/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 --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 interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:27:36,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:27:36,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:27:36,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:27:36,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:27:36,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:27:36,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:27:36,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:27:36,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:27:36,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:27:36,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:27:36,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:27:36,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:27:36,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:27:36,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:27:36,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:27:36,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:27:36,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:27:36,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:27:36,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:27:36,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:27:36,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:27:36,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:27:36,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:27:36,647 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:27:36,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:27:36,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:27:36,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:27:36,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:27:36,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-09-21 11:27:36,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:27:36,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:27:36,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:27:36,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-21 11:27:36,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:27:36,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:27:36,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:27:36,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:27:36,712 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:27:36,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:27:36,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:27:36,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:27:36,713 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:27:36,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:27:36,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:27:36,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:27:36,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:27:36,715 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:27:36,715 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:27:36,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:27:36,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:27:36,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:27:36,716 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:27:36,716 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:27:36,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:27:36,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:27:36,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:27:36,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:27:36,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:27:36,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:27:36,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:27:36,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:27:36,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:27:36,719 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.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;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:27:37,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:27:37,230 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:27:37,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:27:37,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:27:37,237 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:27:37,238 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-09-21 11:27:37,326 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97126660a/8f6fa29c1f894cb8b5d5948ae1b72bd8/FLAG2dfe05c3b [2020-09-21 11:27:37,944 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:27:37,950 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-09-21 11:27:37,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97126660a/8f6fa29c1f894cb8b5d5948ae1b72bd8/FLAG2dfe05c3b [2020-09-21 11:27:38,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97126660a/8f6fa29c1f894cb8b5d5948ae1b72bd8 [2020-09-21 11:27:38,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:27:38,236 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:27:38,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:27:38,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:27:38,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:27:38,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:27:38" (1/1) ... [2020-09-21 11:27:38,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176ea22d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:38, skipping insertion in model container [2020-09-21 11:27:38,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:27:38" (1/1) ... [2020-09-21 11:27:38,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:27:38,328 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:27:38,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:27:38,783 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:27:39,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:27:39,052 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:27:39,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39 WrapperNode [2020-09-21 11:27:39,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:27:39,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:27:39,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:27:39,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:27:39,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39" (1/1) ... [2020-09-21 11:27:39,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39" (1/1) ... [2020-09-21 11:27:39,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39" (1/1) ... [2020-09-21 11:27:39,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39" (1/1) ... [2020-09-21 11:27:39,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39" (1/1) ... [2020-09-21 11:27:39,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39" (1/1) ... [2020-09-21 11:27:39,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39" (1/1) ... [2020-09-21 11:27:39,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:27:39,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:27:39,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:27:39,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:27:39,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:27:39,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:27:39,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:27:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-21 11:27:39,283 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:27:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-21 11:27:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:27:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:27:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-21 11:27:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:27:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:27:39,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:27:40,535 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:27:40,536 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-21 11:27:40,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:27:40 BoogieIcfgContainer [2020-09-21 11:27:40,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:27:40,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:27:40,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:27:40,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:27:40,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:27:38" (1/3) ... [2020-09-21 11:27:40,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7d1161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:27:40, skipping insertion in model container [2020-09-21 11:27:40,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:27:39" (2/3) ... [2020-09-21 11:27:40,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7d1161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:27:40, skipping insertion in model container [2020-09-21 11:27:40,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:27:40" (3/3) ... [2020-09-21 11:27:40,562 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2020-09-21 11:27:40,576 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:27:40,590 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:27:40,615 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:27:40,659 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:27:40,660 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:27:40,661 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:27:40,661 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:27:40,661 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:27:40,661 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:27:40,662 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:27:40,662 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:27:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-21 11:27:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-21 11:27:40,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:40,718 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:40,718 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:40,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:40,727 INFO L82 PathProgramCache]: Analyzing trace with hash -864026194, now seen corresponding path program 1 times [2020-09-21 11:27:40,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:40,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147451855] [2020-09-21 11:27:40,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:41,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:41,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:41,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:41,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:41,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:27:41,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:41,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-21 11:27:41,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:41,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:27:41,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:41,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:41,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:41,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:41,272 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:41,272 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:41,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:41,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:41,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:27:41,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:41,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:41,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:41,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:27:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:41,341 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [147451855] [2020-09-21 11:27:41,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:41,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:27:41,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567968401] [2020-09-21 11:27:41,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:27:41,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:41,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:27:41,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:27:41,382 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-09-21 11:27:43,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:43,571 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-09-21 11:27:43,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:27:43,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-09-21 11:27:43,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:43,598 INFO L225 Difference]: With dead ends: 730 [2020-09-21 11:27:43,598 INFO L226 Difference]: Without dead ends: 447 [2020-09-21 11:27:43,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:43,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-21 11:27:43,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-09-21 11:27:43,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-09-21 11:27:43,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-09-21 11:27:43,724 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 69 [2020-09-21 11:27:43,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:43,725 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-09-21 11:27:43,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:27:43,726 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-09-21 11:27:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-21 11:27:43,734 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:43,734 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:43,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:27:43,735 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:43,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:43,736 INFO L82 PathProgramCache]: Analyzing trace with hash 2100322626, now seen corresponding path program 1 times [2020-09-21 11:27:43,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:43,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142660967] [2020-09-21 11:27:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:43,919 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:43,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:43,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:43,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:43,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-09-21 11:27:43,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:43,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-21 11:27:43,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:43,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:27:43,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:44,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:44,017 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:44,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:44,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:44,018 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:44,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:44,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:44,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:27:44,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:44,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:44,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:44,129 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:44,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:44,130 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:44,130 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:44,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:27:44,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:44,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:27:44,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-21 11:27:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:44,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142660967] [2020-09-21 11:27:44,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:44,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:27:44,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398867298] [2020-09-21 11:27:44,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:44,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:44,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:44,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:44,263 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-09-21 11:27:46,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:46,408 INFO L93 Difference]: Finished difference Result 1490 states and 2350 transitions. [2020-09-21 11:27:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-21 11:27:46,410 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2020-09-21 11:27:46,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:46,424 INFO L225 Difference]: With dead ends: 1490 [2020-09-21 11:27:46,424 INFO L226 Difference]: Without dead ends: 1055 [2020-09-21 11:27:46,427 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:27:46,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-09-21 11:27:46,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 745. [2020-09-21 11:27:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2020-09-21 11:27:46,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 1066 transitions. [2020-09-21 11:27:46,516 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 1066 transitions. Word has length 151 [2020-09-21 11:27:46,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:46,517 INFO L479 AbstractCegarLoop]: Abstraction has 745 states and 1066 transitions. [2020-09-21 11:27:46,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1066 transitions. [2020-09-21 11:27:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-09-21 11:27:46,531 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:46,531 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:46,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:27:46,532 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:46,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:46,532 INFO L82 PathProgramCache]: Analyzing trace with hash -1954765038, now seen corresponding path program 1 times [2020-09-21 11:27:46,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:46,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026150496] [2020-09-21 11:27:46,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:46,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:46,670 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:46,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:46,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:46,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-21 11:27:46,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:27:46,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 128 [2020-09-21 11:27:46,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:46,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:46,778 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:46,778 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:46,778 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:46,779 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:46,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:46,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:46,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:27:46,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:46,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:46,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:46,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:46,843 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:46,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:46,844 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:46,844 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:46,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-09-21 11:27:46,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:46,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:27:46,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:46,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:46,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:46,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-09-21 11:27:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:46,997 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:27:46,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026150496] [2020-09-21 11:27:46,998 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:27:46,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:27:46,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026666060] [2020-09-21 11:27:47,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:27:47,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:47,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:27:47,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:27:47,003 INFO L87 Difference]: Start difference. First operand 745 states and 1066 transitions. Second operand 8 states. [2020-09-21 11:27:48,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:48,626 INFO L93 Difference]: Finished difference Result 1822 states and 2689 transitions. [2020-09-21 11:27:48,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:48,628 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 191 [2020-09-21 11:27:48,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:48,637 INFO L225 Difference]: With dead ends: 1822 [2020-09-21 11:27:48,637 INFO L226 Difference]: Without dead ends: 1083 [2020-09-21 11:27:48,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:27:48,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2020-09-21 11:27:48,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 1055. [2020-09-21 11:27:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-09-21 11:27:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1377 transitions. [2020-09-21 11:27:48,692 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1377 transitions. Word has length 191 [2020-09-21 11:27:48,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:48,695 INFO L479 AbstractCegarLoop]: Abstraction has 1055 states and 1377 transitions. [2020-09-21 11:27:48,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:27:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1377 transitions. [2020-09-21 11:27:48,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-09-21 11:27:48,701 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:48,702 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-21 11:27:48,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:27:48,706 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:48,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:48,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1296496030, now seen corresponding path program 1 times [2020-09-21 11:27:48,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:48,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987343187] [2020-09-21 11:27:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:48,829 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:48,829 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:48,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:48,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:48,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-21 11:27:48,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:48,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:27:48,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:48,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:48,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:27:48,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-21 11:27:48,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:27:48,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:48,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:48,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:48,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:48,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:48,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:48,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:48,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:48,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:48,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:48,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:48,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:48,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:48,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:48,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:48,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:48,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:48,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-21 11:27:48,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:48,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:27:48,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:48,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:48,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:27:48,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:48,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:27:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:49,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:49,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:49,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:49,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:49,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:27:49,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:49,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 11:27:49,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:49,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:49,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-21 11:27:49,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:27:49,415 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:27:49,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987343187] [2020-09-21 11:27:49,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:49,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:49,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916325006] [2020-09-21 11:27:49,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:49,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:49,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:49,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:49,418 INFO L87 Difference]: Start difference. First operand 1055 states and 1377 transitions. Second operand 7 states. [2020-09-21 11:27:51,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:51,037 INFO L93 Difference]: Finished difference Result 2567 states and 3417 transitions. [2020-09-21 11:27:51,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:51,038 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 237 [2020-09-21 11:27:51,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:51,046 INFO L225 Difference]: With dead ends: 2567 [2020-09-21 11:27:51,046 INFO L226 Difference]: Without dead ends: 1518 [2020-09-21 11:27:51,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:27:51,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2020-09-21 11:27:51,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1061. [2020-09-21 11:27:51,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1061 states. [2020-09-21 11:27:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 1061 states and 1349 transitions. [2020-09-21 11:27:51,086 INFO L78 Accepts]: Start accepts. Automaton has 1061 states and 1349 transitions. Word has length 237 [2020-09-21 11:27:51,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:51,087 INFO L479 AbstractCegarLoop]: Abstraction has 1061 states and 1349 transitions. [2020-09-21 11:27:51,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1349 transitions. [2020-09-21 11:27:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-09-21 11:27:51,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:51,092 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:51,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:27:51,092 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:51,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:51,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1124899605, now seen corresponding path program 1 times [2020-09-21 11:27:51,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:51,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [978770349] [2020-09-21 11:27:51,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:51,195 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:51,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:51,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:51,196 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:51,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-09-21 11:27:51,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-21 11:27:51,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 11:27:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:27:51,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 11:27:51,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:51,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:51,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:51,276 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:51,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:51,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:51,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:51,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:27:51,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:51,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:27:51,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:27:51,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:51,394 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:51,394 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:51,395 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:51,395 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:51,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:27:51,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:51,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-21 11:27:51,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:51,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:51,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:27:51,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:27:51,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:27:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:51,524 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:51,524 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:51,524 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:51,525 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:51,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:27:51,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:51,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:51,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:27:51,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:51,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 124 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-21 11:27:51,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [978770349] [2020-09-21 11:27:51,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:51,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:51,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446822927] [2020-09-21 11:27:51,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:51,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:51,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:51,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:51,598 INFO L87 Difference]: Start difference. First operand 1061 states and 1349 transitions. Second operand 7 states. [2020-09-21 11:27:53,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:53,074 INFO L93 Difference]: Finished difference Result 2289 states and 2904 transitions. [2020-09-21 11:27:53,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 11:27:53,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 238 [2020-09-21 11:27:53,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:53,084 INFO L225 Difference]: With dead ends: 2289 [2020-09-21 11:27:53,084 INFO L226 Difference]: Without dead ends: 1234 [2020-09-21 11:27:53,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:27:53,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2020-09-21 11:27:53,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1206. [2020-09-21 11:27:53,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-09-21 11:27:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1507 transitions. [2020-09-21 11:27:53,189 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1507 transitions. Word has length 238 [2020-09-21 11:27:53,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:53,190 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1507 transitions. [2020-09-21 11:27:53,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1507 transitions. [2020-09-21 11:27:53,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-09-21 11:27:53,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:53,197 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:27:53,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:27:53,198 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:53,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:53,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1587839886, now seen corresponding path program 1 times [2020-09-21 11:27:53,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:53,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072072579] [2020-09-21 11:27:53,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:53,270 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-21 11:27:53,270 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -84 [2020-09-21 11:27:53,270 FATAL L256 erpolLogProxyWrapper]: Difference in width: 84 [2020-09-21 11:27:53,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:53,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 332 [2020-09-21 11:27:53,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:53,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-21 11:27:53,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-09-21 11:27:53,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:27:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:53,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:53,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:53,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:53,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:53,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:53,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:53,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:53,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:53,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:53,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:53,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:53,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:53,390 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:27:53,390 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:53,390 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:53,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:53,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-09-21 11:27:53,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:53,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:27:53,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:53,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:53,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:53,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-21 11:27:53,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:53,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-21 11:27:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:53,465 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:53,465 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:53,465 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:53,466 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:53,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:27:53,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:53,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:27:53,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:53,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:27:53,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:53,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-21 11:27:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:53,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:53,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:27:53,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:53,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 266 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-09-21 11:27:53,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072072579] [2020-09-21 11:27:53,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:53,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:53,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988873702] [2020-09-21 11:27:53,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:53,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:53,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:53,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:53,708 INFO L87 Difference]: Start difference. First operand 1206 states and 1507 transitions. Second operand 7 states. [2020-09-21 11:27:55,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:55,464 INFO L93 Difference]: Finished difference Result 2878 states and 3678 transitions. [2020-09-21 11:27:55,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:55,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 317 [2020-09-21 11:27:55,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:55,479 INFO L225 Difference]: With dead ends: 2878 [2020-09-21 11:27:55,479 INFO L226 Difference]: Without dead ends: 1798 [2020-09-21 11:27:55,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:27:55,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1798 states. [2020-09-21 11:27:55,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1798 to 1206. [2020-09-21 11:27:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-09-21 11:27:55,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1500 transitions. [2020-09-21 11:27:55,519 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1500 transitions. Word has length 317 [2020-09-21 11:27:55,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:55,520 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1500 transitions. [2020-09-21 11:27:55,520 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:55,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1500 transitions. [2020-09-21 11:27:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2020-09-21 11:27:55,527 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:55,528 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, 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, 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] [2020-09-21 11:27:55,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:27:55,528 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:55,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:55,528 INFO L82 PathProgramCache]: Analyzing trace with hash 533109226, now seen corresponding path program 1 times [2020-09-21 11:27:55,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:55,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1762681789] [2020-09-21 11:27:55,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:55,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:27:55,632 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-21 11:27:55,632 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-21 11:27:55,632 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:55,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 368 [2020-09-21 11:27:55,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:55,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-21 11:27:55,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:27:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-21 11:27:55,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:55,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:55,714 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:55,715 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:55,715 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:55,715 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:55,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:55,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:55,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:55,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:55,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:55,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:55,758 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-21 11:27:55,758 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:55,758 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:55,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:55,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:27:55,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:55,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:27:55,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:55,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:27:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:55,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:27:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:55,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:55,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:55,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:55,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:55,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-09-21 11:27:55,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:55,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-09-21 11:27:55,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:55,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:55,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:55,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-09-21 11:27:55,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:55,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-21 11:27:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:55,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:55,972 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:55,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:55,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:55,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:27:55,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:55,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:55,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:27:55,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:55,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:56,169 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 274 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-21 11:27:56,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1762681789] [2020-09-21 11:27:56,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:56,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:56,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063595443] [2020-09-21 11:27:56,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:56,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:56,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:56,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:56,173 INFO L87 Difference]: Start difference. First operand 1206 states and 1500 transitions. Second operand 7 states. [2020-09-21 11:27:57,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:57,824 INFO L93 Difference]: Finished difference Result 2728 states and 3507 transitions. [2020-09-21 11:27:57,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:27:57,825 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 353 [2020-09-21 11:27:57,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:57,833 INFO L225 Difference]: With dead ends: 2728 [2020-09-21 11:27:57,833 INFO L226 Difference]: Without dead ends: 1671 [2020-09-21 11:27:57,836 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:27:57,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2020-09-21 11:27:57,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1657. [2020-09-21 11:27:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1657 states. [2020-09-21 11:27:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 2025 transitions. [2020-09-21 11:27:57,879 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 2025 transitions. Word has length 353 [2020-09-21 11:27:57,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:57,880 INFO L479 AbstractCegarLoop]: Abstraction has 1657 states and 2025 transitions. [2020-09-21 11:27:57,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2025 transitions. [2020-09-21 11:27:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-09-21 11:27:57,888 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:27:57,888 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, 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, 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] [2020-09-21 11:27:57,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:27:57,889 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:27:57,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:27:57,889 INFO L82 PathProgramCache]: Analyzing trace with hash -1505622451, now seen corresponding path program 1 times [2020-09-21 11:27:57,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:27:57,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716057502] [2020-09-21 11:27:57,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:27:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:57,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 6 [2020-09-21 11:27:57,974 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -120 [2020-09-21 11:27:57,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 120 [2020-09-21 11:27:57,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:57,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 369 [2020-09-21 11:27:57,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:57,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-21 11:27:57,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-09-21 11:27:57,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-21 11:27:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:58,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:27:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:58,056 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:58,057 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:58,057 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:58,057 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:58,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:27:58,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:58,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:58,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:58,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:58,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:58,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:58,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:58,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-21 11:27:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:58,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:58,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:58,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:58,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:58,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-09-21 11:27:58,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:58,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:27:58,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:27:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:27:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-21 11:27:58,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:58,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:27:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:58,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:58,208 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:58,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:58,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:58,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 11:27:58,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:58,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:27:58,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:58,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:27:58,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:27:58,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-21 11:27:58,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:58,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-21 11:27:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:27:58,346 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:27:58,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:27:58,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:27:58,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:27:58,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-21 11:27:58,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:27:58,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:27:58,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:27:58,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:27:58,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 11:27:58,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:27:58,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:27:58,450 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 275 proven. 81 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-09-21 11:27:58,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [716057502] [2020-09-21 11:27:58,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:27:58,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-21 11:27:58,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145754432] [2020-09-21 11:27:58,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:27:58,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:27:58,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:27:58,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:27:58,453 INFO L87 Difference]: Start difference. First operand 1657 states and 2025 transitions. Second operand 7 states. [2020-09-21 11:27:59,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:27:59,773 INFO L93 Difference]: Finished difference Result 3473 states and 4312 transitions. [2020-09-21 11:27:59,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:27:59,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 354 [2020-09-21 11:27:59,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:27:59,775 INFO L225 Difference]: With dead ends: 3473 [2020-09-21 11:27:59,775 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:27:59,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:27:59,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:27:59,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:27:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:27:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:27:59,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 354 [2020-09-21 11:27:59,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:27:59,783 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:27:59,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:27:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:27:59,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:27:59,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:27:59,787 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:28:00,546 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 113 [2020-09-21 11:28:00,720 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 113 [2020-09-21 11:28:01,186 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 27 [2020-09-21 11:28:01,576 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 53 [2020-09-21 11:28:01,938 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 53 [2020-09-21 11:28:01,943 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:01,944 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-21 11:28:01,944 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:01,944 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-21 11:28:01,944 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,944 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-21 11:28:01,945 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-21 11:28:01,946 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-21 11:28:01,946 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-21 11:28:01,946 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-21 11:28:01,946 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-21 11:28:01,946 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,946 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,946 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,946 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,946 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-21 11:28:01,947 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,948 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-21 11:28:01,949 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-21 11:28:01,949 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-21 11:28:01,949 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-21 11:28:01,949 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-21 11:28:01,949 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-21 11:28:01,949 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-21 11:28:01,949 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-21 11:28:01,949 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-21 11:28:01,949 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-21 11:28:01,950 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,950 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,950 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,950 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,950 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,950 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-21 11:28:01,950 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-21 11:28:01,950 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-21 11:28:01,951 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-21 11:28:01,951 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-21 11:28:01,951 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-21 11:28:01,951 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-21 11:28:01,951 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-21 11:28:01,951 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-21 11:28:01,951 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-21 11:28:01,951 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-21 11:28:01,952 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-21 11:28:01,952 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-21 11:28:01,952 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,952 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,952 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,952 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,952 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,952 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-21 11:28:01,952 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,953 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-21 11:28:01,954 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-21 11:28:01,955 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-21 11:28:01,955 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-21 11:28:01,955 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,955 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,955 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,955 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,955 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-21 11:28:01,955 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,956 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,956 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-21 11:28:01,956 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-21 11:28:01,956 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-21 11:28:01,956 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-21 11:28:01,956 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-21 11:28:01,956 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-21 11:28:01,957 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:28:01,957 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-21 11:28:01,957 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-21 11:28:01,957 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-21 11:28:01,957 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-21 11:28:01,957 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-21 11:28:01,957 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-21 11:28:01,957 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,957 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,958 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,958 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,958 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,958 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,958 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-21 11:28:01,958 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-21 11:28:01,958 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-21 11:28:01,959 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-21 11:28:01,959 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-21 11:28:01,959 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-21 11:28:01,959 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:28:01,959 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-21 11:28:01,959 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-21 11:28:01,959 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-21 11:28:01,959 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-21 11:28:01,960 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 9))) (.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or (= 7 |old(~a19~0)|) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 |old(~a10~0)|))) (or .cse0 (not (<= |old(~a10~0)| 1))))) [2020-09-21 11:28:01,960 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-21 11:28:01,960 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-21 11:28:01,960 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-21 11:28:01,960 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,960 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,961 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,961 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,961 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,961 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,961 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-21 11:28:01,961 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-21 11:28:01,961 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-21 11:28:01,961 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-21 11:28:01,962 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-21 11:28:01,962 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-21 11:28:01,962 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-21 11:28:01,962 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-21 11:28:01,962 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-21 11:28:01,962 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-21 11:28:01,962 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-21 11:28:01,963 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-21 11:28:01,963 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-21 11:28:01,963 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,963 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,963 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,963 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,963 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,963 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,964 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-21 11:28:01,964 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-21 11:28:01,964 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-21 11:28:01,964 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-21 11:28:01,964 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-21 11:28:01,964 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-21 11:28:01,964 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-21 11:28:01,964 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-21 11:28:01,965 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-21 11:28:01,965 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-21 11:28:01,965 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-21 11:28:01,965 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-21 11:28:01,965 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,965 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,965 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,966 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,966 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,966 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-21 11:28:01,966 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-21 11:28:01,966 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-21 11:28:01,966 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-21 11:28:01,966 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-21 11:28:01,966 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-21 11:28:01,966 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-21 11:28:01,967 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-21 11:28:01,967 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-21 11:28:01,967 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-21 11:28:01,967 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-21 11:28:01,967 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-21 11:28:01,967 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-21 11:28:01,967 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:28:01,968 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-09-21 11:28:01,968 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:28:01,968 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:28:01,968 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|))) [2020-09-21 11:28:01,968 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-21 11:28:01,968 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (or (<= (+ |old(~a1~0)| 13) 0) (= 0 |old(~a10~0)|))) (.cse1 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse0 (<= ~a10~0 1)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a19~0 8) (<= 331498 ~a1~0) (= ~a10~0 1) (= 14 ~a4~0) (= ~a12~0 0)) (and .cse0 .cse1 (not (= 7 ~a19~0))))) [2020-09-21 11:28:01,969 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-21 11:28:01,969 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-21 11:28:01,969 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (or (<= (+ |old(~a1~0)| 13) 0) (= 0 |old(~a10~0)|))) (.cse1 (<= ~a19~0 9))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and .cse0 (<= ~a10~0 1)) (not (<= 9 |old(~a19~0)|)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (and .cse0 (= ~a10~0 2) .cse1) (and (= ~a19~0 8) (<= 331498 ~a1~0) (= ~a10~0 1) (= 14 ~a4~0) (= ~a12~0 0)) (and .cse0 .cse1 (not (= 7 ~a19~0))))) [2020-09-21 11:28:01,969 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-21 11:28:02,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:28:02 BoogieIcfgContainer [2020-09-21 11:28:02,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:28:02,003 INFO L168 Benchmark]: Toolchain (without parser) took 23772.56 ms. Allocated memory was 137.4 MB in the beginning and 620.8 MB in the end (delta: 483.4 MB). Free memory was 98.6 MB in the beginning and 405.7 MB in the end (delta: -307.1 MB). Peak memory consumption was 448.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:02,003 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-21 11:28:02,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.13 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 97.9 MB in the beginning and 168.7 MB in the end (delta: -70.8 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:02,005 INFO L168 Benchmark]: Boogie Preprocessor took 123.84 ms. Allocated memory is still 202.4 MB. Free memory was 168.7 MB in the beginning and 163.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:02,006 INFO L168 Benchmark]: RCFGBuilder took 1368.97 ms. Allocated memory was 202.4 MB in the beginning and 231.7 MB in the end (delta: 29.4 MB). Free memory was 163.6 MB in the beginning and 180.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:02,007 INFO L168 Benchmark]: TraceAbstraction took 21452.14 ms. Allocated memory was 231.7 MB in the beginning and 620.8 MB in the end (delta: 389.0 MB). Free memory was 178.6 MB in the beginning and 405.7 MB in the end (delta: -227.1 MB). Peak memory consumption was 434.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:28:02,011 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 137.4 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 813.13 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 97.9 MB in the beginning and 168.7 MB in the end (delta: -70.8 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.84 ms. Allocated memory is still 202.4 MB. Free memory was 168.7 MB in the beginning and 163.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1368.97 ms. Allocated memory was 202.4 MB in the beginning and 231.7 MB in the end (delta: 29.4 MB). Free memory was 163.6 MB in the beginning and 180.0 MB in the end (delta: -16.4 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21452.14 ms. Allocated memory was 231.7 MB in the beginning and 620.8 MB in the end (delta: 389.0 MB). Free memory was 178.6 MB in the beginning and 405.7 MB in the end (delta: -227.1 MB). Peak memory consumption was 434.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 582]: Loop Invariant Derived loop invariant: ((((((((!(23 <= \old(a1)) || !(\old(a10) <= 0)) || ((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a10 <= 1)) || !(9 <= \old(a19))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(\old(a19) <= 9)) || (((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a10 == 2) && a19 <= 9)) || ((((a19 == 8 && 331498 <= a1) && a10 == 1) && 14 == a4) && a12 == 0)) || (((\old(a1) + 13 <= 0 || 0 == \old(a10)) && a19 <= 9) && !(7 == a19)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 221 SDtfs, 4087 SDslu, 311 SDs, 0 SdLazy, 7787 SolverSat, 1415 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1657occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 1435 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 68 PreInvPairs, 98 NumberOfFragments, 330 HoareAnnotationTreeSize, 68 FomulaSimplifications, 20033 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6363 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1910 NumberOfCodeBlocks, 1910 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1902 ConstructedInterpolants, 0 QuantifiedInterpolants, 1224963 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 1503/1825 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...