,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:16,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:16,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:48:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:16,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:16,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:16,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:16,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:16,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:48:16,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:16,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:16,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:16,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:16,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:48:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:16,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:16,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:16,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:16,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:16,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:48:16,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:16,798 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:16,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:16,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:16,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:48:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:48:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:16,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:16,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:16,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:16,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-14 21:48:16,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:16,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:16,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:48:16,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:17,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2367 backedges. 340 proven. 7 refuted. 0 times theorem prover too weak. 2020 trivial. 0 not checked. [2020-10-14 21:48:17,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [207553161] [2020-10-14 21:48:17,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:17,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:48:17,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262306495] [2020-10-14 21:48:17,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:48:17,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:17,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:48:17,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:48:17,228 INFO L87 Difference]: Start difference. First operand 5582 states and 6103 transitions. Second operand 5 states. [2020-10-14 21:48:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:18,393 INFO L93 Difference]: Finished difference Result 12438 states and 13794 transitions. [2020-10-14 21:48:18,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:48:18,394 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 903 [2020-10-14 21:48:18,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:18,415 INFO L225 Difference]: With dead ends: 12438 [2020-10-14 21:48:18,415 INFO L226 Difference]: Without dead ends: 7046 [2020-10-14 21:48:18,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:48:18,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7046 states. [2020-10-14 21:48:18,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7046 to 6858. [2020-10-14 21:48:18,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6858 states. [2020-10-14 21:48:18,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6858 states to 6858 states and 7608 transitions. [2020-10-14 21:48:18,556 INFO L78 Accepts]: Start accepts. Automaton has 6858 states and 7608 transitions. Word has length 903 [2020-10-14 21:48:18,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:18,558 INFO L479 AbstractCegarLoop]: Abstraction has 6858 states and 7608 transitions. [2020-10-14 21:48:18,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:48:18,559 INFO L276 IsEmpty]: Start isEmpty. Operand 6858 states and 7608 transitions. [2020-10-14 21:48:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 998 [2020-10-14 21:48:18,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:18,579 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:18,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-14 21:48:18,580 INFO L427 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:18,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:18,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1603648274, now seen corresponding path program 1 times [2020-10-14 21:48:18,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:18,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695337173] [2020-10-14 21:48:18,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:19,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:19,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:21,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:23,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:23,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:23,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1021 [2020-10-14 21:48:23,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:48:23,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-14 21:48:23,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:23,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:23,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 21:48:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:48:23,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 278 [2020-10-14 21:48:23,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:24,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:24,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:24,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:24,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:24,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:24,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:48:24,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:24,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:24,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:24,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:24,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:24,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:24,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:24,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:24,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:24,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:24,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:24,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:24,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:24,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:24,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:24,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:24,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:24,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:24,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:24,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:24,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:24,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:24,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:48:24,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:24,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:24,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:24,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:24,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:24,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:24,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:24,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:24,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:24,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:48:24,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:24,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:24,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:24,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:24,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:24,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:24,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:24,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:48:24,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:24,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:24,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:24,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:24,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:24,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:24,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:48:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:24,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:24,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:24,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:24,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:48:24,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:24,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:24,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:24,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:24,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:48:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:24,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:24,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:24,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:24,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:24,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:48:24,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:24,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:24,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:24,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:24,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:48:24,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:24,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:48:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:24,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:24,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:24,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:24,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:24,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-14 21:48:24,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:24,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:48:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:24,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:24,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:48:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:24,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:24,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:24,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:48:24,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:24,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:48:24,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:24,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:24,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:48:24,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3041 backedges. 1582 proven. 6 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2020-10-14 21:48:25,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695337173] [2020-10-14 21:48:25,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:25,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-14 21:48:25,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283689364] [2020-10-14 21:48:25,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 21:48:25,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:25,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 21:48:25,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:48:25,227 INFO L87 Difference]: Start difference. First operand 6858 states and 7608 transitions. Second operand 9 states. [2020-10-14 21:48:27,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:27,735 INFO L93 Difference]: Finished difference Result 15382 states and 17261 transitions. [2020-10-14 21:48:27,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 21:48:27,735 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 997 [2020-10-14 21:48:27,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:27,760 INFO L225 Difference]: With dead ends: 15382 [2020-10-14 21:48:27,760 INFO L226 Difference]: Without dead ends: 8714 [2020-10-14 21:48:27,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-10-14 21:48:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8714 states. [2020-10-14 21:48:27,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8714 to 8522. [2020-10-14 21:48:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8522 states. [2020-10-14 21:48:27,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8522 states to 8522 states and 9595 transitions. [2020-10-14 21:48:27,912 INFO L78 Accepts]: Start accepts. Automaton has 8522 states and 9595 transitions. Word has length 997 [2020-10-14 21:48:27,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:27,913 INFO L479 AbstractCegarLoop]: Abstraction has 8522 states and 9595 transitions. [2020-10-14 21:48:27,913 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 21:48:27,914 INFO L276 IsEmpty]: Start isEmpty. Operand 8522 states and 9595 transitions. [2020-10-14 21:48:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2020-10-14 21:48:27,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:27,934 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:27,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-14 21:48:27,935 INFO L427 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:27,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:27,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2063095416, now seen corresponding path program 1 times [2020-10-14 21:48:27,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:27,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523388718] [2020-10-14 21:48:27,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:28,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:28,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:30,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:31,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:31,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1146 [2020-10-14 21:48:33,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 21:48:33,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-14 21:48:33,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:33,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 956 [2020-10-14 21:48:33,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-14 21:48:33,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:33,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:48:33,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:33,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:33,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:33,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:33,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:33,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:33,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:48:33,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:33,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:48:33,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:33,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:48:33,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:48:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:33,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:48:33,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:48:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:33,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:48:33,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:48:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:33,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:48:33,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:33,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:48:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 21:48:33,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-14 21:48:33,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-14 21:48:33,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:33,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 940 [2020-10-14 21:48:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:33,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:33,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:33,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-14 21:48:33,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:33,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-14 21:48:33,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:33,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:33,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:48:33,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3877 backedges. 1278 proven. 2 refuted. 0 times theorem prover too weak. 2597 trivial. 0 not checked. [2020-10-14 21:48:34,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523388718] [2020-10-14 21:48:34,477 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:34,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:48:34,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233482332] [2020-10-14 21:48:34,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:48:34,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:34,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:48:34,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:48:34,479 INFO L87 Difference]: Start difference. First operand 8522 states and 9595 transitions. Second operand 7 states. [2020-10-14 21:48:35,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:35,988 INFO L93 Difference]: Finished difference Result 17802 states and 20186 transitions. [2020-10-14 21:48:35,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-14 21:48:35,988 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1120 [2020-10-14 21:48:35,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:36,009 INFO L225 Difference]: With dead ends: 17802 [2020-10-14 21:48:36,010 INFO L226 Difference]: Without dead ends: 7808 [2020-10-14 21:48:36,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:48:36,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7808 states. [2020-10-14 21:48:36,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7808 to 7770. [2020-10-14 21:48:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7770 states. [2020-10-14 21:48:36,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7770 states to 7770 states and 8530 transitions. [2020-10-14 21:48:36,146 INFO L78 Accepts]: Start accepts. Automaton has 7770 states and 8530 transitions. Word has length 1120 [2020-10-14 21:48:36,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:36,147 INFO L479 AbstractCegarLoop]: Abstraction has 7770 states and 8530 transitions. [2020-10-14 21:48:36,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:48:36,148 INFO L276 IsEmpty]: Start isEmpty. Operand 7770 states and 8530 transitions. [2020-10-14 21:48:36,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1121 [2020-10-14 21:48:36,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:36,173 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:36,173 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-14 21:48:36,173 INFO L427 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:36,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:36,174 INFO L82 PathProgramCache]: Analyzing trace with hash -641682038, now seen corresponding path program 1 times [2020-10-14 21:48:36,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:36,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676255498] [2020-10-14 21:48:36,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:36,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:37,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:39,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:40,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1146 [2020-10-14 21:48:41,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:48:41,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5061 [2020-10-14 21:48:41,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 871 [2020-10-14 21:48:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-10-14 21:48:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:41,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:48:41,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:41,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:48:41,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:41,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-14 21:48:41,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:48:41,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:41,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:48:41,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:48:41,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:48:41,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:48:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:41,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:48:41,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:48:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:41,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:48:41,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:41,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:41,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:48:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:41,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:41,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:41,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:41,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:41,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-14 21:48:41,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:41,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:41,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-14 21:48:41,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:48:42,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:48:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:42,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:42,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:48:42,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:42,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 21:48:42,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:42,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:42,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:48:42,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:42,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 969 [2020-10-14 21:48:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:42,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:42,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:42,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:48:42,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:42,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:48:42,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:42,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 21:48:42,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:42,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 1172 proven. 104 refuted. 0 times theorem prover too weak. 2684 trivial. 0 not checked. [2020-10-14 21:48:42,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676255498] [2020-10-14 21:48:42,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:42,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:48:42,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001774592] [2020-10-14 21:48:42,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:48:42,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:42,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:48:42,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:48:42,766 INFO L87 Difference]: Start difference. First operand 7770 states and 8530 transitions. Second operand 7 states. [2020-10-14 21:48:44,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:44,229 INFO L93 Difference]: Finished difference Result 15544 states and 17079 transitions. [2020-10-14 21:48:44,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 21:48:44,230 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1120 [2020-10-14 21:48:44,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:44,245 INFO L225 Difference]: With dead ends: 15544 [2020-10-14 21:48:44,245 INFO L226 Difference]: Without dead ends: 7774 [2020-10-14 21:48:44,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-14 21:48:44,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7774 states. [2020-10-14 21:48:44,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7774 to 7772. [2020-10-14 21:48:44,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7772 states. [2020-10-14 21:48:44,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 8368 transitions. [2020-10-14 21:48:44,367 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 8368 transitions. Word has length 1120 [2020-10-14 21:48:44,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:44,368 INFO L479 AbstractCegarLoop]: Abstraction has 7772 states and 8368 transitions. [2020-10-14 21:48:44,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:48:44,368 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 8368 transitions. [2020-10-14 21:48:44,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2020-10-14 21:48:44,395 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:44,395 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:44,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-14 21:48:44,396 INFO L427 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:44,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:44,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1105750137, now seen corresponding path program 1 times [2020-10-14 21:48:44,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:44,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666967778] [2020-10-14 21:48:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:44,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:45,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:45,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:49,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:49,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1266 [2020-10-14 21:48:49,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:48:49,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-14 21:48:49,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:49,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-14 21:48:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 690 [2020-10-14 21:48:49,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 416 [2020-10-14 21:48:49,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:49,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:48:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:49,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:49,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:49,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:48:49,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:48:49,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:49,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:49,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:48:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:49,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:49,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:49,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:48:49,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:49,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:48:49,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:49,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:49,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:49,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:48:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:49,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:50,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:50,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:48:50,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:50,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:48:50,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:50,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:50,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:50,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:50,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:48:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:50,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:50,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:48:50,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:48:50,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:50,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:50,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:48:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:50,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:50,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:50,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:48:50,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:50,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:48:50,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:50,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:50,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:50,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:48:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:50,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:50,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:50,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:48:50,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:50,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 21:48:50,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:50,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:50,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:50,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:50,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:48:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:50,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:50,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:50,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:48:50,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:50,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:48:50,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:50,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:48:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:48:50,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-14 21:48:50,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:48:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:50,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:50,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:50,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:48:50,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-14 21:48:50,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:50,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 21:48:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-14 21:48:50,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:50,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:48:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:50,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:50,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:50,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:48:50,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:50,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-14 21:48:50,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:50,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:50,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:48:50,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:48:50,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:48:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:50,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:50,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:50,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:48:50,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:50,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-14 21:48:50,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:50,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:48:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:48:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:48:50,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:50,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1087 [2020-10-14 21:48:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:50,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:50,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:48:50,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:48:50,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:48:50,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:48:50,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:48:50,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:48:50,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:48:50,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 21:48:50,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:48:50,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:48:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4953 backedges. 2493 proven. 524 refuted. 0 times theorem prover too weak. 1936 trivial. 0 not checked. [2020-10-14 21:48:52,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666967778] [2020-10-14 21:48:52,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:48:52,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 21:48:52,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577615098] [2020-10-14 21:48:52,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 21:48:52,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:48:52,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 21:48:52,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:48:52,110 INFO L87 Difference]: Start difference. First operand 7772 states and 8368 transitions. Second operand 11 states. [2020-10-14 21:48:54,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:48:54,762 INFO L93 Difference]: Finished difference Result 15544 states and 16746 transitions. [2020-10-14 21:48:54,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-14 21:48:54,762 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1238 [2020-10-14 21:48:54,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:48:54,777 INFO L225 Difference]: With dead ends: 15544 [2020-10-14 21:48:54,777 INFO L226 Difference]: Without dead ends: 7962 [2020-10-14 21:48:54,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2020-10-14 21:48:54,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7962 states. [2020-10-14 21:48:54,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7962 to 7772. [2020-10-14 21:48:54,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7772 states. [2020-10-14 21:48:54,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 8368 transitions. [2020-10-14 21:48:54,896 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 8368 transitions. Word has length 1238 [2020-10-14 21:48:54,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:48:54,897 INFO L479 AbstractCegarLoop]: Abstraction has 7772 states and 8368 transitions. [2020-10-14 21:48:54,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 21:48:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 8368 transitions. [2020-10-14 21:48:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1497 [2020-10-14 21:48:54,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:48:54,926 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 21:48:54,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-14 21:48:54,926 INFO L427 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:48:54,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:48:54,927 INFO L82 PathProgramCache]: Analyzing trace with hash -969833331, now seen corresponding path program 1 times [2020-10-14 21:48:54,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:48:54,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573418078] [2020-10-14 21:48:54,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:48:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:48:55,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:55,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:55,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:48:57,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1528 [2020-10-14 21:49:00,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:49:00,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5152 [2020-10-14 21:49:00,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:49:00,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1133 [2020-10-14 21:49:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 235 [2020-10-14 21:49:00,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:00,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:00,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:49:00,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:00,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:00,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:00,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:49:00,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:00,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:00,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:00,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:49:00,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,663 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:00,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:00,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:00,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:00,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:00,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:49:00,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:00,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:00,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:49:00,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:00,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:00,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:49:00,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:00,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:00,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:49:00,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:00,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:00,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:00,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:00,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:49:00,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:00,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:00,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:00,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:00,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:00,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:49:00,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:00,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:00,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:00,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:00,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:00,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:00,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:00,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:01,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:01,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:01,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:01,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-14 21:49:01,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:01,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:01,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-14 21:49:01,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:01,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:01,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:01,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:01,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:01,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:01,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:49:01,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-10-14 21:49:01,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:01,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:01,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:01,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 119 [2020-10-14 21:49:01,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:01,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1233 [2020-10-14 21:49:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:01,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:01,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:01,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-14 21:49:01,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-14 21:49:01,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:01,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-10-14 21:49:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:01,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1345 [2020-10-14 21:49:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:01,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:01,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:01,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:49:01,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:01,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 21:49:01,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:01,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:01,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:01,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 103 [2020-10-14 21:49:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:01,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 7337 backedges. 2507 proven. 208 refuted. 0 times theorem prover too weak. 4622 trivial. 0 not checked. [2020-10-14 21:49:02,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573418078] [2020-10-14 21:49:02,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:02,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-14 21:49:02,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374327673] [2020-10-14 21:49:02,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 21:49:02,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:02,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 21:49:02,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-14 21:49:02,639 INFO L87 Difference]: Start difference. First operand 7772 states and 8368 transitions. Second operand 8 states. [2020-10-14 21:49:04,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:04,823 INFO L93 Difference]: Finished difference Result 15906 states and 17109 transitions. [2020-10-14 21:49:04,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 21:49:04,824 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1496 [2020-10-14 21:49:04,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:04,839 INFO L225 Difference]: With dead ends: 15906 [2020-10-14 21:49:04,839 INFO L226 Difference]: Without dead ends: 8140 [2020-10-14 21:49:04,849 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-10-14 21:49:04,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8140 states. [2020-10-14 21:49:04,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8140 to 7772. [2020-10-14 21:49:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7772 states. [2020-10-14 21:49:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7772 states to 7772 states and 8318 transitions. [2020-10-14 21:49:04,962 INFO L78 Accepts]: Start accepts. Automaton has 7772 states and 8318 transitions. Word has length 1496 [2020-10-14 21:49:04,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:04,963 INFO L479 AbstractCegarLoop]: Abstraction has 7772 states and 8318 transitions. [2020-10-14 21:49:04,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 21:49:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 7772 states and 8318 transitions. [2020-10-14 21:49:04,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1560 [2020-10-14 21:49:04,995 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:04,996 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 8, 7, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:49:04,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-14 21:49:04,997 INFO L427 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:04,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:04,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1438143224, now seen corresponding path program 1 times [2020-10-14 21:49:04,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:04,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1631079375] [2020-10-14 21:49:04,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:05,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:06,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:07,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:09,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1591 [2020-10-14 21:49:10,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:49:10,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5101 [2020-10-14 21:49:10,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1430 [2020-10-14 21:49:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:49:10,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:10,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:49:10,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:10,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:10,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:10,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:49:10,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:10,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:49:10,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:10,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 21:49:10,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,719 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:10,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:49:10,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:10,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:49:10,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:10,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:49:10,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:10,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 21:49:10,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:10,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:10,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:10,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:10,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:49:10,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:10,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:10,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:10,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:10,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:10,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:10,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:10,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:11,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:11,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:49:11,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:11,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:49:11,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:11,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:11,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:11,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:11,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:49:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:11,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:11,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:11,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-14 21:49:11,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:11,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-14 21:49:11,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:11,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:11,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:49:11,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:11,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1408 [2020-10-14 21:49:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:11,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:11,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:11,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 106 [2020-10-14 21:49:11,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:11,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-14 21:49:11,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:11,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:11,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:11,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:11,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-10-14 21:49:11,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:12,292 INFO L134 CoverageAnalysis]: Checked inductivity of 7473 backedges. 1683 proven. 2 refuted. 0 times theorem prover too weak. 5788 trivial. 0 not checked. [2020-10-14 21:49:12,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1631079375] [2020-10-14 21:49:12,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:12,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:49:12,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12441166] [2020-10-14 21:49:12,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:49:12,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:12,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:49:12,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:49:12,295 INFO L87 Difference]: Start difference. First operand 7772 states and 8318 transitions. Second operand 7 states. [2020-10-14 21:49:13,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:13,740 INFO L93 Difference]: Finished difference Result 14422 states and 15378 transitions. [2020-10-14 21:49:13,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 21:49:13,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1559 [2020-10-14 21:49:13,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:13,749 INFO L225 Difference]: With dead ends: 14422 [2020-10-14 21:49:13,749 INFO L226 Difference]: Without dead ends: 4624 [2020-10-14 21:49:13,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 21:49:13,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2020-10-14 21:49:13,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 4618. [2020-10-14 21:49:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4618 states. [2020-10-14 21:49:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4618 states to 4618 states and 4742 transitions. [2020-10-14 21:49:13,815 INFO L78 Accepts]: Start accepts. Automaton has 4618 states and 4742 transitions. Word has length 1559 [2020-10-14 21:49:13,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:13,817 INFO L479 AbstractCegarLoop]: Abstraction has 4618 states and 4742 transitions. [2020-10-14 21:49:13,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:49:13,817 INFO L276 IsEmpty]: Start isEmpty. Operand 4618 states and 4742 transitions. [2020-10-14 21:49:13,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1678 [2020-10-14 21:49:13,847 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:13,848 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:49:13,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-14 21:49:13,849 INFO L427 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:13,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:13,850 INFO L82 PathProgramCache]: Analyzing trace with hash -787481997, now seen corresponding path program 1 times [2020-10-14 21:49:13,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:13,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800682365] [2020-10-14 21:49:13,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:14,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:15,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:15,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:18,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:18,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1711 [2020-10-14 21:49:18,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 21:49:18,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4838 [2020-10-14 21:49:18,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:18,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1561 [2020-10-14 21:49:18,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-14 21:49:18,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:19,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 21:49:19,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:19,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 21:49:19,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:19,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:19,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-14 21:49:19,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:19,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:49:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:19,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:19,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:19,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 21:49:19,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:19,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:49:19,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:19,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:49:19,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:19,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 21:49:19,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:19,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:49:19,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:49:19,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-14 21:49:19,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:49:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:49:19,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:49:19,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:19,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:49:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:19,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:19,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:49:19,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:19,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-14 21:49:19,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:19,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:19,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-14 21:49:19,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:19,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:49:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:19,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:20,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:20,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:49:20,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-14 21:49:20,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:20,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-14 21:49:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8759 backedges. 1727 proven. 2 refuted. 0 times theorem prover too weak. 7030 trivial. 0 not checked. [2020-10-14 21:49:21,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800682365] [2020-10-14 21:49:21,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:21,352 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:49:21,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909044297] [2020-10-14 21:49:21,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:49:21,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:21,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:49:21,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:49:21,354 INFO L87 Difference]: Start difference. First operand 4618 states and 4742 transitions. Second operand 7 states. [2020-10-14 21:49:23,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:23,299 INFO L93 Difference]: Finished difference Result 9602 states and 9894 transitions. [2020-10-14 21:49:23,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:49:23,302 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1677 [2020-10-14 21:49:23,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:23,311 INFO L225 Difference]: With dead ends: 9602 [2020-10-14 21:49:23,311 INFO L226 Difference]: Without dead ends: 5172 [2020-10-14 21:49:23,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:49:23,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5172 states. [2020-10-14 21:49:23,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5172 to 4988. [2020-10-14 21:49:23,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4988 states. [2020-10-14 21:49:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4988 states to 4988 states and 5116 transitions. [2020-10-14 21:49:23,368 INFO L78 Accepts]: Start accepts. Automaton has 4988 states and 5116 transitions. Word has length 1677 [2020-10-14 21:49:23,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:23,369 INFO L479 AbstractCegarLoop]: Abstraction has 4988 states and 5116 transitions. [2020-10-14 21:49:23,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:49:23,370 INFO L276 IsEmpty]: Start isEmpty. Operand 4988 states and 5116 transitions. [2020-10-14 21:49:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1785 [2020-10-14 21:49:23,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:23,402 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 8, 8, 8, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:49:23,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-14 21:49:23,402 INFO L427 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:23,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:23,403 INFO L82 PathProgramCache]: Analyzing trace with hash 42175273, now seen corresponding path program 1 times [2020-10-14 21:49:23,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:23,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101201047] [2020-10-14 21:49:23,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:23,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:24,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:26,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:27,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:28,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:28,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1820 [2020-10-14 21:49:28,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-14 21:49:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5089 [2020-10-14 21:49:28,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:28,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 21:49:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1432 [2020-10-14 21:49:28,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 239 [2020-10-14 21:49:28,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:28,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:28,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:28,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:28,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:28,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:49:28,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:28,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:28,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:28,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:28,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:28,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:28,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:28,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:28,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:28,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 21:49:28,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:28,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:28,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:28,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:28,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:28,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:29,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:49:29,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:29,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:29,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 21:49:29,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:29,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:29,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:29,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 21:49:29,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:29,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:29,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 21:49:29,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:29,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 21:49:29,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:29,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:29,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:29,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 21:49:29,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:29,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:29,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 21:49:29,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:29,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:29,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:29,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-14 21:49:29,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:29,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:29,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:49:29,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 21:49:29,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:29,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:29,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:49:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:49:29,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-14 21:49:29,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:29,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:29,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-10-14 21:49:29,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:29,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:49:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-14 21:49:29,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:49:29,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:29,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-10-14 21:49:29,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1514 [2020-10-14 21:49:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:29,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:29,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:49:29,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 21:49:29,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:29,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 21:49:29,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-14 21:49:29,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:29,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1644 [2020-10-14 21:49:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:30,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:30,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:49:30,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:30,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 21:49:30,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:30,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 92 [2020-10-14 21:49:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:30,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 10109 backedges. 3047 proven. 186 refuted. 0 times theorem prover too weak. 6876 trivial. 0 not checked. [2020-10-14 21:49:31,624 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101201047] [2020-10-14 21:49:31,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:31,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-14 21:49:31,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349878109] [2020-10-14 21:49:31,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-14 21:49:31,626 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:31,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-14 21:49:31,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-14 21:49:31,627 INFO L87 Difference]: Start difference. First operand 4988 states and 5116 transitions. Second operand 7 states. [2020-10-14 21:49:33,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:33,589 INFO L93 Difference]: Finished difference Result 8134 states and 8369 transitions. [2020-10-14 21:49:33,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-14 21:49:33,590 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1784 [2020-10-14 21:49:33,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:33,598 INFO L225 Difference]: With dead ends: 8134 [2020-10-14 21:49:33,598 INFO L226 Difference]: Without dead ends: 4992 [2020-10-14 21:49:33,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-14 21:49:33,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4992 states. [2020-10-14 21:49:33,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 4986. [2020-10-14 21:49:33,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4986 states. [2020-10-14 21:49:33,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4986 states to 4986 states and 5109 transitions. [2020-10-14 21:49:33,667 INFO L78 Accepts]: Start accepts. Automaton has 4986 states and 5109 transitions. Word has length 1784 [2020-10-14 21:49:33,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:33,669 INFO L479 AbstractCegarLoop]: Abstraction has 4986 states and 5109 transitions. [2020-10-14 21:49:33,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-14 21:49:33,669 INFO L276 IsEmpty]: Start isEmpty. Operand 4986 states and 5109 transitions. [2020-10-14 21:49:33,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1977 [2020-10-14 21:49:33,708 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 21:49:33,710 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-14 21:49:33,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-14 21:49:33,710 INFO L427 AbstractCegarLoop]: === Iteration 24 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 21:49:33,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 21:49:33,711 INFO L82 PathProgramCache]: Analyzing trace with hash 990511958, now seen corresponding path program 1 times [2020-10-14 21:49:33,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 21:49:33,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [648115639] [2020-10-14 21:49:33,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 21:49:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:34,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:34,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 2014 [2020-10-14 21:49:39,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 21:49:39,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5279 [2020-10-14 21:49:39,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 21:49:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1960 [2020-10-14 21:49:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-14 21:49:39,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 21:49:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 21:49:39,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 21:49:39,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 21:49:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-14 21:49:39,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:39,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 21:49:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-14 21:49:39,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:39,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-14 21:49:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-14 21:49:39,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 21:49:39,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-10-14 21:49:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-14 21:49:39,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:49:39,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-14 21:49:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-14 21:49:39,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-14 21:49:39,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-14 21:49:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-14 21:49:39,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 21:49:39,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2020-10-14 21:49:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-14 21:49:39,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 21:49:39,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2020-10-14 21:49:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-14 21:49:39,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 21:49:39,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2020-10-14 21:49:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:39,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:39,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-14 21:49:39,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:39,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 21:49:39,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:39,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:39,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:39,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:39,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1115 [2020-10-14 21:49:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:39,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:40,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:40,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-14 21:49:40,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:40,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 21:49:40,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:40,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:40,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:40,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:40,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1297 [2020-10-14 21:49:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:40,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:40,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:40,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-14 21:49:40,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:40,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-14 21:49:40,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:40,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:40,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:40,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1410 [2020-10-14 21:49:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:40,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:40,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-14 21:49:40,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 21:49:40,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:40,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:40,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 21:49:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1537 [2020-10-14 21:49:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:40,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:40,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:40,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-14 21:49:40,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:40,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 21:49:40,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:40,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:40,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:40,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:40,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1706 [2020-10-14 21:49:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:40,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:40,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:40,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-14 21:49:40,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:40,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 21:49:40,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:40,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 21:49:40,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:40,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 21:49:40,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:40,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1836 [2020-10-14 21:49:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 21:49:40,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 21:49:40,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 21:49:40,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-14 21:49:40,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 21:49:40,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-14 21:49:40,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-14 21:49:40,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-14 21:49:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 21:49:40,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 21:49:40,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-14 21:49:40,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 21:49:42,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12040 backedges. 732 proven. 15 refuted. 0 times theorem prover too weak. 11293 trivial. 0 not checked. [2020-10-14 21:49:42,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [648115639] [2020-10-14 21:49:42,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 21:49:42,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-14 21:49:42,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667491253] [2020-10-14 21:49:42,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 21:49:42,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 21:49:42,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 21:49:42,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 21:49:42,364 INFO L87 Difference]: Start difference. First operand 4986 states and 5109 transitions. Second operand 5 states. [2020-10-14 21:49:43,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 21:49:43,314 INFO L93 Difference]: Finished difference Result 5170 states and 5299 transitions. [2020-10-14 21:49:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-14 21:49:43,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1976 [2020-10-14 21:49:43,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 21:49:43,317 INFO L225 Difference]: With dead ends: 5170 [2020-10-14 21:49:43,317 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 21:49:43,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-14 21:49:43,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 21:49:43,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 21:49:43,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 21:49:43,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 21:49:43,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1976 [2020-10-14 21:49:43,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 21:49:43,325 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 21:49:43,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 21:49:43,325 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 21:49:43,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 21:49:43,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-14 21:49:43,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 21:49:44,540 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 191 [2020-10-14 21:49:45,053 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 191 [2020-10-14 21:49:48,305 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 321 DAG size of output: 129 [2020-10-14 21:49:49,565 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 181 DAG size of output: 87 [2020-10-14 21:49:50,797 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 181 DAG size of output: 87 [2020-10-14 21:49:50,801 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:49:50,802 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a24~0 |old(~a24~0)|) (= ~inputC~0 |old(~inputC~0)|) (= ~a21~0 |old(~a21~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputA~0 |old(~inputA~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a15~0 |old(~a15~0)|)) [2020-10-14 21:49:50,802 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:49:50,802 INFO L268 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2020-10-14 21:49:50,802 INFO L268 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2020-10-14 21:49:50,802 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,802 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,802 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,802 INFO L268 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,803 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,804 INFO L268 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2020-10-14 21:49:50,804 INFO L268 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2020-10-14 21:49:50,804 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-10-14 21:49:50,804 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-10-14 21:49:50,804 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-10-14 21:49:50,804 INFO L268 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2020-10-14 21:49:50,804 INFO L268 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2020-10-14 21:49:50,804 INFO L268 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2020-10-14 21:49:50,804 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,805 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,805 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,805 INFO L268 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2020-10-14 21:49:50,805 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 21:49:50,805 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-10-14 21:49:50,805 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-10-14 21:49:50,805 INFO L268 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2020-10-14 21:49:50,805 INFO L268 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2020-10-14 21:49:50,805 INFO L268 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2020-10-14 21:49:50,806 INFO L268 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2020-10-14 21:49:50,807 INFO L268 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2020-10-14 21:49:50,807 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,807 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,807 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,807 INFO L268 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2020-10-14 21:49:50,807 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-10-14 21:49:50,807 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-10-14 21:49:50,807 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-10-14 21:49:50,807 INFO L268 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2020-10-14 21:49:50,808 INFO L268 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2020-10-14 21:49:50,808 INFO L268 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2020-10-14 21:49:50,808 INFO L268 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2020-10-14 21:49:50,808 INFO L268 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2020-10-14 21:49:50,808 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,808 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,808 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,808 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,808 INFO L268 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2020-10-14 21:49:50,809 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-10-14 21:49:50,809 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 21:49:50,809 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-10-14 21:49:50,809 INFO L268 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2020-10-14 21:49:50,809 INFO L268 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2020-10-14 21:49:50,809 INFO L268 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2020-10-14 21:49:50,809 INFO L268 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2020-10-14 21:49:50,809 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,809 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,810 INFO L268 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2020-10-14 21:49:50,811 INFO L268 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2020-10-14 21:49:50,811 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-10-14 21:49:50,811 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-10-14 21:49:50,811 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-10-14 21:49:50,811 INFO L268 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2020-10-14 21:49:50,811 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse10 (= ~a21~0 9)) (.cse30 (<= ~a21~0 7)) (.cse31 (<= 7 ~a21~0)) (.cse24 (= ~a21~0 6)) (.cse25 (= ~a24~0 1)) (.cse28 (= ~a15~0 |old(~a15~0)|)) (.cse8 (= ~a24~0 |old(~a24~0)|)) (.cse20 (= ~a21~0 |old(~a21~0)|)) (.cse9 (= ~a15~0 8)) (.cse11 (= ~a12~0 |old(~a12~0)|))) (let ((.cse4 (not (<= 10 |old(~a21~0)|))) (.cse13 (and .cse8 .cse20 .cse9 .cse11)) (.cse1 (not (<= 8 |old(~a21~0)|))) (.cse3 (not (<= |old(~a21~0)| 8))) (.cse5 (not (<= |old(~a12~0)| 75))) (.cse29 (and .cse24 .cse25 .cse11 .cse28)) (.cse23 (not (<= 95374 |old(~a12~0)|))) (.cse2 (and .cse8 .cse20 .cse11 .cse28)) (.cse12 (not (<= |old(~a12~0)| 73282))) (.cse18 (not (= 5 |old(~a15~0)|))) (.cse27 (not (= 6 |old(~a15~0)|))) (.cse6 (not (= 8 |old(~a15~0)|))) (.cse14 (not (<= 7 |old(~a21~0)|))) (.cse15 (not (<= |old(~a21~0)| 7))) (.cse16 (and .cse30 .cse31 .cse8 .cse9 .cse11)) (.cse0 (not (<= 9 |old(~a15~0)|))) (.cse17 (and .cse8 .cse10 .cse11 .cse28)) (.cse7 (not (= 9 |old(~a21~0)|))) (.cse19 (= 7 ~a15~0)) (.cse22 (not (= |old(~a24~0)| 1))) (.cse26 (not (= 6 |old(~a21~0)|))) (.cse21 (not (= 7 |old(~a15~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse6 .cse7 (and .cse8 .cse9 .cse10 .cse11) .cse5) (or .cse1 .cse12 .cse6 .cse13 .cse3) (or .cse6 (not (<= 0 (+ |old(~a12~0)| 41))) .cse14 .cse15 .cse16 (not (<= |old(~a12~0)| 2))) (or (not (= 10 |old(~a21~0)|)) .cse2 (not (<= 80 |old(~a12~0)|))) (or .cse4 .cse6 .cse13 (not (<= |old(~a12~0)| 76))) (or .cse17 .cse7 .cse18) (or .cse1 (and .cse19 .cse8 .cse20 .cse11) .cse21) (or .cse22 .cse23 .cse6 (and .cse9 .cse24 .cse25 .cse11) .cse26) (or .cse1 .cse27 .cse2 (not (<= |old(~a12~0)| 80)) .cse3) (or (and (= 5 ~a15~0) .cse24 .cse25 .cse11) .cse22 .cse26 .cse18) (or .cse22 (and .cse20 .cse25 .cse11 .cse28) .cse26 (not (<= (+ |old(~a12~0)| 43) 0))) (or .cse27 .cse22 .cse29 .cse12 .cse26) (or .cse27 .cse2 .cse5) (or .cse14 (and .cse19 .cse30 .cse31 .cse8 .cse11) .cse15 .cse21) (or .cse0 (and .cse30 .cse31 .cse8 .cse11 .cse28) .cse14 .cse15) (or .cse0 .cse22 .cse29 .cse23 .cse26) (or .cse2 .cse12 .cse18) (or .cse27 .cse7 .cse17) (or (not (= (+ |old(~a12~0)| 49) 0)) .cse6 .cse14 .cse15 .cse16) (or .cse0 .cse17 .cse7) (or (and .cse19 .cse24 .cse25 .cse11) .cse22 .cse26 .cse21)))) [2020-10-14 21:49:50,811 INFO L268 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2020-10-14 21:49:50,811 INFO L268 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2020-10-14 21:49:50,811 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,811 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-10-14 21:49:50,812 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-10-14 21:49:50,813 INFO L268 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,814 INFO L268 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2020-10-14 21:49:50,815 INFO L268 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-10-14 21:49:50,816 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,817 INFO L268 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2020-10-14 21:49:50,818 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2020-10-14 21:49:50,819 INFO L268 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,820 INFO L268 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,821 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2020-10-14 21:49:50,822 INFO L268 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2020-10-14 21:49:50,822 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-10-14 21:49:50,822 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-10-14 21:49:50,822 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-10-14 21:49:50,822 INFO L268 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2020-10-14 21:49:50,822 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 21:49:50,822 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a15~0 8) (= (+ ~a12~0 49) 0)) [2020-10-14 21:49:50,822 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 21:49:50,822 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 21:49:50,823 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= (+ |old(~a12~0)| 49) 0)) (not (= 8 |old(~a15~0)|)) (not (<= 7 |old(~a21~0)|)) (not (<= |old(~a21~0)| 7)) (and (<= ~a21~0 7) (<= 7 ~a21~0) (= ~a24~0 |old(~a24~0)|) (= ~a15~0 8) (= ~a12~0 |old(~a12~0)|))) [2020-10-14 21:49:50,823 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:49:50,823 INFO L264 CegarLoopResult]: At program point L888(line 888) the Hoare annotation is: (let ((.cse4 (= 5 ~a15~0)) (.cse8 (<= ~a12~0 75)) (.cse13 (<= 10 ~a21~0)) (.cse14 (= 7 ~a15~0)) (.cse3 (<= ~a12~0 73282)) (.cse7 (= ~a15~0 |old(~a15~0)|)) (.cse0 (= ~a21~0 6)) (.cse1 (= ~a24~0 1)) (.cse6 (<= 95374 ~a12~0)) (.cse12 (<= 7 ~a21~0)) (.cse5 (= ~a21~0 9)) (.cse2 (= ~a15~0 6)) (.cse10 (<= 8 ~a21~0)) (.cse9 (<= 9 ~a15~0)) (.cse11 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7) (and .cse8 .cse2) (and .cse4 .cse3) (and .cse9 .cse5) (and (<= (+ ~a12~0 43) 0) .cse0 .cse1) (and .cse4 .cse0 .cse1) (and .cse10 (<= ~a12~0 80) .cse2 .cse11) (and .cse12 (= ~a24~0 |old(~a24~0)|) (= (+ ~a12~0 49) 0) .cse7) (and (<= 0 (+ ~a12~0 41)) .cse12 (<= ~a12~0 2) .cse7) (and .cse8 .cse9 .cse13) (and .cse8 .cse5 .cse7) (and .cse14 .cse0 .cse1) (not (<= |old(~a21~0)| 7)) (and (= ~a15~0 8) .cse13 (<= ~a12~0 76)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse14 .cse12) (and .cse10 .cse3 .cse7 .cse11) (and .cse0 .cse1 .cse9 .cse6) (and .cse12 (<= ~a21~0 7) .cse9) (not (<= 7 |old(~a21~0)|)) (and .cse5 .cse2) (and (= ~a21~0 10) (<= 80 ~a12~0)) (and .cse10 .cse9 .cse11))) [2020-10-14 21:49:50,823 INFO L268 CegarLoopResult]: For program point L888-1(line 888) no Hoare annotation was computed. [2020-10-14 21:49:50,823 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-10-14 21:49:50,824 INFO L264 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse4 (= 5 ~a15~0)) (.cse8 (<= ~a12~0 75)) (.cse13 (<= 10 ~a21~0)) (.cse14 (= 7 ~a15~0)) (.cse3 (<= ~a12~0 73282)) (.cse7 (= ~a15~0 |old(~a15~0)|)) (.cse0 (= ~a21~0 6)) (.cse1 (= ~a24~0 1)) (.cse6 (<= 95374 ~a12~0)) (.cse12 (<= 7 ~a21~0)) (.cse5 (= ~a21~0 9)) (.cse2 (= ~a15~0 6)) (.cse10 (<= 8 ~a21~0)) (.cse9 (<= 9 ~a15~0)) (.cse11 (<= ~a21~0 8))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 8 |old(~a15~0)|)) (and .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse7) (and .cse8 .cse2) (and .cse4 .cse3) (and .cse9 .cse5) (and (<= (+ ~a12~0 43) 0) .cse0 .cse1) (and .cse4 .cse0 .cse1) (and .cse10 (<= ~a12~0 80) .cse2 .cse11) (and .cse12 (= ~a24~0 |old(~a24~0)|) (= (+ ~a12~0 49) 0) .cse7) (and (<= 0 (+ ~a12~0 41)) .cse12 (<= ~a12~0 2) .cse7) (and .cse8 .cse9 .cse13) (and .cse8 .cse5 .cse7) (and .cse14 .cse0 .cse1) (not (<= |old(~a21~0)| 7)) (and (= ~a15~0 8) .cse13 (<= ~a12~0 76)) (not (= (+ |old(~a12~0)| 49) 0)) (and .cse14 .cse12) (and .cse10 .cse3 .cse7 .cse11) (and .cse0 .cse1 .cse9 .cse6) (and .cse12 (<= ~a21~0 7) .cse9) (not (<= 7 |old(~a21~0)|)) (and .cse5 .cse2) (and (= ~a21~0 10) (<= 80 ~a12~0)) (and .cse10 .cse9 .cse11))) [2020-10-14 21:49:50,824 INFO L268 CegarLoopResult]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2020-10-14 21:49:50,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 09:49:50 BoogieIcfgContainer [2020-10-14 21:49:50,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 21:49:50,855 INFO L168 Benchmark]: Toolchain (without parser) took 193233.48 ms. Allocated memory was 146.3 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 99.6 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2020-10-14 21:49:50,856 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 119.6 MB in the beginning and 119.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 21:49:50,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 927.75 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 99.2 MB in the beginning and 167.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-10-14 21:49:50,863 INFO L168 Benchmark]: Boogie Preprocessor took 132.48 ms. Allocated memory is still 205.5 MB. Free memory was 167.7 MB in the beginning and 162.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2020-10-14 21:49:50,864 INFO L168 Benchmark]: RCFGBuilder took 1688.37 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 156.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2020-10-14 21:49:50,864 INFO L168 Benchmark]: TraceAbstraction took 190480.08 ms. Allocated memory was 239.1 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 156.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2020-10-14 21:49:50,867 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 119.6 MB in the beginning and 119.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 927.75 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 99.2 MB in the beginning and 167.7 MB in the end (delta: -68.5 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.48 ms. Allocated memory is still 205.5 MB. Free memory was 167.7 MB in the beginning and 162.5 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1688.37 ms. Allocated memory was 205.5 MB in the beginning and 239.1 MB in the end (delta: 33.6 MB). Free memory was 162.5 MB in the beginning and 156.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 190480.08 ms. Allocated memory was 239.1 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 156.5 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((a21 == 6 && a24 == 1) && a15 == 6) && a12 <= 73282) || !(8 == \old(a15))) || (5 == a15 && a21 == 9)) || (((a21 == 6 && a24 == 1) && 95374 <= a12) && a15 == \old(a15))) || (a12 <= 75 && a15 == 6)) || (5 == a15 && a12 <= 73282)) || (9 <= a15 && a21 == 9)) || ((a12 + 43 <= 0 && a21 == 6) && a24 == 1)) || ((5 == a15 && a21 == 6) && a24 == 1)) || (((8 <= a21 && a12 <= 80) && a15 == 6) && a21 <= 8)) || (((7 <= a21 && a24 == \old(a24)) && a12 + 49 == 0) && a15 == \old(a15))) || (((0 <= a12 + 41 && 7 <= a21) && a12 <= 2) && a15 == \old(a15))) || ((a12 <= 75 && 9 <= a15) && 10 <= a21)) || ((a12 <= 75 && a21 == 9) && a15 == \old(a15))) || ((7 == a15 && a21 == 6) && a24 == 1)) || !(\old(a21) <= 7)) || ((a15 == 8 && 10 <= a21) && a12 <= 76)) || !(\old(a12) + 49 == 0)) || (7 == a15 && 7 <= a21)) || (((8 <= a21 && a12 <= 73282) && a15 == \old(a15)) && a21 <= 8)) || (((a21 == 6 && a24 == 1) && 9 <= a15) && 95374 <= a12)) || ((7 <= a21 && a21 <= 7) && 9 <= a15)) || !(7 <= \old(a21))) || (a21 == 9 && a15 == 6)) || (a21 == 10 && 80 <= a12)) || ((8 <= a21 && 9 <= a15) && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 182.8s, OverallIterations: 24, TraceHistogramMax: 16, AutomataDifference: 42.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 706 SDtfs, 15036 SDslu, 967 SDs, 0 SdLazy, 28028 SolverSat, 2490 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 682 GetRequests, 446 SyntacticMatches, 4 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8522occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 3054 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 576 PreInvPairs, 698 NumberOfFragments, 1193 HoareAnnotationTreeSize, 576 FomulaSimplifications, 263049 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10836 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 122.1s InterpolantComputationTime, 20257 NumberOfCodeBlocks, 20257 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 20233 ConstructedInterpolants, 0 QuantifiedInterpolants, 40916970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 2 PerfectInterpolantSequences, 71558/73860 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...